Finest Cordless Vacuums for Pet Hair (Examined & Ranked for 2026)

🧠 How We Examined?

Each cordless vacuum on this information was examined utilizing the identical repeatable strategies, with a particular deal with how effectively every mannequin handles pet hair in real-world circumstances.

As a substitute of counting on producer claims, I ran managed experiments utilizing completely different hair lengths, floor varieties, and cleansing situations to guage not simply pickup efficiency, but additionally hair wrap, clogging, and ease of upkeep.

All outcomes are based mostly on measured knowledge and hands-on testing—not opinions.

1. Pet Hair Pickup Take a look at on Onerous Ground

To judge pet hair pickup on laborious flooring, I used a number of hair lengths—5, 7, 9, 11, and 12 inches—to replicate how various kinds of pet hair behave throughout cleansing.

Every set of hair strands was evenly unfold throughout the check space, then I ran the vacuum over it utilizing constant passes till no seen hair remained. After every run, I collected the hair from the dustbin and in contrast it to the unique quantity to calculate pickup effectivity.

Onerous flooring current a novel problem for pet hair.

Hair tends to wrap across the axles on fashions with bigger gaps or across the curler/brush roll on vacuums that lack an efficient anti-tangle system.

This check highlights which fashions can choose up hair effectively whereas preserving it transferring into the bin—relatively than letting it wrap across the brush or inner elements.

2. Pet Hair Pickup Take a look at on Carpet (Mid-Pile)

For carpet testing, I used the identical vary of hair lengths—5, 7, 9, 11, and 12 inches—however utilized them to mid-pile carpet to simulate extra reasonable circumstances the place pet hair settles into the floor.

The hair was unfold throughout the check space and frivolously labored into the carpet fibers earlier than operating the vacuum over it utilizing a number of constant passes. After cleansing, I collected the hair from the dustbin and in contrast it to the unique quantity to find out pickup efficiency.

Not like laborious flooring, carpet requires each sturdy airflow and efficient brushroll agitation to raise hair out of the fibers. This check highlights which vacuums can deal with embedded hair and which of them wrestle to transcend surface-level cleansing.

3. Dustbin and Upkeep Analysis

Past pickup efficiency, I evaluated how simple every vacuum is to take care of after pet hair is eliminated.

This contains how effectively the dustbin releases hair when emptied, whether or not hair will get caught contained in the cyclone, and the way typically the brushroll requires guide cleansing.

These components don’t present up in spec sheets, however they’ve a huge impact on long-term usability.

4. Consistency and Repeatability

All exams had been carried out a number of occasions utilizing the identical gear and circumstances to make sure constant outcomes.

The ultimate scores and observations are based mostly on averaged outcomes throughout repeated trials, lowering the impression of outliers and making certain a good comparability between fashions.

🧪 What Issues For Pet Hair?

Cleansing pet hair isn’t nearly airflow.

In testing, I discovered that many cordless vacuums with sturdy airflow (and suction) nonetheless struggled with pet hair—particularly on carpet or with longer strands.

The fashions that carried out greatest mixed a number of components, together with brushroll design, airflow, and the vacuum’s capability to deal with hair after it’s picked up.

Listed here are the important thing components that really decide how effectively a cordless vacuum handles pet hair in real-world use:

1. Anti-Tangle Brushroll Design (Most Necessary)

Brushroll design is the one largest think about successfully cleansing pet hair.

In testing, vacuums with anti-tangle options—reminiscent of combs, fins, or specifically designed rollers—had been far simpler at stopping hair from wrapping across the brush.

This enables the vacuum to take care of constant agitation and pickup efficiency over time.

With out these options, hair tends to wrap tightly across the brush roll, lowering cleansing effectivity and necessitating frequent guide elimination.

For properties with pets that shed longer hair, this shortly turns into one of many largest frustrations.

2. Airflow (Not Simply Suction)

Whereas suction is commonly probably the most marketed metric, airflow performs a important function in how effectively a vacuum handles pet hair.

Airflow is what truly carries hair by way of the cleaner’s head and wand, and into the dustbin.

In testing, fashions with stronger airflow had been extra constant at choosing up hair—particularly on carpet and in conditions the place hair wanted to be transported effectively by way of the system.

3. Brushroll Agitation on Carpet

Pet hair doesn’t simply sit on the floor—it typically embeds itself deep into carpet fibers.

To take away it successfully, a vacuum wants a brush roll that may agitate the carpet sufficient to raise hair from beneath the floor.

In testing, fashions with stronger and better-designed brushrolls constantly outperformed these with weaker agitation, particularly on mid-pile carpet.

This is without doubt one of the key variations between vacuums that clear visibly and people who truly deep clear.

4. Hair Pickup Consistency Throughout Surfaces

Pet hair behaves otherwise relying on the floor.

On laborious flooring, hair can scatter or get pushed round, whereas on carpet it tends to embed within the fibers.

The very best cordless vacuums can deal with each situations successfully with out requiring a number of passes or leaving hair behind.

In testing, consistency throughout surfaces was a robust indicator of total efficiency.

5. Dustbin Design and Hair Administration

What occurs after the vacuum picks up hair is simply as necessary as the way it picks it up.

Some dustbins make it simple for hair to launch throughout emptying, whereas others trigger hair to stay inside or wrap round inner elements. In testing, narrower bins or poorly designed cyclones typically required guide cleansing, which provides friction to the general expertise.

Vacuums with higher bin design make upkeep faster and extra handy—particularly in properties with heavy shedding.

6. Attachments for Upholstery and Pet Areas

Pet hair doesn’t simply keep on flooring—it builds up on furnishings, pet beds, and automobile interiors.

The included attachments could make a giant distinction right here.

Motorized instruments or well-designed handheld attachments are way more efficient at eradicating hair from cloth in comparison with normal nozzles.

In testing, vacuums with sturdy handheld efficiency had been way more versatile for pet homeowners.

7. Runtime and Usability

Pet homeowners typically want longer cleansing periods, particularly in properties with a number of shedding animals.

Quick runtime can restrict a vacuum’s effectiveness, notably if higher-power settings are wanted for carpet cleansing.

Ease of use additionally issues—light-weight designs and good ergonomics make it simpler to wash continuously, which is essential when coping with ongoing shedding.

🏆 Full Evaluations

Under are the top-performing cordless vacuums for pet hair based mostly on all of the exams.

As a substitute of simply rating them from greatest to worst, I’ve damaged down the place every mannequin truly performs effectively—as a result of the best choice is dependent upon your private home, flooring kind, and the type of pet hair you’re coping with.

Every assessment is predicated on actual testing, together with hair pickup throughout a number of lengths, hair wrap resistance, carpet efficiency, and ease of upkeep.

Finest Total for Pet Hair: Dyson Gen5 Detect

Execs

• Excessive airflow helps transfer hair effectively into the dustbin
• Very good pickup on laborious flooring at over 96%
• Excellent hair choose up on carpet
• An eight-plus-minute run time will cowl a number of floor
• Respectable-sized dustbin for a small to medium-sized house

Cons

• Not fully resistant to hair wrap, particularly the laser curler
• Hair can get caught contained in the dustbin
• Heavier than smaller cordless fashions, which may have an effect on above-floor cleansing
• Premium-priced

Finest Light-weight Choice: Shark WandVac Stick

Why does it stand out? The Shark WandVac stick vacuum has the bottom airflow of the group, but it surely delivered the very best ends in the hair wrap exams—reaching 100% pickup throughout all lengths from 5 to 12 inches. Its standout efficiency comes from a novel brush design that mixes fins and bristles, guiding hair towards built-in combs that actively strip it off earlier than it could wrap across the curler. That stated, there are clear trade-offs. The dustbin could be very small and fills up shortly, particularly when coping with pet hair. Extra importantly, it confirmed noticeable leakage within the fog check, which raises issues about filtration, making it a much less preferrred selection for allergy victims.

Execs

• The lightest choice within the group, weighing simply over two kilos (with out the nozzle), making it exceptionally simple to deal with
• Finest-in-class hair pickup, reaching an ideal rating in testing
• Features a self-standing dock that additionally capabilities as a charging station
• Above-average efficiency on floor particles throughout laborious flooring and carpet
• Essentially the most inexpensive choice on this lineup

Cons

• Tiny dustbin
• Leaked badly through the fog check
• Just one energy setting
• Quick run time (solely 12 minutes)

Finest for: budget-conscious

Finest Worth Choice: Shark Vertex Professional IZ682H

Execs

• Massive-capacity dustbin that allows you to clear longer with out frequent emptying
• Premium-level pickup efficiency, even with longer hair strands
• Heavy-duty nozzle designed to deal with bigger particles hundreds with out bogging down
• The foldable extension tube makes it simpler to achieve underneath furnishings
• The identical foldable design additionally permits for extra compact, space-saving storage

Cons

• Cumbersome nozzle will wrestle to slot in tight areas
• Steering isn’t as sharp as a Dyson
• Slight leaks through the fog check

Finest for: Owners who desire a fairly priced cordless vacuum that may deal with massive quantities of pet hair with out slowing down. The Shark Vertex Professional’s upgraded brushroll makes use of finned parts to scale back tight hair wrap, guiding strands towards the built-in combs to allow them to be stripped off extra successfully. It’s not fully tangle-proof, but it surely’s a noticeable enchancment over typical designs. Mixed with its sturdy, constant cleansing efficiency, it gives glorious worth for individuals who need near-premium outcomes with out paying top-tier costs.

🧪 Efficiency Comparability Desk

Right here’s a side-by-side comparability of how every vacuum carried out on completely different experiments based mostly on real-world testing. Use this desk to shortly examine key metrics, together with pickup efficiency, fine-dust dealing with, and total usability.

Hair Wrap Take a look at Outcomes Breakdown

Hair wrap is without doubt one of the largest points with cordless vacuums—particularly in properties with pets.

Even when a vacuum picks up hair effectively, extreme tangling across the brushroll can scale back efficiency over time and require fixed upkeep.

On this check, I measured how a lot hair wraps across the brushroll after cleansing completely different hair lengths and surfaces.

The outcomes under present which vacuums resist tangling—and which of them shortly get overwhelmed.

The scores under are based mostly on averaged outcomes throughout a number of hair lengths (5 to 12 inches).

Not each mannequin was examined at each size—some had been excluded from longer-hair trials in the event that they already confirmed important tangling with shorter strands.

❌ Cordless Vacuums To Keep away from for Pet Hair

Not all cordless vacuums are constructed to deal with pet hair.

In testing, some fashions struggled with fundamental pickup, whereas others carried out effectively at first however shortly grew to become irritating as a consequence of hair wrap, clogging, or poor bin design.

These are the varieties of cordless vacuums I like to recommend avoiding when you have pets—and why they fall brief in real-world use.

1. Vacuums With out Anti-Tangle Brushrolls

Cordless vacuums with out anti-tangle brushrolls are likely to wrestle most with pet hair, notably with longer strands.

Throughout testing, hair would shortly wrap across the brush roll, lowering its capability to agitate the carpet and choose up particles successfully.

Even fashions with sturdy suction weren’t resistant to this difficulty, as wrapped hair builds up over time and impacts total cleansing efficiency.

This additionally creates a upkeep drawback. As a substitute of merely emptying the bin, you’ll must manually take away hair from the comb roll after most cleansing periods, a job that shortly turns into tedious in properties with pets.

2. Low Airflow Fashions (With a Few Exceptions)

Keep away from fashions with low airflow—although there are a number of exceptions (extra on that under).

In testing, low-airflow vacuums constantly struggled to maneuver pet hair from the ground, by way of the cleansing head and wand, and into the dustbin—particularly on carpet. As a substitute of being totally collected, hair typically will get caught within the nozzle or solely partially enters the bin.

This ends in inconsistent efficiency over time, notably because the dustbin fills up. It’s a key reminder that suction alone isn’t sufficient—airflow is what truly transports hair by way of the system.

That stated, there are exceptions. The Shark WandVac WS642, for instance, makes use of a brushroll with built-in combs designed to stop tangling and enhance hair pickup.

In testing, it was one of many few fashions to attain 100% pickup throughout all hair-length exams on each laborious flooring and carpet.

3. Slender Brush Designs That Tangle Simply

Brushroll design performs a significant function in how effectively a cordless vacuum handles pet hair, and narrower brush designs are likely to wrestle probably the most—particularly with longer strands.

In testing, these brushes don’t have sufficient floor space or optimized spacing to information hair easily into the airflow path. As a substitute, hair tends to pay attention in a smaller space of the brushroll, the place it wraps tightly and builds up shortly.

That is notably noticeable when cleansing carpets or choosing up clumps of pet hair, the place the comb is doing a lot of the work.

Over time, this buildup hampers the brushroll’s capability to agitate carpet fibers successfully, which results in missed hair and inconsistent pickup.

Even when the vacuum has sturdy suction, efficiency drops as extra hair will get tangled across the brush.

This additionally will increase upkeep. Slender brush designs typically require frequent guide cleansing to take away hair that wraps round them, making them much less sensible for properties with pets that shed commonly.

4. Slender Bin Designs

Dustbin design performs an even bigger function in pet hair elimination than most individuals count on, and narrower bins are likely to create extra issues over time.

In testing, these bins don’t give pet hair sufficient area to separate and fall freely when emptying. As a substitute, hair compacts tightly inside a smaller chamber, typically getting caught across the cyclone or alongside the inside partitions.

That is particularly noticeable with longer hair, which tends to cling and kind clumps relatively than drop out cleanly.

Because of this, emptying the bin turns into much less handy. As a substitute of a easy one-click launch, you’ll typically want to achieve inside and manually pull out caught hair.

Wider, better-designed dustbins make a noticeable distinction. The additional area permits hair to launch extra simply, lowering how a lot will get packed or tangled inside.

That stated, hair naturally clings to plastic, so some sticking is unavoidable—however bigger bins make emptying far much less irritating.

One other issue to think about is whether or not the vacuum makes use of an lively ejection system. Some fashions, like these from Dyson, use a push-out mechanism that bodily forces particles out of the bin, which helps decrease hair getting caught throughout disposal.

5. Weak Brushroll Agitation on Carpet

Pet hair tends to embed itself deep into carpet fibers, which requires each airflow and robust brushroll agitation to take away successfully.

Vacuums with weaker brushroll designs typically wrestle on this space, abandoning embedded hair even after a number of passes.

In testing, these fashions carried out adequately on floor particles however fell brief on deeper-cleaning duties.

When you have carpets, this turns into a significant limitation, as pet hair buildup is commonly most noticeable under the floor.

6. Single-Battery Fashions With Quick Runtime

Pet homeowners sometimes want longer cleansing periods, particularly in properties with a number of shedding animals. Cordless vacuums with restricted runtime will be irritating to make use of, particularly when higher-power settings are wanted for carpet cleansing.

In testing, shorter-runtime fashions typically required stopping mid-clean or switching to lower-power modes, which lowered their effectiveness on pet hair. This makes them much less sensible for bigger properties or extra demanding cleansing duties.

💡Purchaser’s Information

Choosing the proper cordless vacuum for carpet is dependent upon extra than simply suction energy. Components like airflow, brushroll design, and carpet kind all play a significant function in real-world efficiency.

Right here’s what truly issues when selecting a cordless vacuum for carpet.

1. Carpet Kind (Low vs Medium vs Excessive Pile)

Not all cordless vacuums carry out the identical throughout completely different carpet varieties. Low-pile carpet is usually simpler to wash, and most cordless vacuums can deal with it with out difficulty.

Medium-pile carpet requires extra airflow and stronger agitation to take away grime successfully.

Excessive-pile or thicker carpet is probably the most demanding, requiring a mixture of sturdy suction, excessive airflow, and an aggressive brushroll to tug particles from deep throughout the fibers. When you have thicker carpet, it’s necessary to prioritize fashions that carried out effectively in deep-cleaning exams.

2. Airflow vs Suction (What Truly Issues Extra)

Many manufacturers spotlight suction energy, however airflow is simply as important—particularly for cleansing carpet. Suction, sometimes measured as water raise, signifies the power the vacuum can generate and is often examined close to the motor.

In lots of instances, cordless vacuums with larger suction additionally produce larger airflow, so the 2 typically go hand in hand. Nonetheless, suction alone is barely a part of the equation—it exhibits potential, not the total image of real-world efficiency.

Airflow, measured in CFM, is what truly strikes particles by way of the system—from the carpet, by way of the nozzle, and into the dustbin. With out adequate airflow on the nozzle, even a vacuum with sturdy suction can wrestle to move grime successfully.

The very best-performing cordless vacuums strike a steadiness between each. When suction and airflow work collectively, you get higher deep cleansing, particularly on carpet.

However when a vacuum leans too closely on one and neglects the opposite, it typically exhibits up in testing—slower pickup, extra passes wanted, and particles left behind.

3. Brushroll Design & Agitation

Brushroll design is without doubt one of the largest components affecting carpet efficiency. A well-designed brushroll agitates carpet fibers, loosens embedded grime, and helps information particles into the airflow path.

Some vacuums wrestle on carpet, not due to weak suction, however as a result of their brush roll lacks the agitation wanted to raise particles from beneath the floor. In lots of instances, brushroll efficiency is what separates common vacuums from high performers.

4. Pets & Hair Pickup

When you have pets, hair pickup turns into simply as necessary as deep cleansing.

A vacuum could carry out effectively with particles however nonetheless wrestle with hair if the brushroll tangles simply or lacks the facility to raise it from carpet fibers.

Options like anti-tangle brushrolls and constant airflow could make a big distinction. In testing, some vacuums dealt with hair effectively on the floor however did not take away grime beneath, so it’s necessary to think about each components.

5. Runtime & Battery System

Carpet cleansing requires extra energy than cleansing laborious flooring, which implies runtime tends to be shorter—particularly on higher-power settings. For smaller properties, a single battery could also be sufficient.

Nevertheless, for medium to massive properties, a vacuum with a swappable or dual-battery system is commonly the higher selection. This enables for longer cleansing periods with out interruption and ensures constant efficiency all through.

Within the graph under, which exhibits runtime on the center energy setting, some fashions seem with a price of zero.

This doesn’t point out poor efficiency—it merely means these vacuums don’t have a devoted center setting.

For instance, the LG CordZero A9 solely gives low and max modes, so it’s recorded as zero on this class for consistency within the comparability.

6. Sealing & Nozzle Design

Sealing and nozzle design play a important function in sustaining suction and airflow on the carpet floor. A well-sealed cleansing head helps direct airflow effectively by way of the carpet, enhancing deep-cleaning efficiency.

Poor sealing can result in air leaks, lowering the vacuum’s capability to raise particles from throughout the fibers. That is typically missed, but it surely has a direct impression on how effectively a vacuum performs in real-world circumstances.

Some newer Dyson fashions embody adjustable gates that allow you to fine-tune the seal on the cleaner head.

A tighter seal can enhance suction and deep-cleaning efficiency, but when it’s too closed off, it creates extra resistance and makes the vacuum more durable to push on carpet.

Opening the gates barely reduces that drag, making it simpler to maneuver whereas nonetheless sustaining strong cleansing efficiency.

7. Weight & Ease of Use

Extra highly effective cordless vacuums are usually heavier, which may have an effect on usability over longer cleansing periods.

Lighter fashions are simpler to maneuver and extra comfy to make use of, particularly in handheld mode.

Nevertheless, they might not at all times ship the identical stage of deep-cleaning efficiency as heavier, extra highly effective choices.

Choosing the proper steadiness between efficiency and luxury is dependent upon your priorities and the way typically you clear.

8. Price range vs Efficiency

Larger worth doesn’t at all times assure higher efficiency, however in lots of instances, stronger carpet efficiency comes at a premium as a consequence of extra highly effective motors and higher airflow design.

Price range fashions can nonetheless carry out effectively for mild cleansing and low-pile carpet, however they typically fall brief in deep-cleaning exams. As a substitute of specializing in worth alone, it’s extra necessary to have a look at real-world check outcomes to grasp what you’re truly getting.

❓FAQ — Cordless Vacuums for Pet Hair

Listed here are solutions to the commonest questions on cordless vacuums for pet hair, based mostly on real-world testing and long-term use.

What’s the greatest cordless vacuum for pet hair?

The very best cordless vacuum for pet hair is one that mixes sturdy airflow, efficient brushroll agitation, and an anti-tangle design.

In exams, fashions with these options constantly picked up extra hair, particularly on carpet, whereas requiring much less upkeep.

As a substitute of specializing in a single “greatest” choice, it’s higher to decide on based mostly on your private home.

Some vacuums carry out higher on carpet, whereas others are simpler on laborious flooring or upholstery.

Do cordless vacuums work effectively for pet hair?

Sure, however not all cordless vacuums carry out equally effectively.

In testing, the best-performing fashions—people who mix the correct options—constantly dealt with pet hair throughout a number of surfaces with minimal points.

In distinction, weaker designs had been way more susceptible to hair wrap, clogging within the nozzle or wand, and inconsistent pickup as particles gathered.

Whereas cordless vacuums have improved considerably in recent times, uncooked suction alone isn’t sufficient.

Actual-world efficiency nonetheless hinges on how effectively the brushroll manages hair and the way effectively airflow transports it by way of the system.

With out each working collectively, even high-suction fashions can wrestle underneath typical pet hair circumstances.

Is suction or airflow extra necessary for pet hair?

Each are necessary, however airflow performs an even bigger function in transferring pet hair by way of the vacuum system.

Suction helps raise particles, however airflow is what carries hair from the ground into the dustbin.

In testing, vacuums with first rate airflow and a correct anti-tangle system carried out the very best.

Do anti-tangle brushrolls actually work?

Sure—anti-tangle brushrolls made a noticeable distinction in testing.

Vacuums with well-designed anti-tangle programs had considerably much less hair wrap, particularly with longer strands. This reduces upkeep and helps keep constant efficiency over time.

Which cordless vacuum is greatest for lengthy pet hair?

Lengthy pet hair is without doubt one of the hardest issues for a vacuum to deal with.

In testing, vacuums with anti-tangle brushrolls and robust airflow carried out greatest, as they prevented hair from tangling whereas sustaining constant pickup.

Fashions with out these options typically required frequent guide cleansing and confirmed lowered efficiency over time.

Why does hair get caught in my vacuum?

Hair sometimes will get caught as a consequence of a mixture of brushroll and bin design, in addition to airflow limitations.

In testing, vacuums with out anti-tangle brushrolls had been extra prone to wrap hair, whereas fashions with slender airflow paths or compact bins had been extra susceptible to clogging or trapping hair contained in the system.

These points develop into extra noticeable with longer hair and heavier shedding.

Are cordless vacuums good for pet hair on carpet?

Sure, however efficiency varies considerably between fashions.

Carpet requires each airflow and robust brushroll agitation to take away embedded hair. In testing, some cordless vacuums dealt with this effectively, whereas others struggled to transcend surface-level cleansing and brief strands.

When you have carpets, selecting the best brushroll design is simply as necessary as suction energy.

How do I forestall hair from tangling within the brushroll?

The easiest way to scale back hair tangling is to make use of a vacuum with an efficient anti-tangle brushroll.

Common upkeep additionally helps. Eradicating hair buildup from the brushroll and emptying the bin continuously can forestall efficiency from dropping over time.

Nevertheless, in testing, vacuums with higher brushroll designs required considerably much less guide cleansing.

Do I want a particular vacuum if I’ve pets?

Not essentially “particular,” however you do want a vacuum designed to deal with pet hair successfully.

In testing, normal cordless vacuums with out anti-tangle options or sturdy airflow typically struggled in properties with pets.

Selecting a mannequin optimized for hair pickup could make a noticeable distinction in each efficiency and upkeep.

What Dyson cordless vacuum is greatest for pet hair?

The very best Dyson cordless vacuum for pet hair is usually the one with the best anti-tangle brushroll and robust airflow, reminiscent of newer fashions with the newest hair-detangling know-how.

In testing, these fashions carried out higher at stopping hair wrap and sustaining constant pickup on carpet and fabric. Nevertheless, efficiency can differ by house, so it’s necessary to decide on based mostly on floor kind and cleansing wants relatively than model alone.

Can cordless vacuums substitute upright vacuums for pet hair?

Sure, high-performing cordless vacuums can substitute upright vacuums for pet hair in most properties.

In testing, premium cordless fashions delivered comparable pickup on each laborious flooring and carpet, particularly when geared up with sturdy airflow and efficient brushroll designs.

Nevertheless, for bigger properties or heavy shedding, runtime and dustbin capability can nonetheless be limiting components in comparison with full-size uprights.

Why does my cordless vacuum wrestle with pet hair on carpet?

Cordless vacuums often wrestle with pet hair on carpet as a consequence of restricted airflow or weak brushroll agitation.

In testing, fashions with decrease airflow or less-aggressive brushrolls had problem lifting hair embedded deep inside carpet fibers.

This typically ends in good floor cleansing however poor deep cleansing efficiency. Vacuums that mix sturdy airflow with an efficient brushroll design carried out considerably higher in these circumstances.