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 4.7 • 1000+ Verified Reviews  

PureNest

PureNest

Completely safe for cats — no chemicals

Eliminates cat odor at the source

Powered by negative ion technology

Rechargeable — one charge lasts ~10 days

Starts working within hours

Regular price $45.99
Regular price $45.99 Sale price $92.00
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PureNest

PureNest

Regular price $45.99
Regular price $45.99 Sale price $92.00
SAVE 50% Sold out
{% assign shipping_policy_id = 'ozf-policy-' | append: section.id %}
Shipping Policy

Order processing takes 1–3 business days before shipment. Once your item/s is dispatched, the estimated delivery time is:

  • USA: 5–12 business days
  • UK: 5–12 business days
  • Australia: 5–12 business days
  • Canada: 5–12 business days
  • EU: 6–12 business days
  • Worldwide: 7–15 business days

For full delivery terms, see our complete Shipping Policy .

Return & refund policy

Customers must submit a return request within 10 days from the order's arrival date.

For more details on the return process and conditions, please refer to our complete Return & Refund Policy.

 

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Advanced Negative Ion Air Purification

Freshens The Air Around Your Cat Without Filters Or Chemicals

Targets Cat Odors In The Air

Targets Cat Odors In The Air

Negative Ion Technology

Negative Ion Technology

No Filters To Replace

No Filters To Replace

Chemical-Free Freshness

Chemical-Free Freshness

PureNest Negative Ion Air Purifier
Quiet and Low Maintenance

Quiet & Low-Maintenance

Compact and Space Saving

Compact & Space-Saving

Easy Plug-In Design

Easy Plug-In Design

Made For Everyday Cat Homes

Made For Everyday Cat Homes

Cat odor silently switches off your nose, while the ammonia keeps building in your air.

You scoop every day. You clean constantly. But after years with the same cat odor, the receptors in your nose have quietly stopped responding.

Scientists call it olfactory fatigue. Meanwhile, the ammonia that shut your nose down keeps building in your air.

You can't smell it anymore. Everyone who walks through your door can. It doesn't mean you're dirty — it means your nose stopped warning you a long time ago.

Cat odor and indoor air demonstration
Cat odor cleaning products comparison

You tried everything. It always comes roaring back.

The candles, sprays, baking soda by the box, and enzyme cleaner you soaked into the carpet.

Maybe a bulky filter machine that promised the world. Hundreds of dollars, one “miracle” at a time.

For a day or two, it works — then it's back. Every time.

Here's what nobody tells you:

None of it was ever going to work. Every one of those was built to cover the smell, not remove what's causing it.

The fragrance fades, and the odor's right where it was because whatever's producing it never left.

You weren't doing it wrong. You were handed the wrong tools.

It doesn't cover the smell. It destroys what's causing it.

The odor isn't really in your carpet or your couch.

It's in the air — microscopic particles from ammonia and cat waste, floating, settling, and building up faster than you can clean.

PureNest uses negative ion technology to go after those particles directly.

It releases negative ions that bond to the odor-causing particles in your air and break them down, so there's nothing left to smell.

No fragrance added. No scent layered on top. The particles are simply gone.

It's not a new idea. This is the same air-purifying technology first used in hospitals nearly a century ago to help keep enclosed air clean.

Now it's been shrunk into a device that mounts on the wall by your litter box.

PureNest negative ion technology demonstration
PureNest fragrance free cat odor solution

No fragrance. No perfume. Nothing to cover it up.

Every "solution" you've tried worked by adding something to your air. A scent from a candle. A perfume from a spray. A chemical cloud from an air freshener that somehow smelled worse than the problem.

If strong fragrances give you headaches, or you've simply learned that "fresh linen scent" plus cat odor equals something worse than either one, you already know why that approach was never going to work.

PureNest adds no fragrance to your home. No essential oils. No perfume. No scent of any kind.

It doesn't try to win a battle of smells. It goes after the odor-causing particles themselves, so what's left isn't a "clean scent."

It's just… nothing. The way a home is supposed to smell.

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The difference between covering a smell and eliminating it.

PureNest

PureNest

Traditional Air Purifier

Traditional Air Purifier

Removes odor at the source
ions breaks odor particles
Traps some
Nothing to smell when guests arrive
None
Fades in hours
Filters to replace
None
$50–$150/year in replacement filters
chemicals or fragrance
None
varies
Works anywhere
Does not need an outlet
Needs an outlet + floor space

Thousands of Happy PureNest Users

See why cat owners are choosing PureNest for a fresher home

4.7

★ ★ ★ ★ ★

1,904 reviews

5★
1,134
4★
736
3★
30
2★
4
1★
0

97% of reviewers would recommend PureNest to a friend

Satisfaction
Quality
Results
Leanne T.

Leanne T.

Verified customer
I recommend this product
2 days ago

I Hosted Thanksgiving Again

I have three indoor cats and I love them more than anything. But I stopped letting people into my home two years ago. I made every excuse I'm tired, the house is messy, let's just meet at the restaurant. The truth was I knew it smelled. I just couldn't tell how bad because I'd been living in it for so long. My sister finally told me. She wasn't mean about it but I was humiliated. I found PureNest online and honestly I didn't believe it would work. Nothing else had. But within a few days something changed. The air near the litter boxes just felt different lighter. I asked my sister to come back and tell me the truth. She walked through every room and said she couldn't smell a thing. I hosted Thanksgiving at my house this year for the first time since 2022. Nobody mentioned any smell. I keep thinking about all the months I hid for no reason.

Leanne T. PureNest review
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Jessica M.

Jessica M.

Verified customer
I recommend this product
2 days ago

I Just Walk Through My Door and Breathe

I used to walk through my front door and immediately wonder what a stranger would smell. Every single time. I'd light candles before anyone came over. I'd open windows in January. I'd spray Febreze until the house smelled like Febreze AND cat, which is somehow worse. PureNest is the first thing that actually eliminated the smell instead of just piling another scent on top of it. I don't light candles anymore. I don't spray anything. I just walk through my door and breathe.

Jessica M. PureNest review
Was this review helpful? 15 2
Amanda K.

Amanda K.

Verified customer
I recommend this product
4 days ago

My Home Smells Clean. Not Perfumed.

I'll be honest. I almost didn't buy this because I thought it was going to be another waste of money. I've spent more than I want to admit on sprays and cleaners and charcoal bags and a big air purifier that just collected dust. Literally and figuratively. But something about PureNest was different it actually explained WHY none of that other stuff worked. So I tried it. One last time. It's been two months and my home smells clean. Not perfumed. Not masked. Clean. My friend said she forgot I even had cats. If you're reading this and you're as skeptical as I was — just try it.

Amanda K. PureNest review
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Marie-Claire D.

Marie-Claire D.

Verified customer
I recommend this product
4 days ago

She Didn't Touch a Single Window

I have two Siamese and I adore them. But I dreaded every time my daughter brought the grandkids over because I knew the first thing she'd notice was the litter box smell. She never said anything directly but she always opened a window the second she walked in and I knew exactly what that meant. After I got PureNest she came over on a Sunday and sat down without opening anything. She didn't touch a single window. She just sat down. I nearly cried because that small thing meant everything to me.

Marie-Claire D. PureNest review
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Frequently Asked Questions

How long until I notice a difference?

Most people notice the air around the litter box area feels lighter within the first few hours.

But here's what's important to understand: if you've been living with cat odor for months or years, your nose has adapted to it.

You may not be the best judge of the change right away.

The real test is someone else. Have a friend, a family member, or a neighbor walk through your front door after PureNest has been running for a few days.

Their nose hasn't adapted. They'll notice what yours can't.

Or leave your home for a few hours and come back. That's when most of our customers say it hits them.

The moment they open the door and realize the air feels different.

How much space does one PureNest cover?

One PureNest unit is designed to cover a single room roughly 200 to 400 square feet. That's a bedroom, a living room, or the area around your litter box.

If your litter box is in one room and the smell reaches other parts of your home, you'll want a unit for each room where the odor settles.

The ions work by destroying particles in the air around the device — they don't travel through hallways or around corners.

Most multi-cat homes use two or three units to cover the areas that matter most.

Will this help with smell that's already stuck in my carpet or furniture?

PureNest works on what's in your air. The microscopic ammonia and odor particles that float off surfaces and circulate through your rooms.

It doesn't clean carpet fibers or couch fabric directly.

But here's why it still makes a difference. The smell you notice when you walk into a room isn't coming from the carpet itself.

It's coming from particles that keep releasing into the air from those surfaces.

PureNest continuously destroys those particles as they enter the air, so the room stops smelling even if the original source material is still there.

For heavy staining on carpets or upholstery, a one-time enzyme cleaner treatment on the surface combined with PureNest running continuously in the room is the combination that handles both the source and the air.

I have more than one cat. Will this actually work?

Yes. Negative ions destroy odor particles regardless of how many cats are producing them.

More cats means more ammonia in the air, which means you may need more than one unit — but the technology itself works the same whether you have one cat or four.

Most multi-cat owners place one unit near the litter box area and a second in whatever room they spend the most time in.

If your cats have a history of accidents outside the box, a third unit near those areas handles the residual odor.

The goal is coverage where the odor concentrates — not one unit per cat.

How can something this small actually do anything?

It's a fair question. The air purifiers you've probably seen before are large because they work by physically pulling air through a filter.

The bigger the filter, the more air it moves. That's why they're bulky, loud, and expensive to maintain.

PureNest doesn't filter air. It releases negative ions into the air around it.

Those ions bond to odor-causing particles — ammonia, dander, litter dust — and break them down.

The device doesn't need to be large because the ions do the work, not the machine.

This isn't a new concept. Negative ion technology has been used in hospitals and clinical settings for nearly a century to keep enclosed air clean.

PureNest is the same approach in a compact form, designed specifically for the room where your litter box sits.

Will it leave dust or residue on my furniture?

Some ionizers can cause fine particles to settle on nearby surfaces.

With PureNest, this is minimal — but if you notice a light layer of dust near the unit, it's actually a sign the ions are doing their job.

Those are particles that were floating in your air — the same particles that carry the odor — now pulled out of what you're breathing.

A quick wipe with a damp cloth takes care of it.

Most customers don't notice any difference, but it depends on how much particulate is in your air to begin with.

Does it make any noise?

None. PureNest is completely silent. There are no fans, no motors, and no moving parts.

You can run it in your bedroom, your living room, or right next to where you sleep and you'll never hear it.

Most people forget it's there until someone walks through their door and asks when they got rid of the cats.