Best Cat Litter Box Replacement Air Filters in 2026

Compatible Models: This activated carbon filters are custom designed for Litter-Robot models, and are compatible with Litter-Robot 3 and Litter-Robot 3 Connect, which can reduce better odor and get fresher air.

Premium Material: Our filter replacement for Litter-Robot 3 adopts fiber activated carbon with millions of tiny pores, which increases high absorption and makes the filtration performance more powerful. In addition, it is non-toxic and odorless by itself, eco-friendly, safe for pets.

Reduce Odors at Home: This cat litter box filters are aimed at controlling the odor of the litter drawer, reducing the impact of unpleasant water from pets on the air, neutralizing odors in the home and maximizing a fresh home atmosphere.

REFRESH YOUR AUTOMATED CAT LITTER BOX with premium aftermarket replacement filters. Fresh Headquarters Charcoal Litter Box Filters are precision-cut to be compatible with your Litter-Robot 3.

6-PACK OF FILTERS provides 6 months of odor control so your home always smells fresh and ready for unexpected guests. For best results, we recommend changing the carbon filters monthly.

HIGHLY ABSORBENT activated carbon pads have millions of micropores. This results in more places for odors, gaseous pollutants and volatile organic compounds to become trapped and neutralized.

Magic Blue absorbs and retains up to 80% of ammonia and reduces fecal odors by an average of 40%, depending on your cat's cat food diet

Includes filter cat litter pads for 3 months, for use with the Magic Blue Cartridge (sold separately), a reusable holder that fits every cat litter box

Safe and easy to use in any cat litter pan, the pads are also non-toxic and unscented

[Compatibility] ONLY Compatible with Litter-Robot 3 Self-Cleaning Cat Litter Box. If any doubt, please check product dimensions.

[Compatible Carbon Filter] Length is about 10 inch. Width is about 3.6 inch. Thickness is about 0.6 inch. The Replacement Seal Strip Set: 2 long strips and 2 short strips: Long (11.5" x 0.38" x 0.38"), Short (4.5" x 0.38" x 0.38")

[Keep the Litter-Robot Fresh] Our premium carbon filter absorbs odors in the waste drawer. Our Replacement Seal Strip Trap unpleasant odors as well.

CUSTOM FIT FOR LITTER-ROBOT 4: Keep your home smelling fresh with these Litter-Robot 4 replacement carbon filters, designed to absorb odors and control moisture.

HELPS REDUCE UNPLEASANT ODORS: The carbon filter absorbs odors from the Litter-Robot 4's waste drawer, helping to reduce those telltale litter box smells.

FOR OPTIMAL ODOR ABSORPTION, we recommend replacing your carbon filter every month. You may need to swap more or less frequently based on your cat's usage patterns. For additional odor absorption, try our OdorTrap Packs.

Package Content: You will receive 6pcs carbon filters for litter-robot and cat litter box, which can absorb odors, control damp, moisture keep your home clean.

Effective Filtration: The carbon filters are approximately 9 inches long, 3 inches wide, and 0.4 inches thick. Each use can deodorize for three months, for a total of 18 months to keep your litter box odor free and clean.

Naturally Safe: The carbon filters can be inserted into the ventilation filter compartment without affecting the pet's movement at all, without causing any harm to them. Gives you peace of mind while removing odors.

Litter Box Filters: These cat little box filters are compatible with the hooded cat litter boxes and pans. The size is 6*6.5 inches. With a simple DIY, it fits most hooded litter boxes.

Pack Of 6: One pack contains 6 pieces of activated carbon filters, and one filter can be used for 2-3 months, but it also depend on the actual situations. Anyway, you can simply replace it when the filter loses the effectiveness.

Absorb Odors: Activated carbon filters can effectively absorb odors, improve indoor air quality by absorbing the peculiar smell in the cat litter box.

REFRESH YOUR AUTOMATED CAT LITTER BOX - ID Air Systems Charcoal Litter Box Filters are premium precision-cut to be compatible with your Litter-Robot 3.

VALUE FOR MONEY -  A pack of 6 filters provides 6 months of odor control so your home always smells fresh and ready for unexpected guests. For best results, we recommend changing the carbon filters monthly.

HIGHLY ABSORBENT - Our activated carbon pads have millions of micropores. This results in more places for odors, gaseous pollutants and volatile organic compounds to become trapped and neutralized.

🐱CAT LITTER REMOVER: Exclusive for PETKIT PuraMax self-cleaning cat litter box, 3 packs baffles included.

🐱DUMP CAT LITTER EFFECTIVELY: No longer requires removing the entire cyliner to dump the cat litter, just one click to empty approx 90% of the cat litter.

🐱QUICK INSTALLATION & REMOVAL: Press the buckles into the holes of the litter filter from left to right, then pinch the handle and lift it firmly from left to right.

【Compatible Models】This activated carbon filter is custom designed for Litter-Robot models, and are compatible with Litter-Robot 3 and Litter-Robot 3 Connect, which can reduce better odor and get fresher air.

【Premium Material】Our filter replacement for Litter-Robot 3 adopts fiber activated carbon with millions of tiny pores, which increases high absorption and makes the filtration performance more powerful. In addition, it is non-toxic and tasteless, environmentally friendly, and safe for pets.

【Reduce Odors at Home】This cat litter box filters are aimed at controlling the odor of the litter drawer, reducing the impact of unpleasant water from pets on the air, neutralizing odors in the home and maximizing a fresh home atmosphere. Activated carbon charcoal pads trap urine and feces odors in their pores so your home smells clean and fresh.

VALUE PACK - 8 Pack Activated Carbon Filters provides 6 months of odor control so your home always smells fresh. For best results, we recommend changing the carbon filters monthly.

COMPATIBLE MODELS - This activated carbon filters are custom designed for Litter-Robot models, and are compatible with Litter-Robot 3 and Litter-Robot 3 Connect, which can reduce better odor and get fresher air. Our Filters are 0.4" thick. 10'' x 3.5'' x 04''.

PREMIUM QUALITY - We use activated carbon filter paper is non-toxic, and safe for pets. Pure natural activated carbon made from coconut shell, peat, wood, and sawdust, environmental protection.

【Customized Design】These carbon filter replacements are custom designed for Litter-Robot 4, ensuring a 1:1 precise fit without any gaps. Powerful activated carbon filters continuously absorb odors.

【More effectively Odor Control】Litter box carbon filters are made of high-density activated carbon, with a thickness of approximately 4-5mm thick in each piece. With millions of microporous structures and more carbon & higher PPI, the LR 4 carbon filter greatly improves the blocking and absorbing efficiency, more effectively filtering out the odor-causing substances in cat urine, such as ammonia, providing fresh air for your family.

【Pet-Friendly Material】Made of activated carbon, soft, natural, and non-toxic, does not release any harmful substances, safe for your pet. Disposable, do not rinse.

The PETKIT Air Purifier smart spray is with large area deodorization, fits for cat litter box, pet beds, pet tents, etc.

Remove Odor Effectively: Remove odor automaticall after self-cleaning or scheduled via App(Bluetooth Connected).

Liquid Insufficient Reminder: App will remind you to change the odor removal liquid in time.

6 Pack Carbon Filters Compatible with Litter-Robot 4 - Replacement Filters for All Litter-Robot Models to Absorb Odors Control Damp from Pets and Keep Home Fresh

Safe Material: The filter replacement for Litter-Robot 4 adopts fiber activated carbon with millions of tiny pores, which increases high absorption and makes the filtration performance more powerful. In addition, it is non-toxic and odorless by itself, eco-friendly, safe for pets.

Neutralize Odors in Home: Our cat litter box filters are aimed at controlling the odor of the litter drawer, reducing the impact of unpleasant odor from pets on the air, neutralizing odors in the home and maximizing a fresh home atmosphere.

[Robot accessories]: activated carbon filter size: 10x3.6x0.6 inches, improve odor control, and enjoy clean odor. For best results, we recommend replacing the carbon filter every month.

[Safety material]: The filter replacement of garbage robot 3 has millions of micropores, which can improve the absorption rate of odor and gas pollutants. It is non-toxic and tasteless, environmental friendly, and safe for pets.

[Easy to use]： Just simple operation, pull out the junk drawer, remove the old filter from the hook and insert the new bin filter replacement without any tools

Litter-Robot 4 FILTERS: These cat little box filters are compatible with Litter-Robot 4 Litter Box. No cutting required, just install directly.

PACK OF 10: One pack contains 10 pieces of activated carbon filters, and one filter can be used for 2-3 months, but it also depend on the actual situations. Anyway, you can simply replace it when the filter loses the effectiveness.

ABSORB ODORS: Activated carbon filters can effectively absorb odors, improve indoor air quality by absorbing the peculiar smell in the cat litter box.

Cat Litter Box Filters, A good solution to solve the litter box unpleasant smells problem, do the good to remove , maintain fresh and clean smells, keep your pets with good health and mood.

Made of Activated carbon material, Cat Litter Filter has adsorption ability,help to remove in a long time.

Cat Litter Box Filters Replacement, Made of premium activated carbon, with absorbency, can absorb and filter for a long time, disposable supplies, do not recommend rinsing before use.

PET ACCESSORIES-- These practical Cat Litter Filters won’t generate any unwanted smells, safe for pets to use, very practical.

CAT LITTER MAT-- Suitable for a pet’s living and sleeping area, as well as small areas such as cat litter box, dog’s toilet, bathroom, garbage cans.

AIR FILTER FOR LITTER BOX-- These professional Cat Litter Filter Pads can be available for a time, which is economic and practical.

【Activated carbon filters size】: 10x3.6x0.6 inches, can effectively reduce the smell, improve the air and keep fresh air. Make the air cleaner, it is recommended to replace monthly.

【Safer for pets】: These kitty litter box filters contain cellular activated carbon.honeycomb activated carbon block is commonly used in tap water purification, medical food water purification, etc., non-toxic, tasteless, environmental protection, safer for pets.

【Easy to use】: No tools required, you just need to remove the old filter sponge and replace it with a new honeycomb activated carbon bin filter to complete the installation.

Litter-Robot 4 FILTERS: These cat little box filters are compatible with Litter-Robot 4 Litter Box. No cutting required, just install directly.

PACK OF 8: One pack contains 8 pieces of activated carbon filters, and one filter can be used for 2-3 months, but it also depend on the actual situations. Anyway, you can simply replace it when the filter loses the effectiveness.

ABSORB ODORS: Activated carbon filters can effectively absorb odors, improve indoor air quality by absorbing the peculiar smell in the cat litter box.

LITTER BOX FILTERS - 6 Pack Activated Carbon Filters provides 6 months of odor control so your home always smells fresh. These cat little box filters are compatible with the hooded cat litter boxes and pans.

COMPATIBLE MODELS - This activated carbon filters are custom designed for Litter-Robot models, and are compatible with Litter-Robot 3 and Litter-Robot 3 Connect, which can reduce better odor and get fresher air. Our Filters are 0.4" thick. 10'' x 3.5'' x 04''.

PREMIUM QUALITY SAFE MATERIAL：- We use activated carbon filter paper is non-toxic, and safe for pets. Pure natural activated carbon made from coconut shell, peat, wood, and sawdust, environmental protection.With the thickness of 1cm (0.4"), the filters can efficiently absorb odors.

Safe and non- toxic litter box filter gives you peace of mind and a fresh home.

Universal size carbon activated cat box filter, compatible with most closed cat trays/ litter boxes on the market.

Feel free to place your litter box almost anywhere with our litter box filter without letting guests smell unpleasant cat.