10 Best Pet Fountain Filters of 2025

Tested and Reviewed: Top 10 Pet Fountain Filters deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

Editor's Choice

9.7

PetSafe

PetSafe Drinkwell Replacement Carbon Filters - Compatible with Drinkwell 1/2 Gallon, 1 Gallon, 2 Gallon, Avalon, Pagoda, Sedona and Seascape Fountains, 12-Pack

Editor's bottom line:

“This pet fountain filters is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Certified Fit: The only filter brand certified to fit the PetSafe Drinkwell 1/2 Gallon, 1 Gallon, 2 Gallon, Butterfly, Avalon, Pagoda, Seascape, Sedona, Seaside and Creekside Pet Fountains
Fresh, Filtered Water: The replaceable carbon keeps your pets water clean by refreshing the water
Better Value: PetSafe brand filters contain 50% more carbon than generic brands for superior and longer-lasting filtration
Easy to Replace: Simply replace the carbon filter when you clean your pets fountain; each filter provides 2-4 weeks of filtration
U.S.-Based Customer Care: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions
Established Experience: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations for nearly 30 years. We help pets and their people LIVE HAPPY TOGETHER

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Picked by 397 people today

9.5

MANFCAT

24 Pcs Cat Water Fountain Filter,12 Pack Filters & 12 Pack Pre-Filter Sponges, Compatible with 95oz/2.8L Pet Fountain

Main Highlights

Compatibility: Cat water fountain filter for 95oz/2.8L Pet Fountain, please double check size before purchase. Diameter of hollow circle is about 1.4 inch.Length of square is about 3.9 inch
24 Pcs Cat Water Fountain Replacement Filters: 12 replacement filters and 12 pre-filter sponges, individually packaged to keep them fresh and ready for use. Enjoy a high flow rate for continuous clean water
High-Quality Materials for Optimal Filtration:Non-Woven Fabric: Catches hair, debris, and sediment,Coconut Shell Activated Carbon: Absorbs impurities and odors, ensuring fresh, clean water,Ion Resin: Softens water and reduces heavy metals for improved water quality,Pre-Filter Sponge: Captures extra hair and debris before it reaches the filter
Easy Prep & Maintenance:Soak the filter in water for 2 minutes, then rinse thoroughly under running water,For the best water quality, replace each filter every 2-4 weeks
Protect your pet: Helps reduce the risk of urinary tract infections and kidney stones in pets

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9.5

VANVE

32 Pcs Cat Water Fountain Replacement Filters-16 Pack Cat Fountain Filters with 16 Pack Sponges, Enhanced Compatibility Pet Fountain Filter Fit for 95oz/2.8L 135oz/4L 67oz/2L Pet Drinking Fountain

Main Highlights

Upgraded Compatibility for More Models:Compatible with 95 oz / 2.8 L & 67 oz / 2 L & 135 oz / 4 L Pet Fountain Automatic Pet Fountains . Please check your fountain model before purchase. (Filter size: 3.9 x 3.9 x 0.4 inch | Sponge size: 1.5 x 1.1 x 1.0 inch)
Triple Filtration System: Composed of a non-woven fabric layer, activated carbon and an ion exchange resin. Effectively to filter hair, heavy metals. Extend your pumps lifespan with our extre pre-filter sponges.
32-Piece Cat Fountain Replacement Filter Kit: Bulk Savings! 16 Filters & 16 Sponges for Long-Lasting Fresh Water!
Support Your Pets Health Every Day: For a clean and healthy drinking experience, replace the filter every 2 to 4 weeks, depending on your pet's habits. Soak the filter for 2 minutes before use to ensure optimal performance.
Low-Cost Care for a Healthier Pet: Simply change filters regularly during cleaning to keep your pet's water pure and fresh. Your pet deserves the freshest water!

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9.2

Veken

Veken Cat Water Fountain Filters, 8 Pack Replacement Filters & 8 Pack Replacement Pre-Filter Sponges Set for 50oz, 84oz, 95oz or 108oz Automatic Pet Fountain Dog Water Dispenser

Main Highlights

Ensures Clean, Fresh Water: Encased in high-density fabric, our multi-stage filtration system combines multi-layer filter media, coconut shell activated carbon, along with a unique composite scale inhibitor, to provide your pets with clean, fresh, and great-tasting water.
Tailored for Veken: Authentic Veken filters are meticulously designed to fit snugly into your 50oz, 84oz, 95oz or 108oz fountain. Each filter is individually sealed for integrity, making Veken the only correct choice for your filtration needs.
Superior Filtration Performance: Our refined coconut shell activated carbon boasts an advanced pore structure that outperforms standard activated carbon. It absorbs impurities rapidly, lasts longer, and excels at filtering contaminants from water.
Cost-Effective and Durable: Keep your pets thriving and hydrated without breaking the bank. Our authentic Veken pet fountain filters offer exceptional longevity and value for a minimal monthly investment, thanks to their enduring design.
Convenient Multipack Bundle: Our filter replacement pack includes both filters and pre-filter sponges, making maintenance a breeze. Easily swap out both filters during your regular fountain cleaning to ensure consistently fresh water for your pets.

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9.0

GIOTOHUN

GIOTOHUN Cat Water Fountain Filter Replacement: 12 Cat Fountain Filter - 12 Pet Fountain Filter - 6 Carbon Filters & 6 Foam Filters - Suitable for GIOTOHUN Stainless Steel Cat Fountain S11

Main Highlights

Correct matchThis filter is matched with GIOTOHUN 2.2 L stainless steel cat water dispenser
12 FiltersCat fountain filter is equipped with 6 carbon filters and 6 sponge filters to meet the needs of 3-6 months, and each piece is individually sealed and packaged to keep the filter clean and effective
Multiple FiltrationThe filter is made of activated carbon, ion exchange resin and sponge, which integrates adsorption, filtration and purification, which can effectively filter out hair and fine impurities, purify water quality and improve taste
Enjoy clean waterA high-quality pet fountain filter allows pets to drink clean water 24 hours a day, which is conducive to reducing the risk of urinary tract infections and protecting the health of pets
Suggestions for useBefore use, soak the filter with water for 5 minutes to remove dust. Changing the filter every 2-4 weeks is good for keeping the water clean and improving the pet's drinking experience

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8.8

PETLIBRO

PETLIBRO Replacement Filters for Dockstream Cat Water Fountain PLWF106/PLWF116/PLWF115/PLWF105/PLWF005, 4 Months Set of Replacement Filters for Ultra Quiet Cat Fountain, 8 Count for Pet Water Fountain

Main Highlights

Ensure Use Offical PETLIBRO Water Fountain Filter: Off-brand cat fountain filters may cause leaks/pump failure in PETLIBRO automatic water dispensers.The PETLIBRO Genuine replacement filters are ONLY compatible with PETLIBRO cat water fountain PLWF106/PLWF116/PLWF105/PLWF115/PLWF005/PLWF305.
In the Box - Package includes 8 packs of replacement filters and 8 packs of replacement pre-filter sponge. To ensure better user experience, the cat fountain filter and pre-filter sponges are individually packaged.
All For Your Pets Health - Every drop of water is filtered through multi-layer filtration to remove all impurities and provide oxygen-enriched and better-tasting water.
Vertical Filtration System - 1. Activated carbon eliminates foul odors 2. Ion exchange resin removes heavy metal ions and softens water quality 3. The non-woven fabric captures cats' hair and impurities 4. The built-in pump sponge further filters debris to prevent blockages and damage.
For Optimal Use - Soak the filter for 5 minutes and rinse for 30 seconds before use. To maintain the filtering effect, recommended to replace the filters every 2 weeks. If you have multiple pets, it is recommended to clean the fountain and change the filter more often.

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8.6

KANCHOU

Cat Water Fountain Filter,16 Pack Cat Fountain Replacement Filters for Stainless Steel 67oz/2L Adjustable Water Flow Pet Water Fountain,Dog Water Fountain (8+8 Pack)

Main Highlights

CompatibleThis cat water fountain filter is compatible with a variety of cat fountains, the specific compatible fountain style, please check the product image list, before buying please confirm whether it is compatible with your cat fountain to avoid purchasing errors.
PackageThe package contains 8 cat fountain replacement filters and 8 pre-filter sponges.
FilterThe cat fountain filter helps filter the water quality, while the pre-filter sponges blocks out any hair, dust or food debris.
MaterialThe pet fountain filter is made of safe materials, which helps keep the water fresh and allows pets to drink fresh water.
NoteBefore use, soak and flush the cat water fountain filter with clean water,clean the filter every time you change the water of the cat fountain, and change the cat drinking fountain filter and sponge every 2-4 weeks.

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8.3

PetSafe

PetSafe Drinkwell Premium Replacement Carbon Filters, Dog and Cat Water Fountain Filters, Pack of 12

Main Highlights

Certified Fit: The only filter brand certified to fit the PetSafe Drinkwell Outdoor Dog, Everflow, Multi-Tier, Original, Platinum, Zen and Mini Pet Fountains
Fresh, Filtered Water: The replaceable carbon keeps your cats water clean by refreshing the water
More Carbon: PetSafe Drinkwell branded filters contain 50% more carbon than generic brands for better and longer-lasting filtration
Easy to Replace: Simply replace the carbon filter when you clean your pets fountain; each filter provides 2-4 weeks of filtration
U.S.-Based Customer Care: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions
Established Experience: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations for nearly 30 years. We help pets and their people LIVE HAPPY TOGETHER

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8.1

Monsin

Cat/Pet Water Fountain Filters, 12 Pieces Set Pack of 8 Replacement Filter Fit for 81oz/2.4L, 3 Filtration System with 4 Pre-Filter Sponges

Main Highlights

Compatibility:Measure your existing filters diameter, height, and thread size before purchasing. Compatible with 81oz/2.4L round pet fountain on market. Diameter of hollow circle is about 1.4 inch.Diameter of outer circle is about 5 inch.(Not for catit fountain).
Value Filter Set: Pack of 8 filters, pack of 4 pre-filter sponges, Filter and Sponges are individually sealed.
Triple Filtration System: Composed of a non-woven fabric layer, activated carbon and an ion exchange resin. Effectively filters hair and heavy metals, keeps water fresh and improves the taste of the water.
Keeping Health: Helps pet to increase water consumption.
Note: Please rinse filter before use. Replace filter every 2-4 weeks.

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8.1

Cirfifth

4/12/16 Pack Cat Water Fountain Filters, Cirfifth Triple Filtration System Pet Cat Fountain Filter Replacement for 84oz/2.5L Automatic Cat Fountain (12 Pack)

Main Highlights

Important NoteCompatible with 84oz/2.5L Round cat fountain shown in the picture. Not compatible with Catit brand fountain
Cat Water Fountain FiltersCotton layer,activated carbon and ion exchange resin forming a three-layer filtration system.They can filter hair,particle,heavy metals, and improve the taste of the water so that pets can drink clean and fresh water from cat fountain
RecommendationsPlease soak the filter in water for 2 minutes and rinse it thoroughly under running water before use and change the filter every 2-4 weeks.
Individual packageThe cat fountain filters replacement are individually packaged and sealed to maintain high quality.
What You Get12 Pack cat water fountain filters,worry-free 12 month warranty,friendly customer service.

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Our Best Overall Choice

Best Choice

9.7

PetSafe

PetSafe Drinkwell Replacement Carbon Filters - Compatible with Drinkwell 1/2 Gallon, 1 Gallon, 2 Gallon, Avalon, Pagoda, Sedona and Seascape Fountains, 12-Pack

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Certified Fit: The only filter brand certified to fit the PetSafe Drinkwell 1/2 Gallon, 1 Gallon, 2 Gallon, Butterfly, Avalon, Pagoda, Seascape, Sedona, Seaside and Creekside Pet Fountains
Fresh, Filtered Water: The replaceable carbon keeps your pets water clean by refreshing the water
Better Value: PetSafe brand filters contain 50% more carbon than generic brands for superior and longer-lasting filtration
Easy to Replace: Simply replace the carbon filter when you clean your pets fountain; each filter provides 2-4 weeks of filtration
U.S.-Based Customer Care: Our pet product experts are here to help you and your pet and are available by phone, email or chat if you have any questions
Established Experience: PetSafe brand has been a trusted global leader in pet behavior, containment and lifestyle innovations for nearly 30 years. We help pets and their people LIVE HAPPY TOGETHER

Show Price

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