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AquaFlow Smart™ Filters

AquaFlow Smart™ Filters

 (389 Reviews)
Regular price $21.00
Regular price $21.00 Sale price $33.00
SAVE 36% Sold out

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AquaFlow Smart™ Filters

AquaFlow Smart™ Filters

Regular price $21.00
Regular price $21.00 Sale price $33.00
SAVE 36% Sold out
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    "One of the most overlooked aspects of feline health is water quality. Even when cats have access to water, debris, hair, and odors can discourage them from drinking. Replacing fountain filters regularly helps maintain cleaner, fresher water, which may encourage more consistent hydration and support overall urinary and kidney health."

    Dr. Michael Reynolds
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    "Cats are naturally sensitive to taste and smell. When water becomes stagnant or develops odors, many cats simply drink less. A quality multi-layer filter helps remove impurities and improve water freshness, making fountains a more appealing hydration source for everyday use."

    Dr. Emily Carter
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    "Proper fountain maintenance is just as important as choosing the fountain itself. Activated carbon, filtration media, and regular filter replacement help reduce debris and keep circulating water cleaner between cleanings. This simple routine can make a noticeable difference in water quality over time."

    Dr. Sarah Mitchell

    3-Pack

    • 3 × Replacement Filter Cartridges
    • 3 × Pre-Filter Sponges

    6-Pack

    • 6 × Replacement Filter Cartridges
    • 6 × Pre-Filter Sponges

    9-Pack

    • 9 × Replacement Filter Cartridges
    • 9 × Pre-Filter Sponges

    Each filter set is individually sealed to maintain freshness and filtration performance.

    The CatOasis multi-stage filtration system helps provide cleaner, fresher water for your cat every day.

    Stage 1 — Cotton Layer
    Captures hair, fur, dust, and larger debris before they enter the water circulation system.

    Stage 2 — Activated Carbon
    Helps remove odors and unpleasant tastes, encouraging cats to drink more water.

    Stage 3 — Ion Exchange Resin
    Reduces heavy metals and unwanted minerals commonly found in tap water.

    Pre-Filter Sponge
    Traps larger particles and pet hair before they reach the main filter, helping extend filter life and maintain optimal water flow.

    For best performance, replace the filter every 2–4 weeks and the sponge every 2 weeks, depending on the number of pets and water quality.

    • Product Type: Replacement Water Fountain Filter Set
    • Material: Cotton, Activated Carbon, Ion Exchange Resin, ABS Housing
    • Sponge Material: High-Density Foam
    • Filtration System: 4-Stage Filtration
    • Color: Blue Filter Housing + Black Sponge
    • Compatibility: CatOasis AquaFlow™ Stainless Steel Cat Water Fountain
    • Recommended Replacement:Filter Cartridge: Every 2–4 weeksPre-Filter Sponge: Every 2 weeks
    • Pet Type: Cats & Small Dogs
    • Package Options:3-Pack6-Pack9-Pack

    Due to high order volume, there may be a slight delay in dispatch. Rest assured, all orders ship within 24–48 hours. Depending on your location, delivery typically takes 7–14 business days.

    We ship internationally, though a small number of remote islands are excluded. If your country appears at checkout, we ship there. All orders include free tracked international shipping at no additional cost.

    Priority tracked shipping is also available and recommended for faster delivery and prioritized processing.

    View full details

    Cleaner Water, Every Day

    A multi-stage filtration system helps keep your cat's drinking water fresher, cleaner, and more appealing between fountain cleanings.

    Outer Cotton Layer

    Traps loose fur, food particles, dust, and everyday debris before they circulate through the fountain.

    Activated Carbon

    Helps reduce unpleasant odors and tastes, encouraging cats to drink more throughout the day.

    Ion Exchange Resin

    Works to reduce common impurities found in tap water for a cleaner drinking experience.

    Fine Mesh Filter

    Captures remaining particles and helps maintain clear, continuously filtered water.

    Fresh Water Cats Love

    Cats can be surprisingly picky when it comes to drinking water. Regular filter replacement helps keep fountain water cleaner, fresher, and more appealing every day.For best results, replace your filter every 2–4 weeks.
    ✅ Helps maintain crystal-clear water
    ✅ Reduces odors and unwanted impurities
    ✅ Encourages healthy daily hydration
    ✅ Simple, mess-free replacement

    Cleaner, Fresher Water Your Cat Will Love

    Our advanced multi-layer filtration system helps remove hair, debris, and everyday impurities while keeping water fresher and more appealing to drink.

    ✅ Helps trap hair, dust, and floating particles
    ✅ Reduces odors and improves water freshness
    ✅ Encourages healthy daily hydration
    ✅ Keeps fountain water cleaner between cleanings

    Questions & Answers

    The Things Every Mom Wants to Know First

    How often should I replace the filter?

    For the best water quality, we recommend replacing the filter every 2–4 weeks. If you have multiple cats or notice the filter becoming dirty sooner, replace it more frequently.

    The pre-filter sponge should be replaced every 2 weeks. It captures hair and larger debris before they reach the main filter, helping extend the life of the filter cartridge and keeping the pump running efficiently.

    These replacement filters are designed specifically for the CatOasis AquaFlow™ Pro Stainless Steel Cat Water Fountain. Please compare the filter shape with your current filter before purchasing.

    Each filter features a multi-stage filtration system that helps:

    • Remove pet hair and debris
    • Reduce odors and unpleasant tastes
    • Filter heavy metals and impurities
    • Keep water cleaner and fresher for longer

    Yes. We recommend rinsing the filter under clean running water for 30–60 seconds before installation. This helps remove any loose carbon dust, which is completely harmless.

    No. The filter is designed for single-use only. Washing it will not restore its filtration performance and may reduce its effectiveness.

    This is completely normal. The discoloration is caused by minerals, dirt, pet hair, and impurities collected from the water. It is a sign that the filter is doing its job and should be replaced.

    To maximize filter life:

    • Replace the water regularly.
    • Clean the fountain every week.
    • Rinse the pre-filter sponge during cleaning.
    • Keep the water level above the minimum line.

    3-Pack – Perfect for about 2–3 months of use.

    6-Pack – A great value for regular use, lasting around 4–6 months.

    9-Pack – Best value for multi-cat households or long-term convenience.

    If your package arrives damaged or there's an issue with your order, simply contact our support team. We'll be happy to help with a replacement or solution as quickly as possible.

    Real experiences from customers who make clean hydration a daily priority.

    • I noticed a difference after the first filter change. The water stays clear much longer, and my cat drinks from the fountain more often. The sponge catches so much fur before it reaches the pump. Definitely worth keeping on hand.

      Lauren P.

    • These filters fit my CatOasis fountain perfectly. Installation takes less than a minute, and I love that each filter is individually sealed. Buying the larger pack saves money and means I never run out.

      Brianna S.

    • My cat is very picky about fresh water, but replacing the filter every few weeks keeps the fountain smelling clean and tasting fresh. It's a simple routine that makes a big difference.

      Natalie W.

    • The pre-filter sponge collects way more hair than I expected. Cleaning the fountain has become much easier, and the pump has stayed quieter since I started replacing both the filter and sponge regularly.

      Rachel K.

    • I ordered the 9-pack because we have three cats. The quality is excellent, the filters fit exactly like the originals, and the water always looks crystal clear. Great value for multi-cat households.

      Tyler H