# Zemiu Cat Water Fountain Filters 16 Pack \(8 Pet Filters + 8 Sponges\) – Triple Filtration replacements Zemiu 16-pack cat fountain filters \(8 filters + 8 sponges\) for compatible 3.2L/2.5L fountains—soak before use and replace every 2–4 weeks. - [Original product page](https://www.ofertitastop.com/uk/product/zemiu-cat-water-fountain-filters-16) - [View offer](https://www.ofertitastop.com/uk/visit/zemiu-cat-water-fountain-filters-16) - Market: UK - Language: en-GB - Currency: GBP - Product updated: 2026-10-28T06:51:15.396Z - SKU: ofertitastop-uk-76070 - Category: Animals & Pet Supplies > Pet Supplies > Cat Supplies > Cat Furniture Accessories - Source store: amazon UK - Active deal: Yes - Price: 15.99 GBP - Previous price: 17.99 GBP - Discount: 11% - Rating: 4.6 / 5 - Reviews: 314 Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store. ## Description If you’ve got a cat water fountain, the filters are the bit that quietly does the heavy lifting. This Zemiu Cat Water Fountain Filters pack is designed as replacement media for compatible 3.2L and 2.5L fountains (as shown in the listing images), with a triple-filtration approach aimed at keeping water fresher between cleans. The pack is clearly built for routine maintenance rather than “set and forget”. It’s also one of those purchases where compatibility matters more than the marketing: if your fountain isn’t one of the models pictured, it may not fit as expected. ## What it’s for, in plain terms These are replacement cat water fountain filters (and sponges) for water that recirculates through a fountain. The goal is straightforward: help keep the water cleaner by trapping junk and improving taste/clarity over time. Over a few weeks, your fountain water can pick up the usual “gunk” and organic particles, and a fresh filter is an easy way to reset that. A small practical example: if you notice the water looking slightly dull or there’s an odd smell building up, swapping in a new filter tends to be the simplest next step before you start changing cleaning routines or dismantling parts. ## The essentials: triple filtration plus what’s inside The listing describes a filter structure that combines a cotton layer, activated carbon, and ion exchange resin. In their own words, the cotton layer replaces plastic framing, which is relevant if you’re trying to avoid having lots of extra plastic bits as part of regular maintenance. From a buyer’s point of view, the useful bit here is the “mix”: cotton helps with physical trapping, activated carbon can help with water freshness, and ion exchange resin is there to tackle certain dissolved substances. It’s not magic, but as part of regular replacement it can make the fountain’s water feel cleaner for both you and your cat. One thing to bear in mind: the listing also suggests soaking the filters for about 3 minutes before use, which is the kind of step that’s easy to skip—until you realise the flow or effectiveness doesn’t feel as intended. ## What stands out day to day There are a couple of details that make this pack feel more “maintenance-friendly” than some generic replacements. - Each filter is individually packaged (white), which should help keep them intact and prevents the kind of messy storage issues you get when filters are loose. - The recommended replacement window is every 2–4 weeks, depending on use and how many cats are drinking. - The pack includes both filters and sponges (8 pieces of each), so you’re not juggling separate orders when it’s time to refresh. ## Where it may fall short No replacement filter set is perfect for every setup. The main limitation here is compatibility: the listing says this is compatible with cat water fountains of 3.2L and 2.5L shown in the images. If you have a different fountain model or capacity, you’ll want to double-check before buying. Also, while the listing mentions helping to reduce the risk of urinary tract infection by removing junk from water, it’s still wise to treat this as “support” rather than a medical solution. If your cat has urinary issues, you’d still follow veterinary advice. ## Specifications (from the listing) - Name: Zemiu cat water fountain filters (16 pcs total) - Pack contents: 8 pet filters + 8 sponges - Colour: White - Filtration layers: cotton layer, activated carbon, ion exchange resin - Compatibility stated: cat water fountains 3.2L and 2.5L (108oz, 84oz) shown in the listing images ## How to use and maintain them properly To get the best results “on paper”, follow the suggested prep and cadence. First, soak the cat filters for about 3 minutes before use. Then fit them according to your fountain’s filter housing (since the exact mechanism isn’t provided in the listing, you’ll need to match how your fountain takes replacement media). For maintenance, the listing recommends replacing the filters every 2–4 weeks depending on use and number of cats. If you’ve got multiple cats, you should expect the earlier end of that range. If the fountain is used lightly, you may stretch it towards the 4-week mark—though do keep an eye on how the water looks and smells. ## Is it worth it? This pack makes sense if you want regular, straightforward fountain maintenance for a compatible 3.2L or 2.5L cat water fountain (the specific models pictured). The combination of cotton, activated carbon and ion exchange resin, plus the inclusion of sponges, suits people who prefer to refresh the system on a consistent schedule rather than letting it drift. You may want to skip it if your fountain isn’t one of the compatible 3.2L/2.5L models shown in the listing images. It’s also not the best choice if you’re looking for a “once-in-a-long-time” replacement—because this kind of filter media works best with frequent changes. You’ll likely get the most out of it if you’re the sort of owner who checks the fountain periodically and tidies the routine when the filter cadence suggests it’s time. ## Quick answers (mini FAQ) ## How often should I replace these filters? The listing recommends replacing every 2–4 weeks, depending on use and the number of cats drinking. ## Do I need to soak the filters before fitting? Yes, the listing suggests soaking the cat filters for about 3 minutes before use. ## What do these filters contain? They’re described as having a cotton layer, activated carbon, and ion exchange resin. ## Are they suitable for any cat fountain? They’re stated as compatible with cat water fountains of 3.2L and 2.5L (108oz, 84oz) shown in the image. If your fountain is different, check compatibility first. ## What’s included in the 16-pack? There are 8 pieces of pet filters and 8 pieces of sponges. ## Images ![Zemiu Cat Water Fountain Filters 16 Pack \(8 Pet Filters + 8 Sponges\) – Triple Filtration replacements — 1](https://www.ofertitastop.com/i/7vbYNYPLVcNS-FBTrbAq8P7x1DX9Mwax5yqe0YMWoc5RuDNCYeGaIPdtlB6d69YuKZFq3KIur85cxqVoISZcRSjzC8oJQybrqoHSv7SAmyMlwyFJgwSkDRDB5g.jpg) ![Zemiu Cat Water Fountain Filters 16 Pack \(8 Pet Filters + 8 Sponges\) – Triple Filtration replacements — 2](https://www.ofertitastop.com/i/1U9rfC9q0t0F9RJN08sKutw1ATBjhJli-bhcCVq73BiDcTtZGO50ZBvbCu73vb_0I6piMb6zrl2ndZhHIcaRECxUuJuKfuGKwthIAp24oAa88FisRvL56T-s7g.jpg) ![Zemiu Cat Water Fountain Filters 16 Pack \(8 Pet Filters + 8 Sponges\) – Triple Filtration replacements — 3](https://www.ofertitastop.com/i/_CXl28vbjq70G9h1DMCqMJATuhWUTpOtAcM2vAKcuUrFPcTyhz3ItHEdfRHTHOGMdpma9Bl5h2eEalMajPhW_6kb9wEdMw4ak7sJqIPOqgUikzaoIe2O5VBtWA.jpg) ![Zemiu Cat Water Fountain Filters 16 Pack \(8 Pet Filters + 8 Sponges\) – Triple Filtration replacements — 4](https://www.ofertitastop.com/i/tis_c6LgGKY757nDUI6C8hoVnfbn0yW9KkeLCg0wCqHSZ3XkGw-hGbQUpNrPDUe1ojzsXW7c4sl8IbDVIIa7hlP66jtTAvAQeDgfjYgBIUqZvUC9QuIPS59jCg.jpg) ![Zemiu Cat Water Fountain Filters 16 Pack \(8 Pet Filters + 8 Sponges\) – Triple Filtration replacements — 5](https://www.ofertitastop.com/i/59DNh2pAEr2CYiSRiU5Q0w3nVlm__8YrlfOxdxwe9L1nloSJoaCMvK3TgUqwQOwqTTjjYzavuXB-eFprhEC8oJlvhqpozPh_8rdh35QuCsuYkNa3LJ8VV2E11g.jpg)