{"product_id":"shurex-12-pack-replacement-filter-cartridges-xs-for-small-tanks-under-3-gallons","title":"ShuRex 12-Pack Replacement Filter Cartridges XS for Small Tanks (Under 3 Gallons)","description":"\u003cdiv class='\\\"seo-desc\\\"'\u003e\n\u003ch2\u003eShuRex XS Replacement Filter Cartridges — Small Tank Filtration, Simplified\u003c\/h2\u003e\n\u003cp\u003eFor compact aquariums, keeping water clear and fish thriving is a daily priority. ShuRex 12 pack of XS replacement cartridges is designed to slot into Whisper Extra Small filters and to fit other small tank kits up to 3 gallons. The compact 2.2 in by 2.2 in footprint makes it easy to maintain space on busy desktop or rimless setups while delivering dependable filtration that complements a vibrant underwater scene.\u003c\/p\u003e\n\u003cp\u003eThese cartridges use a deliberate three layer filtration design that balances debris capture with odor control. The outer microfiber layers act like a fine net, catching solid waste, uneaten food, and particulates, while the inner activated carbon targets discoloration and odors. The result is water that looks clearer and invites a closer look at your fish during feeding, play, or quiet observation after lights out.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTwo microfiber filtration layers trap debris and particulates; the inner carbon layer helps reduce odors and discoloration for brighter water.\u003c\/li\u003e\n\u003cli\u003eReplacement is designed to be clean and straightforward, so you can swap cartridges with minimal contact with water.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMaintenance guidance helps you keep filtration performing at its best. If you notice reduced water flow, replace the cartridge every 3 to 4 weeks to maintain steady filtration and a clear view of the tank inhabitants.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12-pack provides a long term supply for ongoing upkeep and consistent filtration quality.\u003c\/li\u003e\n\u003cli\u003eCost-efficient choice that supports regular replacement without sacrificing performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFit and compatibility matter for hassle-free setup. ShuRex XS cartridges are designed for Whisper Extra Small filters, AquaCulture kits up to 3 gallons, and they are compatible with Top Fin EF-S and other small filters. Please check compatibility before purchasing to ensure a secure fit. In some setups they can replace imagitarium H Mini Filter Cartridges or Betta fish tank XS cartridges as noted by product guidelines.\u003c\/p\u003e\n\u003cp\u003eIn real-world use, these cartridges can help maintain water that makes fish observations easier and more enjoyable. Expect a calmer routine during weekly maintenance, a tank that feels lighter to the eye, and water that supports the natural color and activity of your aquatic life. While results vary by tank and stocking, ShuRex XS cartridges offer a practical option for users seeking reliable replacement filters in small aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which tanks are ShuRex XS replacement cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for Whisper Extra Small filters and AquaCulture kits up to 3 gallons; also compatible with Top Fin EF-S. Check compatibility before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace ShuRex XS cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 3 to 4 weeks if you notice reduced water flow or visible debris buildup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ShuRex","offers":[{"title":"Default Title","offer_id":53561573736777,"sku":"B0DK1B3WGX","price":27.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/shurex-12-pack-replacement-filter-xs-packaging.jpg?v=1766448123","url":"https:\/\/petvita.co.uk\/products\/shurex-12-pack-replacement-filter-cartridges-xs-for-small-tanks-under-3-gallons","provider":"Petvita","version":"1.0","type":"link"}