{"product_id":"shurex-12-pack-replacement-filter-cartridges-xs-for-tetra-whisper-extra-small-3-gallon-aquarium-kits","title":"ShuRex 12 Pack Replacement Filter Cartridges XS for Tetra Whisper Extra Small \u0026 3-Gallon Aquarium Kits","description":"\u003ch2\u003eCompact filtration for small tanks\u003c\/h2\u003e\n\u003cp\u003eShuRex XS replacement cartridges are designed for Whisper Extra Small filters and other compact systems in aquariums up to 3 gallons. With a slim 2.2\" x 2.2\" footprint, they slide into place in many hobbyist setups, helping you maintain a clean, clear view of your aquatic display. Whether you’re upgrading a betta tank, nano setup, or small community tank, these cartridges are built to fit tightly and perform consistently, so you can enjoy the scenery without fuss.\u003c\/p\u003e\n\n\u003ch2\u003eThree-layer filtration that works\u003c\/h2\u003e\n\u003cp\u003eThe cartridge uses a three-layer approach: a double-layer microfiber layer to trap debris and fish waste, plus an inner activated carbon core to reduce odors and discoloration. This combination can support a crisper water appearance and a more inviting viewing experience in day-to-day conditions.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eThree-layer design with double-layer microfiber for debris and waste capture\u003c\/li\u003e\n\u003cli\u003eInner activated carbon helps manage odors and discoloration\u003c\/li\u003e\n\u003cli\u003eSupports clearer water and enhanced tank presentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSimple maintenance and long-term value\u003c\/h2\u003e\n\u003cp\u003eReplacement is straightforward and often requires no messy wet hands. If you notice reduced water flow, a quick cartridge swap is a sensible maintenance step. This 12-pack offers a cost-effective, year-long supply for compatible small filters.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eEasy to install with minimal mess\u003c\/li\u003e\n\u003cli\u003eReplace every 3–4 weeks if flow slows to maintain efficiency\u003c\/li\u003e\n\u003cli\u003e12-pack provides a convenient, affordable year-long refill option\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Please check compatibility with your specific model before purchasing to ensure a proper fit.\u003c\/em\u003e\u003c\/p\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: What tanks are ShuRex XS cartridges compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with Whisper Extra Small filters, AquaCulture kits up to 3 gallons, and other small HOB filters; please verify fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace the cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 3–4 weeks if flow slows; the 12-pack provides a year’s supply.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ShuRex","offers":[{"title":"Default Title","offer_id":57207797055865,"sku":"B0DK1B3WGX","price":22.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/8934\/1049\/files\/shurex-xs-packaging-box.jpg?v=1777872992","url":"https:\/\/petlyvox.com\/products\/shurex-12-pack-replacement-filter-cartridges-xs-for-tetra-whisper-extra-small-3-gallon-aquarium-kits","provider":"petlyvox","version":"1.0","type":"link"}