{"product_id":"cunina-12-pack-replacement-filter-cartridges-xs-for-tetra-whisper-xs-small-3-gallon-aquariums","title":"Cunina 12-Pack Replacement Filter Cartridges XS for Tetra Whisper XS \u0026 Small 3-Gallon Aquariums","description":"\u003cp\u003eMeet Cunina’s 12-pack Replacement Filter Cartridges XS, thoughtfully designed for compact filters and small tanks. Specifically optimized for Tetra Whisper XS and similar mini-filter systems, this pack aims to support small aquariums up to 3 gallons. If you’re maintaining a nano setup, these cartridges offer a straightforward way to keep your water looking clear and your fish comfortable without crowding your space.\u003c\/p\u003e\n\n\u003ch3\u003eThree-layer filtration for clearer water\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOuter microfibre layer (dual-layer) traps solid debris and fish waste.\u003c\/li\u003e\n  \u003cli\u003eInner activated carbon targets odors and organic pollutants for improved clarity.\u003c\/li\u003e\n  \u003cli\u003eOverall effect: supports a tidy appearance and can lessen the frequency of full-water changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEasy, mess-free installation\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCartridges arrive pre-assembled for quick and clean replacement.\u003c\/li\u003e\n  \u003cli\u003eSwap without wet hands or filter disassembly, ideal for busy hobbyists.\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit a range of small filters beyond Tetra Whisper XS.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLong-lasting and cost-effective, this 12-pack provides a practical filtration solution for the year ahead. Replacing every 3 to 4 weeks helps maintain steady water flow and clarity in compact setups, making routine maintenance simpler without sacrificing performance.\u003c\/p\u003e\n\n\u003ch3\u003eWide compatibility and fit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePrimarily compatible with Tetra Whisper XS and other small filters; compatibility with AquaCulture and similar models is noted.\u003c\/li\u003e\n  \u003cli\u003eSuitable for tanks up to 4 gallons; cartridge size is about 2.2\" x 2.2\".\u003c\/li\u003e\n  \u003cli\u003eCompact form factor is ideal for nano tanks and spaces with limited clearance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eIn practice, these cartridges offer a practical option for hobbyists managing small aquariums where space and ease of use matter. They pair well with basic filtration to help maintain a balanced, visually appealing aquarium environment.\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 is Cunina 12-Pack XS Replacement Filter Cartridges suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Ideal for small tanks up to 3 gallons, compatible with Tetra Whisper XS and similar compact filters.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should you replace Cunina XS filter cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace every 3 to 4 weeks to maintain filtration performance in small aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cunina","offers":[{"title":"Default Title","offer_id":40601586794625,"sku":"B0F3JHRQ9R","price":49.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/cunina-12pack-xs-filter-cartridges-packaging.jpg?v=1769387707","url":"https:\/\/petiva.ca\/products\/cunina-12-pack-replacement-filter-cartridges-xs-for-tetra-whisper-xs-small-3-gallon-aquariums","provider":"Petiva","version":"1.0","type":"link"}