{"product_id":"cunina-replacement-filter-cartridges-xs-for-tetra-whisper-xs-3-gallon-small-tanks-6-pack","title":"Cunina Replacement Filter Cartridges XS for Tetra Whisper XS \u0026 3-Gallon Small Tanks – 6 Pack","description":"\u003ch2\u003eCompact tank filtration that fits your setup\u003c\/h2\u003e\n\u003cp\u003eMeet Cunina XS replacement filter cartridges, engineered for ultra-compact aquariums. These cartridges are designed to fit Tetra Whisper XS and other small filters, making them ideal for tanks up to 3 gallons. The 6 pack provides a ready supply for regular maintenance without frequent shopping, helping you keep a neat, visually pleasing home for your aquatic life.\u003c\/p\u003e\n\n\u003ch3\u003eTriple filtration for clearer water\u003c\/h3\u003e\n\u003cp\u003eEach cartridge combines a dual-layer microfiber outer shell with an activated carbon inner layer. The microfiber captures solid debris and fish waste, while the carbon targets odors and dissolved pollutants. The result is water that appears cleaner between changes and a more stable tank environment for your inhabitants.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMicrofiber outer layer traps debris and waste for steady flow\u003c\/li\u003e\n  \u003cli\u003eActivated carbon inner layer reduces odors and organic compounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEasy, mess-free installation\u003c\/h3\u003e\n\u003cp\u003eCartridges arrive pre assembled for quick swaps. Replace them without wet hands, which is especially convenient on busy days or when you’re tending several small tanks.\u003c\/p\u003e\n\n\u003ch3\u003eVersatile compatibility for small filters\u003c\/h3\u003e\n\u003cp\u003eDesigned to work with Tetra Whisper XS and a range of other compact filters, these cartridges offer flexibility for different small tank setups while keeping equipment tidy and unobtrusive.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eFits tanks up to 3 gallons, with compatibility to select filters up to 4 gallons\u003c\/li\u003e\n  \u003cli\u003eDual filtration plus activated carbon design supports longer, consistent filtration cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaintenance that fits your routine\u003c\/h3\u003e\n\u003cp\u003eReplace every 3 to 4 weeks based on feeding, fish load, and water clarity. The six-pack delivers ongoing supply, helping you maintain a steady filtration rhythm without frequent restocking.\u003c\/p\u003e\n\n\u003ch3\u003eRealistic expectations\u003c\/h3\u003e\n\u003cp\u003eThese cartridges are designed to support a healthy-looking tank through improved water appearance and odor control. Benefits are presented as possibilities, contingent on your specific setup and maintenance practices.\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: Which filters are Cunina Replacement Filter Cartridges XS compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit Tetra Whisper XS and many small filters designed for up to about 3 gallons.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I replace these cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Typically every 3–4 weeks, depending on tank load and water clarity. A 6-pack provides ongoing supply.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cunina","offers":[{"title":"Default Title","offer_id":53770531668297,"sku":"B0F3JKC4C7","price":20.81,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/cunina-replacement-filter-xs-tetra-whisper-xs-package.jpg?v=1769817994","url":"https:\/\/petvita.co.uk\/products\/cunina-replacement-filter-cartridges-xs-for-tetra-whisper-xs-3-gallon-small-tanks-6-pack","provider":"Petvita","version":"1.0","type":"link"}