{"product_id":"cunina-16-pack-large-filter-cartridges-for-tetra-whisper-pf-filters-10-60-gallon-tanks","title":"Cunina 16-Pack Large Filter Cartridges for Tetra Whisper \u0026 PF Filters | 10–60 Gallon Tanks","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMeet Cunina’s 16-pack of large filter cartridges, designed to fit a broad range of aquarium filtration systems. Each cartridge measures 6.7 by 4.5 inches and arrives individually wrapped for clean storage and easy handling, making it convenient for households with multiple tanks in rotation. These cartridges are compatible with Tetra Whisper models (20i, 40i, IQ20\/30\/45\/60) as well as PF-series filters and Aqua Culture M, covering 10–60 gallon setups.\u003c\/p\u003e\n\n\u003ch3\u003eThree-stage filtration for clear water\u003c\/h3\u003e\n\u003cp\u003eThe filtration approach combines a dual-sided mesh to trap particles, activated carbon to address odors and metals, and a layered fiber to capture impurities. This combination supports reliable filtration across freshwater and turtle environments when used with compatible filter systems, helping maintain water clarity and overall tank cleanliness.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eBroad compatibility across models: 20i, 40i, IQ20\/30\/45\/60, PF20\/30\/40\/60, and similar cartridge systems.\u003c\/li\u003e\n  \u003cli\u003eActivated carbon delivers odor control and improves water quality by addressing heavier contaminants.\u003c\/li\u003e\n  \u003cli\u003eReady-to-use design: fully assembled with no extra installation required.\u003c\/li\u003e\n  \u003cli\u003eLong multi-tank value: 16 cartridges in one pack to support regular maintenance across tanks.\u003c\/li\u003e\n  \u003cli\u003eEasy maintenance: soak 5 minutes, rinse 30 seconds before use, and insert into the chamber with a full fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMaintenance, installation, and daily use\u003c\/h3\u003e\n\u003cp\u003eTo prepare for use, soak the new cartridges in aquarium water for about 5 minutes and rinse for 30 seconds. When replacing, remove the used cartridge, flush the new one with cool water, and insert until it sits fully in the flushing chamber. This approach is suitable for Tetra Whisper or similar cartridge systems.\u003c\/p\u003e\n\n\u003ch3\u003ePractical benefits for your aquariums\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePotentially improved water clarity that helps showcase fish colors and plant life.\u003c\/li\u003e\n  \u003cli\u003eConsistent filtration across tanks with a uniform replacement schedule.\u003c\/li\u003e\n  \u003cli\u003e convenient packaging and wrappers support clean storage between tank rotations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Brand names and\/or trademarks are used solely for product description and device identification. Errors reserved.\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: Are Cunina filter cartridges compatible with Tetra Whisper and PF filters?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They fit Tetra Whisper models 20i\/40i and IQ series, PF20\/30\/40\/60, and similar cartridge systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What maintenance schedule is recommended for these cartridges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Replace monthly to maintain water quality; designed for 10–60 gallon tanks and multi-tank setups.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Cunina","offers":[{"title":"Default Title","offer_id":40564110721153,"sku":"B0DG5T8GMF","price":86.35,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/cunina-16pack-filter-cartridges-packaging-storage.jpg?v=1765908557","url":"https:\/\/petiva.ca\/products\/cunina-16-pack-large-filter-cartridges-for-tetra-whisper-pf-filters-10-60-gallon-tanks","provider":"Petiva","version":"1.0","type":"link"}