{"product_id":"fluval-u2-poly-carb-cartridge-2-pack-a490-replacement-underwater-filter-media","title":"Fluval U2 Poly-Carb Cartridge 2-Pack A490 | Replacement Underwater Filter Media","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Fluval U2 Poly-Carb Cartridge is a two‑sided filtration media designed to work with the Fluval U2 Underwater Filter. It blends chemical filtration with mechanical debris capture to support a balanced aquarium environment in a compact setup.\u003c\/p\u003e\n\n\u003ch3\u003eTwo‑sided filtration for thorough chemical filtration\u003c\/h3\u003e\n\u003cp\u003eOne side uses a polyester filter pad to trap fine debris and particulates. The opposite carbon‑infused side targets dissolved substances, helping to minimize odors, colorants, and common contaminants that can cloud water. This dual approach acts as an important second stage in your filtration chain, complementing biological and mechanical filtration.\u003c\/p\u003e\n\n\u003ch3\u003eWhy it matters for your tank\u003c\/h3\u003e\n\u003cp\u003eClearer water and more stable conditions often follow consistent filtration. While experiences vary, this cartridge is designed to support ongoing tank cleanliness by reducing dissolved substances and particulate buildup, which can help your fish and plants show their best color and vitality.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits at a glance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChemical filtration with two unique sides for thorough cleaning\u003c\/li\u003e\n  \u003cli\u003ePolyester side captures fine debris and particulates\u003c\/li\u003e\n  \u003cli\u003eCarbon side reduces odors, colorants, and dissolved substances\u003c\/li\u003e\n  \u003cli\u003eSuitable for freshwater, saltwater, or reptile environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how to use\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes two cartridges designed for use with the Fluval U2 Underwater Filter\u003c\/li\u003e\n  \u003cli\u003eDesigned for quick replacement during routine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFluval has a long history dating back to 1975, known for pioneering filtration technology. This cartridge reflects Fluval’s focus on reliable, well‑designed aquarium products suitable for a wide range of hobbyists. It’s compatible with various tank sizes and setups, making it suitable for diverse freshwater, saltwater, and reptile habitats.\u003c\/p\u003e\n\n\u003ch3\u003eEasy maintenance and compatibility\u003c\/h3\u003e\n\u003cp\u003eFor best results, pair these cartridges with your regular filtration schedule and replace as part of routine care. The product is purpose‑built for the Fluval U2 system, helping you maintain clear water with less guesswork.\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 environments is the Fluval U2 Poly-Carb Cartridge suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Suitable for freshwater, saltwater, and reptile setups when used with Fluval U2.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the dual-sided filtration work?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The polyester side captures fine debris; the carbon side removes odors and colorants, delivering chemical filtration.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":53560734875977,"sku":"B001XRR3YA","price":15.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/fluval-u2-poly-carb-cartridge-pack-a490.jpg?v=1766437378","url":"https:\/\/petvita.co.uk\/products\/fluval-u2-poly-carb-cartridge-2-pack-a490-replacement-underwater-filter-media","provider":"Petvita","version":"1.0","type":"link"}