{"product_id":"fluval-u1-underwater-filter-foam-pad","title":"Fluval U Series Filter Foam Pad","description":"\u003cp\u003eMaintain crystal-clear water and a healthy aquatic environment with \u003cb\u003eFluval U-Series Replacement Filter Foam Pads\u003c\/b\u003e. Specifically engineered as the vital first stage (Stage 1) in your Fluval U-Series internal filter, these high-density mechanical foam pads effectively trap coarse debris, floating particles, uneaten food, and organic waste before they can clog downstream filter media. Featuring a precision-cut design to prevent un-filtered water bypass, this foam provides consistent water flow and durable filtration for both freshwater and marine aquariums.\u003c\/p\u003e\n\u003ch3\u003eQuick Reference \u0026amp; Product Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification \/ Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eCompatible Filter Models\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFluval U1, U2, U3, and U4 Internal Aquarium Filters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePrimary Filtration Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStage 1 Mechanical Filtration (Debris \u0026amp; Waste Capture)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eSecondary Function\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSurface area colonization for beneficial nitrifying bacteria\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eAquarium Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater, Marine, and Reptile Environments\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eRecommended Maintenance\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRinse every 2–4 weeks in tank water; replace every 3–6 months\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eMaterial Composition\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNon-toxic, open-cell poly-foam matrix\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fluval","offers":[{"title":"U1  Filter Foam Pad","offer_id":56596377338196,"sku":"A485","price":1.46,"currency_code":"EUR","in_stock":true},{"title":"U2  Filter Foam Pad","offer_id":56596377370964,"sku":"A486","price":1.58,"currency_code":"EUR","in_stock":true},{"title":"U3  Filter Foam Pad","offer_id":56596377403732,"sku":"A487","price":1.55,"currency_code":"EUR","in_stock":true},{"title":"U4  Filter Foam Pad","offer_id":56596377436500,"sku":"A488","price":3.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/U1_Filter_Foam_Pad.jpg?v=1785267848","url":"https:\/\/www.tropicalmarineaquatic.com\/products\/fluval-u1-underwater-filter-foam-pad","provider":"Tropical Marine Aquatic","version":"1.0","type":"link"}