{"product_id":"fluval-underwater-filter","title":"Fluval U-Series Internal Underwater Filter","description":"\u003cp\u003eAchieve crystal-clear water clarity and superior biological stability with the \u003cb\u003eFluval U-Series Internal Underwater Filter\u003c\/b\u003e. Engineeered for freshwater, marine, and reptile aquariums, the Fluval U-Series offers complete 3-stage filtration (mechanical, chemical, and biological) housed in a compact, underwater design. With its versatile 3-Way Flow Control and convenient flip-top media access, maintaining a healthy aquatic ecosystem has never been simpler or more efficient for hobbyists of all experience levels.\u003c\/p\u003e\n\u003ch3\u003eQuick Reference \u0026amp; Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequirement \/ Specification\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\u003eFilter Types \u0026amp; Tank Sizing\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e• \u003cb\u003eU1:\u003c\/b\u003e Up to 55 L (15 US Gal)\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e• \u003cb\u003eU2:\u003c\/b\u003e 45 to 110 L (12–30 US Gal)\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e• \u003cb\u003eU3:\u003c\/b\u003e 90 to 150 L (24–40 US Gal)\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e• \u003cb\u003eU4:\u003c\/b\u003e 130 to 240 L (34–65 US Gal)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFlow Rates\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eU1 (250 L\/h), U2 (400 L\/h), U3 (600 L\/h), U4 (1000 L\/h)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFiltration Stage System\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eComplete 3-Stage Filtration (Foam Pad, Poly\/Carbon Cartridge, BioMax Biological Media)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFlow Orientation \u0026amp; Position\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual Placement: Vertical (tank wall) or Horizontal (shallow\/turtle tanks or waterfalls)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWater Type Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater, Saltwater Marine, and Terrarium\/Reptile Habitats\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fluval","offers":[{"title":"U1 Underwater Filter up to 55 L","offer_id":56625767678292,"sku":"A465","price":24.32,"currency_code":"EUR","in_stock":true},{"title":"U2 Underwater Filter up to 110 L","offer_id":56625767711060,"sku":"A470","price":36.71,"currency_code":"EUR","in_stock":true},{"title":"U3 Underwater Filter up to 150 L","offer_id":56625767743828,"sku":"A475","price":47.42,"currency_code":"EUR","in_stock":true},{"title":"U4 Underwater Filter up to 240 L","offer_id":56625767776596,"sku":"A480","price":62.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/u1.jpg?v=1785399490","url":"https:\/\/www.tropicalmarineaquatic.com\/products\/fluval-underwater-filter","provider":"Tropical Marine Aquatic","version":"1.0","type":"link"}