{"product_id":"modular-aquarium-filter-tower-kit-reusable-filter-sock-replacement-for-reef-tanks-and-sumps","title":"Modular Aquarium Filter Tower Kit, Reusable Filter Sock Replacement for Reef Tanks and Sumps","description":"\u003cp\u003eThis modular aquarium filter tower replaces conventional filter socks in compatible reef aquariums, nano tanks, all-in-one systems, and sumps. Its rigid, reusable structure directs water through stackable modules instead of collapsible fabric.\u003c\/p\u003e\u003cp\u003eTwist-lock modules let you arrange filtration around your aquarium’s needs. Short modules accommodate filter floss or pads, while tall cage, tube, and cup modules support carbon, GFO, biomedia, floss, or pads according to the module style.\u003c\/p\u003e\u003cp\u003eStarter kits are offered for 2-inch, 2.75-inch, 4-inch, and 7-inch filter sock chambers. Mount styles vary by size and include circle, square, rectangle, and oval designs for the listed aquarium or sump systems.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eInterchangeable twist-lock construction supports an expandable filtration stack.\u003c\/li\u003e\n\u003cli\u003eSupports mechanical, chemical, and biological filtration using compatible media.\u003c\/li\u003e\n\u003cli\u003eCage modules have an open design that allows water to enter and exit from all sides.\u003c\/li\u003e\n\u003cli\u003eTube modules use solid sidewalls and bottom-only flow to direct water downward through media.\u003c\/li\u003e\n\u003cli\u003eCup modules accept floss, pads, carbon, GFO, and biomedia.\u003c\/li\u003e\n\u003cli\u003eMade from reef-safe PETG without raw metal or exposed magnets.\u003c\/li\u003e\n\u003cli\u003eRigid construction is designed for long-term saltwater use and will not collapse or deform.\u003c\/li\u003e\n\u003cli\u003eAvailable in black, white, blue, red, and orange.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eKit sizes: Red Sea Max Nano 2-inch, 2.75-inch, 4-inch, and 7-inch starter kits.\u003c\/li\u003e\n\u003cli\u003eAssembled dimensions: 2-inch kit is 8.25 inches high with a 58 mm mount; 2.75-inch kit is 11.5 inches high and 2.5 inches in diameter; 4-inch kit is 11.5 inches high and 4 inches in diameter; 7-inch kit is 9.75 inches high and 7 inches in diameter.\u003c\/li\u003e\n\u003cli\u003eThe 2-inch, 2.75-inch, and 4-inch kits each contain six components; the 7-inch kit contains five components.\u003c\/li\u003e\n\u003cli\u003eMount availability depends on kit size and includes circle, IM Nuvo Fusion square, IM MidSize rectangle, Tideline AIO Lagoon rectangle, NUVO SR60\/SR80\/SR120 square, ESHOPPS rectangle, and Trigger oval mounts.\u003c\/li\u003e\n\u003cli\u003eConfirm the filter sock opening and mount dimensions before ordering. An opening must be equal to or larger than the applicable mount diameter.\u003c\/li\u003e\n\u003cli\u003eA circle mount requires a circular filter sock opening. Rectangular media-basket slots require a compatible listed mount or modification.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eMeasure the filter sock opening and check the required mount shape before selecting a kit. For Innovative Marine molded socks, verify that the tank uses the specified MidSize or SR-Series holder; for Trigger sumps, confirm whether the 4-inch opening is oval or round.\u003c\/p\u003e","brand":"Printed Reef","offers":[{"title":"Red Sea Max Nano 2\" Starter Kit \/ Circle Mount \/ Black","offer_id":50324195508327,"sku":"SHP-0303-01782E","price":58.71,"currency_code":"USD","in_stock":true},{"title":"Red Sea Max Nano 2\" Starter Kit \/ Circle Mount \/ White","offer_id":50324195541095,"sku":"SHP-0303-04869F","price":58.71,"currency_code":"USD","in_stock":true},{"title":"Red Sea Max Nano 2\" Starter Kit \/ Circle Mount \/ Blue","offer_id":50324195573863,"sku":"SHP-0303-9A4E8F","price":58.71,"currency_code":"USD","in_stock":true},{"title":"Red Sea Max Nano 2\" Starter Kit \/ Circle Mount \/ Red","offer_id":50324195606631,"sku":"SHP-0303-6C66E7","price":58.71,"currency_code":"USD","in_stock":true},{"title":"Red Sea Max Nano 2\" Starter Kit \/ Circle Mount \/ 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