{"product_id":"aquarium-604-canister-filter-4-piece-sponge-cartridge-set","title":"Aquarium 604 Canister Filter 4-Piece Sponge \u0026 Cartridge Set","description":"\n\u003ch2\u003eKeep Your Aquarium Crystal Clear with the 604 External Canister Filter Set\u003c\/h2\u003e\n\u003cp\u003eUpgrade your aquarium's filtration system with the \u003cstrong\u003eAquarium Filter 604 4-Piece Set\u003c\/strong\u003e, designed to fit EW-604 and HW-604 external canister filters. This complete replacement kit includes pre-filter sponges and filter cartridges, ensuring your tank water stays clean, clear, and healthy for your fish. Whether you're maintaining a freshwater community tank or a larger setup, this comprehensive filter media set delivers reliable mechanical and biological filtration performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose the 604 Canister Filter Set?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete 4-Piece Kit:\u003c\/strong\u003e Includes all the filter media you need — pre-filter sponges and filter cartridges — so you can maintain peak filtration without hunting for individual parts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with EW-604 \u0026amp; HW-604:\u003c\/strong\u003e Engineered specifically for 604-series external canister filters, ensuring a precise, secure fit with no guesswork.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Stage Filtration:\u003c\/strong\u003e The pre-filter sponge captures larger debris before it reaches the cartridge, extending the life of your filter media and reducing maintenance frequency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePromotes a Healthy Aquatic Environment:\u003c\/strong\u003e Effective mechanical and biological filtration removes waste, excess nutrients, and impurities, supporting the well-being of your fish and aquatic plants.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Replacement:\u003c\/strong\u003e Simple swap-out design means filter changes are quick and hassle-free — keeping your aquarium looking its best with minimal effort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Materials:\u003c\/strong\u003e Made from high-quality, aquarium-safe materials that hold up to continuous submersion without degrading or leaching harmful substances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-filter sponge (fits 604-series pre-filter housing)\u003c\/li\u003e\n  \u003cli\u003eFilter cartridge media\u003c\/li\u003e\n  \u003cli\u003e4-piece complete set for a full filter refresh\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Models\u003c\/h3\u003e\n\u003cp\u003eThis filter set is designed for use with the \u003cstrong\u003eEW-604\u003c\/strong\u003e and \u003cstrong\u003eHW-604\u003c\/strong\u003e external canister filter systems. Always verify your model number before purchasing to ensure compatibility.\u003c\/p\u003e\n\n\u003ch3\u003eExplore More Products for Your Home\u003c\/h3\u003e\n\u003cp\u003eLooking for other handy home and kitchen solutions? Check out our \u003ca href=\"\/products\/1-piece-storage-tray-360-degree-refrigerator-storage-rotating-tray-used-for-kitchen-spice-jars-and-sundry-storage-turntable-1\"\u003e360-Degree Refrigerator Storage Rotating Tray\u003c\/a\u003e for organized kitchen spaces, or our \u003ca href=\"\/products\/1-foldable-food-cover-vegetable-cover-dining-table-cover-vegetable-umbrella-fly-and-dust-cover\"\u003eFoldable Food Cover \u0026amp; Dining Table Umbrella\u003c\/a\u003e to keep food fresh and protected.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fws.gov\/\" target=\"_blank\" rel=\"noopener\"\u003eU.S. Fish and Wildlife Service\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which canister filter models is this 4-piece set compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This aquarium filter set is specifically designed to fit the EW-604 and HW-604 external canister filter models. The pre-filter sponge and filter cartridges are sized precisely for these 604-series units. We recommend checking your filter model number before ordering to confirm compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How often should I replace the filter sponge and cartridge in my 604 canister filter?\u003c\/h4\u003e\n\u003cp\u003eA: As a general guideline, the pre-filter sponge can be rinsed and reused several times before needing replacement, while filter cartridges are typically replaced every 4–6 weeks depending on your tank's bio-load and water conditions. Having a full 4-piece set on hand means you're always prepared for timely maintenance without delays.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are the materials in this filter set safe for fish and aquatic plants?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. All materials in this 604 canister filter set are made from aquarium-safe components that are non-toxic and will not leach harmful substances into your tank water. They are designed for continuous use in freshwater aquarium environments to support a safe and thriving aquatic ecosystem.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which canister filter models is this 4-piece set compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This aquarium filter set is specifically designed to fit the EW-604 and HW-604 external canister filter models. The pre-filter sponge and filter cartridges are sized precisely for these 604-series units. We recommend checking your filter model number before ordering to confirm compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"How often should I replace the filter sponge and cartridge in my 604 canister filter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"As a general guideline, the pre-filter sponge can be rinsed and reused several times before needing replacement, while filter cartridges are typically replaced every 4–6 weeks depending on your tank's bio-load and water conditions. Having a full 4-piece set on hand means you're always prepared for timely maintenance without delays.\"}}, {\"@type\": \"Question\", \"name\": \"Are the materials in this filter set safe for fish and aquatic plants?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. All materials in this 604 canister filter set are made from aquarium-safe components that are non-toxic and will not leach harmful substances into your tank water. They are designed for continuous use in freshwater aquarium environments to support a safe and thriving aquatic ecosystem.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Aquarium 604 Canister Filter 4-Piece Sponge \u0026 Cartridge Set\", \"item\": \"https:\/\/pg0se5-51.myshopify.com\/products\/aquarium-604-canister-filter-4-piece-sponge-cartridge-set\"}]}\u003c\/script\u003e","brand":"Babs","offers":[{"title":"EW-604","offer_id":55376708010124,"sku":"14:173#EW-604","price":157.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/2862\/6316\/files\/Sb9dcc5b421da486b945ef4363ac80ef8U.webp?v=1788114031","url":"https:\/\/babcustomersupport.com\/products\/aquarium-604-canister-filter-4-piece-sponge-cartridge-set","provider":"Babs","version":"1.0","type":"link"}