{"product_id":"aquarium-internal-sponge-filter-water-circulation-oxygenation","title":"Aquarium Internal Sponge Filter – Oxygenation \u0026 Water Circulation","description":"\n\u003ch2\u003eAquarium Internal Sponge Filter with Suction Cup Mount\u003c\/h2\u003e\n\u003cp\u003eKeep your fish tank clean, clear, and well-oxygenated with this versatile internal sponge filter. Designed for both filtration and water circulation, it draws debris and waste through a high-quality sponge media while simultaneously aerating the water — creating a healthy aquatic environment for your fish. Available in multiple power sizes to suit tanks of all volumes, from compact desktop setups to large aquariums.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Function Design:\u003c\/strong\u003e Combines mechanical filtration, water circulation, and oxygenation in a single compact unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuction Cup Mounting:\u003c\/strong\u003e Secure suction cup feet keep the filter firmly in place at the bottom or side of your aquarium.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Size Options:\u003c\/strong\u003e Seven power variants (800F–807F) to match your specific tank size and flow requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDry-Burn Protection:\u003c\/strong\u003e Models 15W and above feature an anti-dry-burn safety function for added peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Construction:\u003c\/strong\u003e Made from sturdy, water-safe plastic built for long-term aquatic use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Maintenance:\u003c\/strong\u003e Sponge media is simple to rinse and reuse, saving you time and money.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:14px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f0f0f0;\"\u003e\n      \u003cth style=\"border:1px solid #ccc; padding:6px;\"\u003eModel\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ccc; padding:6px;\"\u003ePower\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ccc; padding:6px;\"\u003eFlow Rate\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ccc; padding:6px;\"\u003eLift Height\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ccc; padding:6px;\"\u003eDimensions (cm)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e800F\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e4W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e450 L\/H\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e0.6 M\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e6×4×14\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e801F\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e6W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e600 L\/H\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e0.8 M\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e6×4×14\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e802F\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e15W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e800 L\/H\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e1.0 M\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e9×7×20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e803F\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e20W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e1500 L\/H\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e1.2 M\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e10×7×22\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e805F\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e25W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e1700 L\/H\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e1.6 M\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e11×7×30\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e806F\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e35W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e2450 L\/H\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e2.0 M\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e11×7×38\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e807F\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e45W\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e3000 L\/H\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e2.4 M\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc; padding:6px;\"\u003e13×7×47\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eUsage Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFor best suction performance, position the bottom of the waste compartment as close to the tank floor as possible.\u003c\/li\u003e\n  \u003cli\u003eModels 15W and above include anti-dry-burn protection — ideal for continuous operation.\u003c\/li\u003e\n  \u003cli\u003eIn smaller tanks, lower-power models are recommended to avoid excessive water movement that could stress fish.\u003c\/li\u003e\n  \u003cli\u003eNote: Water pipes\/tubing are \u003cstrong\u003enot included\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Aquarium Internal Sponge Filter (model of your choice)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-extended-straw-vacuum-cleaner-aquarium-water-exchanger-simple-cleaning-tool-multi-functional\"\u003e1PC Extended Straw Vacuum Cleaner Aquarium Water Exchanger – Simple Cleaning Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-soap-box-bamboo-and-wood-hotel-bathroom-soap-holder-home-simple-drain-soap-box-1\"\u003e1PC Bamboo \u0026amp; Wood Soap Box with Drain\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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 model aquarium internal sponge filter should I choose for my tank?\u003c\/h4\u003e\n\u003cp\u003eA: Choose based on your tank's water volume. The 800F (4W, 450 L\/H) and 801F (6W, 600 L\/H) are ideal for small or nano tanks. The 802F–803F suit medium aquariums, while the 805F–807F are designed for large tanks requiring high flow rates up to 3000 L\/H. As a general guide, your filter should cycle the total tank water volume at least 4–6 times per hour.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this aquarium filter come with water pipes or tubing?\u003c\/h4\u003e\n\u003cp\u003eA: No, water pipes or tubing are not included with this sponge filter. You will need to source compatible tubing separately based on your aquarium setup and the outlet size of the model you select.\u003c\/p\u003e\n\u003ch4\u003eQ: Why are there fewer bubbles when the filter is placed at the bottom of the tank?\u003c\/h4\u003e\n\u003cp\u003eA: This is completely normal. When the filter is positioned deeper in the tank, the increased water pressure and depth can reduce the visible bubble output from the oxygenation function. The filtration and circulation performance are not affected — you can use it with confidence at any depth.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this internal sponge filter safe to run continuously?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Models 15W and above (802F–807F) include an anti-dry-burn safety feature, making them suitable for extended continuous operation. Lower-power models (800F, 801F) should be monitored to ensure they remain submerged at all times during use.\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 model aquarium internal sponge filter should I choose for my tank?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Choose based on your tank's water volume. The 800F (4W, 450 L\/H) and 801F (6W, 600 L\/H) are ideal for small or nano tanks. The 802F–803F suit medium aquariums, while the 805F–807F are designed for large tanks requiring high flow rates up to 3000 L\/H. 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