{"product_id":"round-thin-aquarium-fish-tank-filter-transparent-biochemical-sponge-filter-aquarium-biological-filter-submersible-water-pump","title":"Round Thin Aquarium Fish Tank Filter Transparent Biochemical Sponge Filter Aquarium Biological Filter Submersible Water Pump","description":"\u003cdiv\u003e\n\u003ch1\u003eRound Thin Aquarium Filter - Transparent Biochemical Sponge Filter for Small to Medium Tanks\u003c\/h1\u003e \u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S0fc12130502b40ef831780633ed088fbL.jpg\" alt=\"Aquarium filter close-up\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sab64f54dd5cf411e877dbc47ec7197f6h.jpg\" alt=\"Biochemical sponge filter in tank\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S83f4f85a569e4484a8c975d41629dd4cb.jpg\" alt=\"Transparent sponge filter assembled\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8ce1193aa8f54636a3e54b4caea44f26D.jpg\" alt=\"Small aquarium filter in corner\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7ad0a0d62d064cdea9ebafe8eb7f9546I.jpg\" alt=\"Sponge cartridge detail\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6d3bcd1f78dc43f6bc9a6a385c4c22bcu.jpg\" alt=\"Filter cartridge inside housing\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3f86c84d54d8410bbb5f7bccf7902946o.jpg\" alt=\"Aquarium setup with sponge filter\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8692dd7bfb5c4e2b90d2eb25c303835cF.jpg\" alt=\"Transparent filter in use\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S893b3bdc77c24d7cbb51c62008e14e9cE.jpg\" alt=\"Compact filtration unit\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2cf918e47f6d4c34a3346bfd635474913.jpg\" alt=\"Easy maintenance sponge\"\u003e\n\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S6d3bcd1f78dc43f6bc9a6a385c4c22bcu.jpg\" alt=\"Corner placement in tank\"\u003e \u003cp\u003e\nThis compact, transparent biochemical sponge filter is designed for small to medium freshwater aquariums. It offers simple, reliable filtration powered by an air pump, making it ideal for hobbyists who want an unobtrusive, easy-to-maintain solution that also supports healthy oxygenation.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCompact, corner‑fit design\u003c\/b\u003e: Slim, round form that tucks neatly into tank corners without crowding your space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTransparent biochemical sponge filtration\u003c\/b\u003e: Clear housing lets you observe flow while the sponge hosts beneficial bacteria to support the nitrogen cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAir-pump driven (not included)\u003c\/b\u003e: No separate electrical power needs; runs on a standard air pump with a single outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile use\u003c\/b\u003e: Works as the main filter for small tanks and as an auxiliary filter for larger tanks when paired with an air pump.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy maintenance\u003c\/b\u003e: Simple disassembly for quick cleaning and regular rinsing to maintain optimal flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterials and finish\u003c\/b\u003e: Made from durable plastic; color may vary slightly from the pictured design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUsage precautions\u003c\/b\u003e: Pre-soak the sponge in aquarium water for 5 minutes to promote nitrifying bacteria colonization; rinse with room-temperature water and never use hot water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIncluded components\u003c\/b\u003e: 1 piece aquarium biochemical sponge filter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis filter improves water quality by expanding oxygen solubility in the water and supporting a robust beneficial bacteria colony. It’s a practical choice for nano tanks, fry and shrimp setups, or as a dependable add-on for larger aquariums when connected to an air pump. With straightforward installation and routine maintenance, it helps maintain a stable, healthier aquatic environment without adding bulk or complexity.\n\u003c\/p\u003e\n\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNoEnName_Null\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDropshipping\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSupport\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"font-size:16px\"\u003eAquarium Fish Tank Filter Transparent Biochemical Sponge Filter Aquarium Water biological Filter\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\n\u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"color:rgb(255, 0, 0);font-size:inherit;font-family:inherit\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eFeatures:\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eImprove the water quality of the fish tank, can increase the solubility of oxygen in the water.\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eMini and compact in size, can place it at the aquarium corner, easily split and easy to clean.\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eCan be also used as auxiliary filter for big size aquariums after linking with oxygen pump(not included)\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eThis mini-filter cartridge is very suitable for length blow 50cm aquarium use.\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eNo separate power, with a single-hole pump can be driven.\u003c\/span\u003e\u003cbr\u003e\n\u003cstrong\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style='font-family:\"comic sans ms\"'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003eSpeicificaitons:\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e \u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:400;line-height:inherit;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eMaterial: high quality Plastic\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eColor: as picture\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px;font-family:inherit\"\u003eSize: as picture\u003cbr\u003e\n\u003cspan style=\"color:#e74c3c;\"\u003e\u003cstrong\u003eIt needs to be connected to an oxygen pump for use. Oxygen pumps need to be purchased separately.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp align=\"start\" style=\"text-align:start\"\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style='font-family:\"comic sans ms\"'\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cstrong\u003eReminder:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:400;line-height:inherit;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e \u003cp style=\"font-family:arial, helvetica, sans-serif;font-size:13px;font-weight:400;line-height:inherit;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);border:0px;margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:content-box\"\u003e\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"font-family:arial, helvetica, sans-serif\"\u003e2. Always use aquarium water under room temperature to rinse clean the sponge, never use hot water.\u003cbr\u003e\n3. It must be used through connecting the air pump.\u003cbr\u003e\n\u003cspan style='box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; color: rgb(0, 0, 0); font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: \"comic sans ms\";'\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 14px;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; color: rgb(231, 76, 60);\"\u003e\u003cstrong data-spm-anchor-id=\"a2g0o.detail.1000023.i0.40523An03An0qV\" style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px;\"\u003eNote:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan style='box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; color: rgb(0, 0, 0); font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; font-family: \"comic sans ms\";'\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word; font-size: 14px;\"\u003e\u003cspan style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; max-width: 100%; word-break: break-word;\"\u003e\u003cbr style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px;\"\u003e\nPlease allow 1~2cm differs due to manual measurement. \u003cbr style=\"box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px;\"\u003e\nDue to the different display and different light, the picture maybe a little different with the actual color of the item. Thanks for your understanding.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px\"\u003e\u003cspan style=\"color:rgb(255, 0, 0)\"\u003e\u003cspan style='font-family:\"comic sans ms\"'\u003e\u003cstrong\u003eIncluding:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style=\"font-size:14px\"\u003e\u003cspan style='font-family:\"comic sans ms\"'\u003e1pcs Aquarium Biochemical Sponge Filter\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0fc12130502b40ef831780633ed088fbL.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sab64f54dd5cf411e877dbc47ec7197f6h.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S83f4f85a569e4484a8c975d41629dd4cb.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8ce1193aa8f54636a3e54b4caea44f26D.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S7ad0a0d62d064cdea9ebafe8eb7f9546I.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6d3bcd1f78dc43f6bc9a6a385c4c22bcu.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3f86c84d54d8410bbb5f7bccf7902946o.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8692dd7bfb5c4e2b90d2eb25c303835cF.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S893b3bdc77c24d7cbb51c62008e14e9cE.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2cf918e47f6d4c34a3346bfd635474913.jpg\"\u003e\u003cimg referrerpolicy=\"no-referrer\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6d3bcd1f78dc43f6bc9a6a385c4c22bcu.jpg\"\u003e\u003cbr\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e \u003c\/div\u003e","brand":"Rusty’s Pet Supplies","offers":[{"title":"Small","offer_id":47997567271082,"sku":"14:29#Small","price":11.5,"currency_code":"USD","in_stock":true},{"title":"Big","offer_id":47997567303850,"sku":"14:193#Big","price":16.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/1576\/1322\/files\/Sd9f5a506fea3428dbc679a54a56266eaI.webp?v=1770674873","url":"https:\/\/pawrusty.com\/products\/round-thin-aquarium-fish-tank-filter-transparent-biochemical-sponge-filter-aquarium-biological-filter-submersible-water-pump","provider":"Rusty’s Pet Supplies","version":"1.0","type":"link"}