{"product_id":"three-layer-fish-tank-filter-box-for-20-70-gal-aquariums-adjustable-flow-transparent-window","title":"Three-Layer Fish Tank Filter Box for 20–70 Gal Aquariums | Adjustable Flow \u0026 Transparent Window","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eUpgrade your aquatic filtration with a dedicated three‑layer filter box designed for larger home tanks and small ponds. This unit is built to pair with your existing pump system (pump not included), delivering a compact, modular filtration solution for 20–70 gallon setups. Its design emphasizes straightforward monitoring and flexible flow control, so you can tailor filtration to your tank’s needs without complicating your setup.\u003c\/p\u003e\n\u003ch3\u003eThree-Layer Filtration in One Box\u003c\/h3\u003e\n\u003cp\u003eInside the shell, the system accommodates three distinct filtration stages: a physical layer for debris capture, a biochemical layer for active media, and a microbial culture nest to support beneficial bacteria. This combination helps you observe and maintain clearer water while supporting a stable micro-ecosystem for your fish and plants.\u003c\/p\u003e\n\u003ch3\u003eObservability and Maintenance\u003c\/h3\u003e\n\u003cp\u003eA transparent viewing window lets you gauge the level of filtration media without disassembly. This visibility helps you decide when media needs refreshing or replacement, reducing guesswork and downtime during routine maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTransparent window for quick inspection\u003c\/li\u003e\n  \u003cli\u003eReal-time cues to guide media replacement\u003c\/li\u003e\n  \u003cli\u003eUser-friendly access without removing the entire unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDurable Build and Flexible Flow\u003c\/h3\u003e\n\u003cp\u003eConstructed with a high‑quality plastic shell, the box resists heat and corrosion, making it suitable for indoor tanks and outdoor ponds alike. You can alter the water flow using two independent valves—one at the inlet and one at the outlet—so you can fine‑tune circulation to match different stock and décor needs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo adjustable valves for inlet and outlet control\u003c\/li\u003e\n  \u003cli\u003eDurable, temperature‑ and corrosion‑resistant shell\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFit, Capacity, and What’s Included\u003c\/h3\u003e\n\u003cp\u003eMeasuring 13.5 × 12.5 × 8.5 inches, the unit holds a substantial amount of filter media—up to 20 liters—making it a strong choice for 20–70 gallon aquariums, large fish tanks, small ponds, or turtle enclosures. The package includes a three‑layer filter box, water inlet pipe, two water outlet pipes, and a rain shower pipe, forming a complete filtration module for your setup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge media capacity for versatile filtration options\u003c\/li\u003e\n  \u003cli\u003eIncludes: filter box, inlet pipe, two outlet pipes, rain shower pipe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This product includes only the filter box and accessories listed above; pumps and other power systems are not included.\u003c\/p\u003e\n\u003ch3\u003eIdeal Uses\u003c\/h3\u003e\n\u003cp\u003eDesigned for 20–70 gallon aquariums, it’s well suited for community tanks, tropical setups, or ponds that require steady, multi‑stage filtration without a bulky footprint. The modular design supports a clean, simple filtration upgrade for many households.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this filter box suitable for outdoor ponds or only indoor tanks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for 20–70 gallon setups; suitable for outdoor use, but pumps are not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What filtration stages does the three-layer system provide?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Physical filtration, biochemical filtration, and microbial culture support in a compact three-layer arrangement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Petiva","offers":[{"title":"Default Title","offer_id":40564426408065,"sku":"B0DCVKZBHV","price":126.49,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/three-layer-fish-tank-filter-box-front-view.jpg?v=1765925274","url":"https:\/\/petiva.ca\/products\/three-layer-fish-tank-filter-box-for-20-70-gal-aquariums-adjustable-flow-transparent-window","provider":"Petiva","version":"1.0","type":"link"}