{"product_id":"premium-rigid-bio-filter-mat-50x50x4cm-japanese-style-coarse-filter-pad-5-year-lifespan-sump-pond-media","title":"Premium Rigid Bio-Filter Mat (50x50x4cm) | Japanese Style Coarse Filter Pad | 5-Year Lifespan Sump \u0026 Pond Media","description":"\u003cdiv style=\"background-color: #f8f9fa; padding: 10px; border-left: 4px solid #0056b3; margin-bottom: 20px;\"\u003e\u003cp style=\"margin: 0;\"\u003e\u003cem\u003e🔄 Building a complete multi-stage filtration system? Pair this rigid mat with our \u003cstrong\u003e\u003ca href=\"https:\/\/atradesen.com\/collections\/filter-material\/products\/premium-black-biochemical-sponge-filter-pad-50x50x4cm-cut-to-fit-washable-aquarium-foam-koi-pond-bio-media\" style=\"color: #0056b3; text-decoration: underline;\"\u003eFine Black Biochemical Sponge Pads\u003c\/a\u003e\u003c\/strong\u003e for ultimate water clarity.\u003c\/em\u003e\u003c\/p\u003e\u003c\/div\u003e\u003ch2\u003ePremium Rigid Bio-Filter Mat (Japanese Style)\u003c\/h2\u003e\u003cp\u003eConstruct the ultimate biological and mechanical filtration system with our Heavy-Duty Rigid Bio-Filter Mats from \u003cstrong\u003eAtradesen.com\u003c\/strong\u003e. Often referred to as \"Japanese Matting\" in the Koi pond and reef tank hobby, this coarse, stiff-structured pad is the absolute best middle-layer media for trapping large debris while cultivating massive colonies of beneficial nitrifying bacteria.\u003c\/p\u003e\u003ch3\u003e🌟 5-Year Lifespan \u0026amp; Advanced Durability\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Rigid Coarse Structure:\u003c\/strong\u003e Unlike soft sponges that compress, warp, and clog quickly under water pressure, this firm, coarse wire-like texture maintains its shape indefinitely, providing incredible water permeability and oxygen exchange.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtreme 5+ Years Durability:\u003c\/strong\u003e Manufactured from premium imported eco-friendly bio-materials. It is highly resistant to chemicals, light, and water degradation. Guaranteed not to break down or loosen for over 5 years of continuous underwater use!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWashable \u0026amp; Eco-Friendly:\u003c\/strong\u003e 100% chlorine-free and environmentally safe. Can be rigorously washed and reused countless times without losing its structural integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003e⚠️ Sizing \u0026amp; DIY Filtration Guide (Crucial!)\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eCustomize your filtration compartments with ease using our Atradesen.com guidelines:\u003c\/p\u003e\u003cul style=\"background-color: #fff3cd; padding: 15px 15px 15px 35px; border-radius: 5px; color: #856404;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive Standard Size:\u003c\/strong\u003e Each pad comes in a large \u003cb\u003e50cm Length x 50cm Width x 4cm Thickness\u003c\/b\u003e sheet (High Density: 65 kg\/m³).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e✂️ Free Custom Cutting (Cut-to-Fit):\u003c\/strong\u003e Simply use a heavy-duty utility knife or strong shears to cut this mat to perfectly match your specific trickle boxes, canister filters, or sump baffles!\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e🚨 Filtration Placement Tip:\u003c\/strong\u003e For the best results, place this coarse rigid mat in the \u003cb\u003eMIDDLE layer\u003c\/b\u003e of your filter (after your fine mechanical floss, but before your ceramic bio-rings) to prevent your biological media from clogging.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Atradesen","offers":[{"title":"50x50x4cm","offer_id":56349949165734,"sku":"Filter_Material_102","price":16.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Premium_Rigid_Bio-Filter_Mat_50x50x4cm_Japanese_Style_Coarse_Filter_Pad_5-Year_Lifespan_Sump_Pond_Media-001.png?v=1780665279","url":"https:\/\/atradesen.com\/products\/premium-rigid-bio-filter-mat-50x50x4cm-japanese-style-coarse-filter-pad-5-year-lifespan-sump-pond-media","provider":"Atradesen","version":"1.0","type":"link"}