{"product_id":"0-35mm-hdpe-pond-liner-underlay-options-40yr-guarantee-2x2m-9x12m","title":"0.35mm HDPE Pond Liner \u0026 Underlay Options - 40yr Guarantee (2x2m - 9x12m)","description":"\u003ch1\u003e\u003cspan class=\"a-text-bold\" style=\"color: rgb(0, 170, 255);\"\u003eFinest-Filters Heavy Duty 0.35mm HDPE Pond Liner \u0026amp; Underlay Bundle Option\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eBuild a lasting water feature with Finest-Filters high-density polyethylene (HDPE) pond liners. Designed to outperform conventional PVC liners in durability, flexibility, and environmental safety, our 0.35mm waterproof sheets create an impermeable barrier for your pond. Backed by an industry-leading \u003c\/span\u003e\u003cspan class=\"a-text-bold\"\u003e40-Year Guarantee\u003c\/span\u003e\u003cspan\u003e, this liner provides long-term protection against harsh weather and UV degradation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eKey Features:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"a-unordered-list a-vertical\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003e40-Year Guarantee:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e\u003cstrong\u003e \u003c\/strong\u003eBuilt with premium UV-stabilised HDPE to prevent cracking, splitting, and rotting over decades of exposure.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003e100% Fish \u0026amp; Wildlife Safe:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Completely non-toxic and chemical-free, ensuring a safe environment for Koi, aquatic plants, and garden wildlife.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eTear \u0026amp; Puncture Resistant:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Exceptional tensile strength while remaining supple and flexible to fit corners, shelves, and contours easily.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eProtective Underlay Options:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Choose the standalone liner or upgrade to our bundle featuring commercial-grade geotextile underlay for extra stone and root protection.\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eHow to Calculate Required Size:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eLength Required:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Max Pond Length + (2 x Max Depth) + 1m Overlap\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"a-text-bold\"\u003eWidth Required:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Max Pond Width + (2 x Max Depth) + 1m Overlap\u003c\/span\u003e\u003c\/p\u003e","brand":"Finest Filters","offers":[{"title":"2m x 2m \/ Pond Liner Only","offer_id":58820421681477,"sku":"620000","price":8.54,"currency_code":"GBP","in_stock":true},{"title":"2m x 2m \/ Bundle- Pond Liner \u0026 Underlay","offer_id":58820421714245,"sku":"620057","price":12.99,"currency_code":"GBP","in_stock":true},{"title":"2.5m x 2.5m 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