Produced by Firestone, these 45 mill EPDM liners offer pond and fountain builders a high-quality durable liner. Pond Guard liners have become the defacto standard for both commercial and home installations. Rubber liner is simple to install and contours easily with any kind of sub-terrain. They can be cut and spliced with ordinary tools and are resistant to microbial attack and algae growth reducing maintenance. The special formulation developed and tested by Firestone is completely fish and plant safe with a 20 year manufactures warranty. Available in various sizes and complete rolls. Shipped directly from the warehouse.