... 3.Material:resin 4.Function:collecting water Classic quality durable aquarium water filter mat Application: Car painting room, factory ... factory,tap water factory, cooling tower, swiming pool, fish pomd, collecting fish eggs,ect.Features:1) Biological filter mat removes ... Usage : a,Koi pond b,Garden pond c,Aquarium tank D,Fish farm Specifications:1) Materials: curled fibers monofilament (diameter ...