Set of Aquarium Bottom Filter Floss

Aquarium Filter Foam 3-Pack Triple Density Cuttable Sponge For Fish Tank & Pond Product Description This 3-piece aquarium filter sponge set contains three polyurethane foams with different densities. 40PPI black, 30PPI green and 20PPI blue sponges achieve graded filtration to capture particles of varying sizes. The flexible sponge material can be freely cut to match the size of various fish tanks and filter sumps. It is washable and reusable, applicable to aquariums and pond bottom filter equipment. Highlights Three different density sponges realize staged filtration, intercepting impurities from coarse to fine Polyurethane sponge features good elasticity and maintains original shape after repeated cleaning Honeycomb porous structure ensures smooth water circulation and provides space for nitrifying bacteria Easy to cut with scissors to fit hang-on filters, side filters and sump filter compartments Thick flat sponge sheets can be laid flat or stacked in multiple layers as required Specifications 1 x Black High Density Filter Foam (40PPI) 1 x Green Medium Density Filter Foam (30PPI) 1 x Blue Low Density Filter Foam (20PPI) Package Contents Triple Density Aquarium Filter Foam Set × 1 (1 black, 1 green, 1 blue sponge) Suitable For Ornamental fish breeding hobbyists and aquarium lovers Owners of outdoor koi ponds and ecological fish ponds Aquarium shop operators and fish breeders Turtle and amphibian tank keepers DIY filter system makers Scenarios Water filtration for household fresh water and saltwater fish tanks Filter system matching for outdoor koi ponds and ecological ponds Daily maintenance of display tanks and breeding tanks in aquarium stores Water purification for turtle and amphibian rearing containers Custom cutting for hang-on, side and sump filter compartments