Set of Aquarium Bottom Filter Floss

Why it is useful

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.

1. Three different density sponges realize staged filtration, intercepting impurities from coarse to fine
2. Polyurethane sponge features good elasticity and maintains original shape after repeated cleaning
3. Honeycomb porous structure ensures smooth water circulation and provides space for nitrifying bacteria
4. Easy to cut with scissors to fit hang-on filters, side filters and sump filter compartments
5. Thick flat sponge sheets can be laid flat or stacked in multiple layers as required
6. 1 x Green Medium Density Filter Foam (30PPI)
7. 1 x Blue Low Density Filter Foam (20PPI)
8. Triple Density Aquarium Filter Foam Set × 1 (1 black, 1 green, 1 blue sponge)
9. Ornamental fish breeding hobbyists and aquarium lovers
10. Owners of outdoor koi ponds and ecological fish ponds
11. Aquarium shop operators and fish breeders
12. Turtle and amphibian tank keepers
13. DIY filter system makers
14. Water filtration for household fresh water and saltwater fish tanks
15. Filter system matching for outdoor koi ponds and ecological ponds
16. Daily maintenance of display tanks and breeding tanks in aquarium stores