LTWHOME 8 Inch Inch Coarse Pond Filter Foam Cube Block Pump Pre Filter Sponge (Pack of 1) Packing include: 4pcs white fine

Packing include: 4pcs white fine and 2pcs black coarse filter pads

Provide both mechanical and biological filtration to extend the life of your filters

Custom designed and manufactured for the Fluval 404

Custom designed and manufactured for AquaManta EFX 200 filtration systems

No BioMax is included in this listing High quality

LTWHOME 8 Inch Inch Coarse Pond Filter Foam Cube Block Pump Pre Filter Sponge (Pack of 1) Packing include: 4pcs white finehas an off centre hole cut out (3. 5" Diameter x 5. 5" deep) Coarse grade foam,Cuts Easy To Any Required Shape Package Include: 1PC 8" Inch Coarse Pond Filter Foam Good for freshwater & marine environments Traps Particles & Debris Enhances biological filtration