Xiaoyztan 6Pcs 6.0 X 2.5 Inch Aquarium Pre-Filter Sponges Foam Filter Cartridges With 0.8In Hole Diameter (Black)

PACKAGE – 6 pieces x Aquarium Pre-Filter Sponge Replacement (6-inch Black). MATERIAL – Made from reticulated low density black sponge flexible. FUNCTION – Provide mechanical filtration in aquaponics systems turtle tanks terrariums and much more. APPLICATION – Typically used as a pre-filter for wet/dry filters sumps and canister filters to clean water in fresh. AFTERSALES – Please feel free to let us know if you meet any product quality issue we will try our best to help you.