6PCS Pre-Filter Sponge Foam For Fluval Edge Fish Tank Aquarium Pond Single Port Description Premium quality foam sponge connects to filter prevent debris from entering the filter barrel, extending filter media usage time. Prevent young fish and shrimp from being sucked into the filter tank. Easy to use directly into the inlet basket. Provides efficient water flow with less clogging for long lasting filtration. Features Color: Black Material: Cotton Size: 8 x 4 x 2.2cm Premium quality foam sponge connects to filter prevent debris from entering the filter barrel, extending filter media usage time. Prevent young fish and shrimp from being sucked into the filter tank. Easy to use directly into the water inlet. Good for freshwater and marine environments. Provides efficient water flow with less clogging for long lasting filtration. Package includes 6 x Pre-Filter Foam Sponges _x000D_ _x000D_ _x000D_