Sponge Filters

Compact Sponge Filters for Fish Tanks - Silent Internal Fish Tank Filter

10pcs High-Quality Filter Intake Sponge for Fish Tanks

Biochemical Sponge Foam Filter

3-in-1 Sponge Filter Aquarium Cleaner Adjustable & Efficient Filtration

High-Quality Aquarium Bio Filter Sponge for Superior Water Purification