Assorted filtration sponge for all aquariums in an assortment of sizes.
Biochemical sponge filter provides biological filtration to the aquarium, helping to maintain a stable water quality.
Increases the oxygen solubility.
Working noiselessly, very durable, can be used for years.
Good permeability, easy to clean.
Perfect filters accessories for your tank and aquarium.
The foam can be cut and is suitable for all kinds of fish tanks.
The sponge will resize to its original size after placing in water.