Biochemical Sponge Filter for Aquarium 50x50x2cm

Biochemical Sponge Filter for AquariumBiochemical sponge filter provides biological filtration to the aquarium, helping to stabilize water quality and increase oxygen solubility. This durable, noiseless filter sponge is designed for long-term use and can be cut to fit different tanks, making it a versatile addition to your filtration setup.Key Features Biochemical sponge filter provides biological filtration to the aquarium, helps to stabilize water quality. Increases oxygen solubility for healt