Aquarium Biochemical Sponge Filter for Fish Tank Air Pump

This aquarium filter features a biochemical sponge designed for biological filtration in fish tanks, enhancing water quality and oxygen solubility with quiet operation.

• Dimensions: 170mm x 235mm; Sponge size: 120mm x 60mm
• Material: Black sponge with suction cup attachment
• Provides biological filtration to stabilize aquarium water quality
• Increases oxygen solubility in the tank water
• Operates noiselessly for a quiet environment
• Good permeability and easy to clean
• Includes 1 biochemical sponge filter and 1 filter sponge
• Requires connection to an air pump (not included)