Green Aquarium Filter for Aquarium Fish Tank Air Pump Skimmer Biochemical Sponge Filter Aquarium

New Green Aquarium Filter for Aquarium Fish Tank Air Pump Skimmer Biochemical Sponge Filter Aquarium Bio Filter Filtro Aquario Features: Biochemical sponge filter provides biological filtration to the aquarium, helps to stable water quality. Increase the oxygen solubility in water. Working noiselessly. Good permeability, easy to clean. Adhere smooth surface with suction cup. Perfect filters accessories for your tank and aquarium. Green color, providing better b iochemical filtration. Speicificaitons: Product name: Aquarium Sponge Filter Color: Green Sponge color: black Model Number: PK002, PK004 Size: as picture Sponge size: 80mmx48mm(HxW) Reminder: 1. Soak the sponge in the aquarium water for 5 minutes before use, by doing this will help nitrifying bateria colonise easier. 2. Always use aquarium water under room temperature to rinse clean the sponge, never use hot water. 3. It must be used through connecting the air pump. Including: 1pcs Aquarium Biochemical Sponge Filter