1pcs Sponge Aquarium Filter for Aquarium Fish Tank Air Pump Skimmer Biochemical Sponge Filter

Sponge 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. Fine holes, facilitates the reproduction of nitrifying bacteria. Good permeability, easy to clean. Perfect filters accessories for your tank and aquarium. Speicificaitons: Product name: Aquarium Sponge Filter Replace Cotton Color: Grey (Show as picture) Size: 6.4x6.2x5.5cm forsmall sponge 9.3x9.3x10.5cm for medium sponge 13x13x10.5cm for large sponge 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. Including: 1pcs Aquarium Filter Sponge