Replace cotton Fish Aquarium Filter Fish Poop Stool Toilet Manure Suction Filter Collector Fish Tank Bio-Sponges With Media Balls Oxygen Increasing Mini Fish Tank Filter Water Fairy Suction Toilet Fully Automatic Biochemical Sponge Oxygen Filtration Pump

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 cute suction cup.Perfect filters accessories for your tank and aquarium.Speicificaitons:Product name: Aquarium Sponge FilterColor: Show as pictureSize: 7.5cmx12cmReminder: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 (including pebbles)/3Pcs Sponges/5Pcs Sponges