Sponge filters provide both mechanical and biological filtration - capture floating deposits without your baby being sucked in, and provide an ideal place for bacteria to colonize, which is perfectly suited for salt water and freshwater. 【Suitable for aquariums from 75 to 200 liters】 Super quiet air sponge filter, the fine porous 60 ppi high density sponge provides an ideal place to colonize useful nitrifying bacteria, so that aquarium water will be clearer and closer to natural water quality Easy installation: connect one end to your air pump with an airline and the other end with this installed propulsion hose which is fitted with a check valve on the air line to prevent water backflow and damage to the air pump due to power failure, aeration and filtration in a solution - a great way to clean and oxygenate your tanks Easy to use and clean: squeeze air into the sponge when placing it under water. Then she absorbs into the water and stays down. Simply take out the sponge, rinse it
