Can easily drive even Nano Air pumps, suitable for aquariums, fish tanks. MODEL: ASR-020. Jet volume: 1L/min, Recommended air pump power: 2W-4W. Made of high quality non-toxic mineral material. Suitable for 4mm inner diameter tube. Compact diameter: 20 mm. Net weight: 120g. Soak the stone completely in water about 1 hour before use. Comes with 10 Air Ball stones. Spherical Air Stone An airstone, the purpose of which is to gradually diffuse air into the tank and provide oxygen to the breathing fish, a necessity if you are an aquatic animal lover. #39;air UnicLife are made from materials high quality non-toxic minerals. With high temperature sintering, the stones are strong and durable, have high dissolved oxygen, and create uniform, tiny bubbles rather than a limited number of large ones. Made of high quality and harmless mineral material Create small bubbles instead of bigger ones Keep supplying oxygen for your fish to breathe What kind of Airstone should I use Let’s clarify basic
