We choose this air stone of the best quality that will create an abundant cascade of small to tiny bubbles rather than a limited number of bigger bubbles. Can be easily driven by the Nano air pumps, suitable for the aquarium, fish tank and traffic system. Model: ASD-040. Injection volume: 2 l / min, suitable for approx. Aquarium from 30 to 60 cm. Recommended air pump power: 2 W - 4 W. Suitable for 4 mm inner diameter tubes. Increases oxygen and lowers CO2 levels. Durable and washable. A robust and non-toxic material is safe for your fish. Please soak the air stole in the water for about 30 minutes before use. Remember that any air stone will have to be replaced every few months because it is obstructed by dust, bacteria and algae. Comes with 4pcs air stones. Size: approx. 40 x 15 mm (p x h). An airtone, whose goal is to gradually diffuse air into the tank and provide the Oxygen to the fish that breathes, is essential if you like aquatic animals. Uniclife air stones are made of high
