Air Bubble Disk Stone Aerator Aquarium Fish Tank Pond Pump Hydroponic Oxygen 100% Brand New and High Quality Weight: 82g Color: As the picture Material: Plastic, Mineral Stone Size: Total length: 2m, Thickness: 1.3cm Suitable to be used for Oxygen supply in all kinds of aquariums. It's bubble disperse equally and supply is excellent. Through installing an air pump the correct balance of oxygen and carbon dioxide will be established in the tank and the fish should enjoy a happy and health life in the aquarium tank. The oxygen set is used with air pump and supply oxygen for aquarium or fish tank. The airstone with mineral material, will create bubbles and increase the dissolved oxygen level. The suction cup used for fixing the pipe. Package includes : 1 x Pipe 1 x Airstone 4 x Suction Cup