DescriptiOxygen.

Features:
1) Creates water currents and dazzling underwater scenes.
2) Sintering at 1500 degrees celsius, durable long service life.
3) Suitable for freshwater, saltwater aquariums and hydroponic use.
4) Widely used in aquarium landscaping, decktoxicate, uniform outlet and durable air stoxications:
Material: Stoxict airflow from air pump;
a non return air check valve to properly regulate air flow and protect from water damage to the air pump.

Packing included:
1 Air Stone(Included Pipe But Not Included Pump)
Product Attributes:

Weight (lbs.): 0.26 lb