Description
Airstone Air Stone Disc, 20 cm are gray air stones and are top quality in the oven at 1300 °C. hardened carried out on the newest synthetic materials.
All Genuine Natural Sapphires The ring has been very finely pored For Optimal Ventilation.
Airstone applications are:
Oxygen
AIR
Water Aquariums
And Ozone in ponds, cultured systems and in the medical areas.