Supa Airline Airstone Carded, 2 Piece, Used In Conjunction With An Air Pump To Simply Diffuse The Via A Fine Mist Of Bubbles Into Aquarium Thus Oxygenating Aquarium/Fish Tank

Supa Airstones Twin Pack when connected to an air supply simply diffuse the air via a fine mist of bubbles into the aquarium thus oxygenating the aquarium. Supa airstones are made from non-toxic quality materials and are a great aid for aerating a fish tank. Designed to fit airline tubing with an internal diameter of 4mm and an external diameter of 6mm. Part of an extensive range of airline accessories from Supa Ltd Supa have been involved the aquatic trade since 1949, so have built up over many years a vast knowledge & experience of all that is essential for successful fish keeping.