Airstone – 1 1/2" X 1 1/2" X 12" – 1/2" NPT

“Alumina” air stones – three times stronger than white silica air stones! Produces a finer bubble with no increase in pressure.

Inlet fittings are set into the body of the diffuser, making them much less likely to break or twist loose.

-One airstone is recommended for use with our 45 Watt Pump (Ponds < 1 Acre) 

-A 4-Airstone Manifold is recommended for use with our 120 Watt Pump (Ponds > 1 Acre)