The Air Manifold is very important for two reasons.
It gives you the ability to send air to various areas within the pond or lake and allows you to vent off potential back pressure. Connect the outlet...(click on product image for more details)
Air Stones for Ponds
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...(click on product image for more details)