Alumina Airstone Diffusers by Easy Pro Lake & Pond Supplies_Predator Control Two 30-pound weights or concrete

Two 30-pound weights or concrete blocks required for anchoring (not included)

the water is diffused by strategically positioned internal barriers

The large surface area of the cage and small openings prevents large debris from clogging the filter

Maximum Recommended Flow Rates for Flexible PVC Pipe(Direct Drive Pumps Assumed):

This versatile system can be installed on decks

Alumina Airstone Diffusers by Easy Pro Lake & Pond Supplies_Predator Control Two 30-pound weights or concreteAlumina 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. Higher density means self weighting Cleanable with muriatic acid or chlorine More resistant to ozone Multiple Sizes available