Ps30 Upgrade Kit

Airmax® PondSeries™ 2 Diffuser to 3 Diffuser Upgrade Kit can be used to add an additional ProAir™ 4 Lifted Membrane Diffuser Plate to an existing Airmax® AM60 AM80 and PS20 Aeration Systems. Perfect for pond owners that have an under-sized aeration system or a pond that has…