The General Hydroponics Dual Diaphragm air pump is the only air pump in the world that is manufactured exclusively for use with hydroponics systems. This high output pump (394 gph/ 24,800 cc/minute capacities) has four adjustable 1/4 in. outputs or valves that can be teed off to power up to twelve additional WaterFarm® units. In addition, growers who use our Dual Diaphragm air pump can use it to reliably oxygenate their reservoir with air stones.

	Item No. Description Retail 2716 Dual Diaphragm Air Pump $64.98