Air Pumps

The Rebuild Kit for the Dual Diaphragm Air Pump gives you the option of fixing the pump rather than replacing the entire unit. Kit includes two replacement diaphragms and two replacement lock-nuts. Easy-to-follow instructions make this minor repair a...

Four Valve High Output Air Pump The only air pump in the world manufactured exclusively for hydroponics systems. General Hydroponics Dual Diaphragm air pump is the only air pump in the world that is manufactured exclusively for use with hydroponic...