Air Diaphragm pump,electric diaphragm pump
1" DIAPHRAGM PUMP 1:1 RATIO, METALLIC
Pump Type . . . . . . . Metallic Air Operated Double DiaphragmMaterial . . . . . . . . . . see Model Description ChartWeight . . . Aluminum . . . . . . . . . . . . . . . 19 lbs. (8.62 kgs)Cast Iron . . . . . . . . . . . . . . . . . 31 lbs (14.06 kgs)..