AODD-25A Air Operated Double Diaphragm Pump Pump Inlet/Outlet:25mm(1" inch); Air inlet size: 1/2" Max flow: 116L/min; Max head: 84M (8.4bar); Pump material: Ductile iron(SG iron),Cast steel, Aluminum, Stainless steel(SS304 SS316L); View More aodd pumpAODD-25A diaphragm pumpaodd-25a pump