AODD-15 Air Operated Diaphragm Pump Inlet/Outlet:15mm(1/2" inch); Air inlet size: 1/4" Max flow: 22L/min; Max head: 70M (7bar); Pump material: Ductile iron(SG iron),Cast steel, aluminum, stainless steel(SS304 SS316 SS316L), polypropylene(PP), PVDF; View More AODD-15 diaphragm pump