Hose coupling Material:Sand Casting Brass,Forging Aluminum Size:1",1-1/2",3",4" Business type: Manufacturer Hose couplingmaterial:sand casting Brass,Forging Aluminum Nominal sizeForging AluminumSand Casting Brass1"HX-AL356-DN25HX-BR-DN251-1/2"HX-AL356-DN40HX-BR-DN402"HX-AL356-DN50HX-BR-DN503"HX-AL356-DN80HX-BR-DN80 Storz coupling