EMT pipe fitting(GI pipe Fitting, Steel conduit fitting) one side EMT pipe fitting standard:BS31 1/2",3/4",1",1-1/4",1-1/2",2 EMT pipe fitting(GI pipe Fitting, Steel conduit fitting)one side EMT pipe fittingstandard:UL797specification: 1/2",3/4",1",1-1/4",1-1/2",2",2-1/2",3",4" EMT pipe fitting(GI pipe Fitting, Steel conduit fitting)