... 1.F/F,M/F,BW stainless steel union 2.CNC lathe process 3.Threaded ends,NPT,DIN2999,BSP 4.Size:1 ... /8"-4",DN6-DN100 F/F,M/F,BW stainless steel union ... produce Stainless steel valves, pipe fitting, quick coupling, sanitary union, machinery parts,90 degree elbow,45 degree elbow,street ... pcs/carton,cartons/plywood case Stainless steel plumbing fitting 3 pieces union.