... COUPLING WITH BRASSPPR MALE COUPLING WITH BRASSPPR FEMALE ELBOW WITH BRASSPPR MALE ELBOW WITH BRASSPPR REDUCING TEEPPR UNIONPPR FEMALE TEE ... drain ,Female and male Coupling ,Socket, Cap , Tee , Adapter , Elbow , Reducer, Union , Plug , Pipe Clip , Valve , Plastic Tap ... to transport and handle, good for labor-saving6) Smooth inner walls reduce pressure loss and increase flow speed7) Sound insulation ...