... Joint: Screw thread type or hose socket-style.Model DescriptionTM(H)-100-P-C-5-F1 2 3 4 5 61. Pump ... ,30,40,55,70 etc.).3. Inlet/Outlet Joint Type: P-Screw Thread Type, M-Hose socket-style4. Pump Shaft Material ... . Electrical frequencies: “5”-50Hz, “6”-60Hz6. Pump Material: F-FRPP, P-PVDF Good quality Reasonable price chemical/electroplating/plating pump