... crust or metal crust 3) Radial or axial 4) Screw thre Pressure gauge:1) 40mm, 50mm, 60mm2) Plastic crust or metal crust3 ... ) Radial or axial4) Screw thread: ZG/4, G1/4, NPT1/45 ... ) Five way, four way, and three way valve Pressure Tank, Gauge and Five Way Connector