NTA MPG union straight reducer/ high quality nikel plated brass reducer is used to connect tubing at different diameters at the same direction. it is suitable for use with nylon and urethane tube, large retaining force, it can be used for a wide range of pressures from a low vaccum up to a high pressure of 2.5MPa/362.5PSI, excellent resistance to high pressure and vacuum, excellent mechanical performance, Long threads to resist shock and vibration, excellent abrasion and corrosion resistance due to high phosphorus chemical nickel plating, Full flow, minimal pressure drop, one fitting for numerous applications: stock optimisation, manual connection and disconnection, compact and ergonomic. long lifespan, air through and break life cycle number reaching 17.4 million cycles, it is 2.8 to 348 times of lifetime from other Chinese fitting suppliers0.05 to 6.3 millions cycles. NTA brass straight union reducer are 100% leak-tested in production,guaranteed quality. ...