The best quality , the lowest price . Descriptions:1.Lowest Pressure(on):40PSI2.Highest Pressure(off):175PSI3.Female:1/4"4.With one-way ... auto-control of air pump7.Pressure Rating:40-70PSI,50-80PSI,70-100PSI,80-115PSI,90-125PSI,105-145PSI,135-175PSI pressure control (PC4 ...