Product Description TOOLMASTER 1/4″ Air Filter Regulator AFR-500 High quality filter regulator with 1/2″ BSP Inlet & Outlet Features 7-150PSI (0.5-10.3 Bar) Set pressure range 1/4″ BSP inlet & outlet sizes Push lock pressure adjusting knob Front and rear ports for pressure gauge 360 visual inspection for condensation Semi-Auto drain Drain capacity 55ml Made in Taiwan Includes Pressure gauge Mounting bracket