The Draper 1/4" BSP Filter/Regulator Unit is designed to eliminate moisture and particulates from the airflow. The main body of this unit is aluminium with a polished silver finish. The gauge has a steel casing and is duel-marked with psi and Mpa. Steel screw-on transparent bowl with a working temperature range of 5-60℃ Manual/semi-automatic drain, fitted with 40-micron filter. This comes complete with a wall bracket.