Manual Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Valve Port Size 1/4 in, Connection NPT, Valve Actuator / Return Extended Push Button / Spring, Max. CFM - Valves 26 cfm, Valve Max. Pressure Rating 150 psi, Valve Temp. Range 32 Degrees to 160 Degrees F, Coefficient of Volume 0.7, Body Material Aluminum, Overall Length 1 9/16 in, Overall Height 4 23/32 in, Overall Width 1 9/16 in, Series MaxAir, Manual Air Control Valve