Manual Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Valve Port Size 1/4 in, Connection NPT, Valve Actuator / Return Foot Pedal / Manual, 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 Alloy, Overall Length 11 in, Overall Height 5 3/4 in, Overall Width 5 1/2 in, Series MaxAir, Manual Air Control Valve