Manual Air Control Valve, Valve Ways and Positions 4-Way/2-Position, Valve Port Size 5/32 in, Valve Actuator / Return Button / Spring, Max. CFM - Valves 4 cfm, Center Position Not Applicable, Body Material Steel, Overall Length 10 in, Overall Height 4 3/8 in, Overall Width 3 5/8 in, Series APLC, Anti-Tie Down Control