Parker 410211000 Manual Air Control Valve, 4-Way, 1/8in NPT: Industrial Valves: Amazon.com: Industrial & Scientific
Parker B Series Brass Ball Valve, Inline, 1/4" NPT Male: Industrial Ball Valves: Amazon.com: Industrial & Scientific
Parker 032510125 3251 Series Brass Right Angle Flow Control Valves, 1/8" NPT Male x Female, 125 psi: Industrial Control Valves: Amazon.com: Industrial & Scientific