Parker 045040004 Exhaust Speed Control Muffler / Flow Control, 1/4" NPT, 1.42" Length, 250 psi
Muffler / flow controls provide an acceptable exhaust noise level and effectively meter exhaust. Installed in valve exhaust ports, they control cylinder piston speeds throughout a wide range. The adjusting screw cannot be accidently blown out, can be locked to maintain setting. Brass and bronze construction. Clean with commonly used solvents. 1/2" Hex.