EM25 Parker Pneumatic Muffler Filter Exhaust Speed Control / Flow Controls - EM Series  

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 accidentally blown out and can be locked to maintain setting.  Products are made of brass and bronze construction, clean with commonly used solvents.