These compact and inexpensive mufflers are easy to install and maintain, particularly suitable where space is limited Package Included: 5 mufflers mufflers Easy to install and disassemble, high noise reduction effect, fast and reliable connection. Commonly used in cylinders, valves, crankcases, gear boxes, fuel tanks, pneumatic tools, etc. Brass Air Muffler 5 Pcs Male Spring Throttle Muffler Pneumatic Solenoid Valve Adjustable 1/8 Inch Thread Muffler Used to reduce dynamic noise or clean the exhaust gas of pneumatic solenoid valves. Excellent and effective performance reduction, easy to install and disassemble The muffler is used to reduce dynamic noise or clean the exhaust gas of a pneumatic solenoid valve. Specification: Material: Brass 1/8 inch thread Used to reduce dynamic noise or clean the exhaust gas of pneumatic solenoid valves. 5pcs/set 1/8 BSP Valve Thread Adjustable Pneumatic Muffler Silencer Noise Exhaust Thread Flat Head Pneumatic Air Flow Speed Controller The package includes: 5 pneumatic silencers and silencers., 1/8 inch thread.