Features [SPECIFICATION]: Air Exhaust Muffler includes 4pcs air exhaust mufflers, easy to install and maintain, with high noise reduction effect. [HIGH EFFICIENCY]: With excellent noise reduction and filtering effects under dry conditions, has powerful functions. [COMPACT SIZES]: These pneumatic silencers are small and compact, especially suitable for places with limited space. [HIGH PERFORMANCE]: Metal silencer can be used in high temperature and high pressure environment, and has good impact resistance. [WIDELY USED]: Pneumatic Muffler is widely used in cylinders, solenoid valves, crankcases, gear boxes, fuel tanks, pneumatic tools, etc. Specification: Item Type: Pneumatic Muffler Model: PSF-4 Material: All Copper + ABS Maximum Pressure Resistance: 1.0Mpa Silencer: 30DB Operating Temperature Range: 5-60℃ Uses: Widely used in cylinders, solenoid valves, crankcases, gear boxes, fuel tanks, pneumatic tools Package List:4 x Muffler Note:Please match the correct size before use. Package List 4 x Muffler