Features GOOD CORROSION RESISTANCE --- The pneumatic silencer is made of excellent brass material with excellent thermal conductivity, ductility and corrosion resistance. EXCELLENT NOISE REDUCTION AND FILTERING EFFECT --- The air pneumatic silencer for excellent noise reduction and filtering effect in dry conditions. IMPACT RESISTANT --- Metal silencers can be used in high temperature and high pressure environments and are impact resistant and very stable. FOR PLACES WITH LIMITED SPACE --- The Pneumatic Silencer Adjustable for Air Tools is small and simple in structure, easy to install and maintain, particularly suitable for places with limited space and has a high noise reduction effect. WIDELY USED --- The pneumatic exhaust silencer is widely used in cylinders, solenoid valves, crankcases, gearboxes, fuel tanks and pneumatic tools. Specification: Item Type: Air Pneumatic Mufflers Model: PSF-8 Material: Brass + ABS Uses: Widely used in cylinders, solenoid valves, crankcases, gear boxes, fuel tanks, pneumatic tools Package List:4 x Air Pneumatic Mufflers Note:Please match the appropriate size before use. Package List 4 x Air Pneumatic Mufflers