Feature:1. Silencers/mufflers are mainly used to reduce dynamic noise of the pneumatic components or device exhaust2. Support easy installation and high nose reduction result, quick and reliable connections3. The product can be used for cylinders, valves, crank cases, gear boxes, oil tanks, reservoirs, air tools4. Excellent brass material with excellent thermal conductivity, ductility and corrosion resistance5. Made after excellent craftsmanship to bring smooth surface, which will not hurt your hands in workSpec:Item Type: Pneumatic MufflerMaterial: BrassModel: SLM-04Muffler Thread: G1/2Package List:50 x Pneumatic Muffler