PneumaticPlus HFMA-88 Aluminum Exhaust Silencer, 1" NPT, 300 PSI Aluminum Exhaust Muffler/Silencer 50 Mesh Stainless Steel Screen Element Max Operating Pressure: 300 PSI Diameter: 2", Length: 4-9/16", Flats: 1-5/8" Connection: 1" NPT