Advanced Technology For Todays Mechanics AirCats patented thru-handle exhaust muffler/filter technology maintains the power and substantially lowers the noise making your shop quieter and more productive. The ACR802G Features: Noise Reduction Technology. * Max Torque: 45 ft-lbs* Sound Level: 82 dba* Free Speed: 320 rpm* Air Pressure: 90 psi* Air Inlet: 1/4 NPT* Avg. Air Consumption: 3.5 cfm