Exhaust Muffler, Air Inlet Size 1/4 in, Maximum Flow Rate 160 cfm, Maximum Operating Pressure 300 psi, Maximum Operating Temperature 160 Degrees F, Filter Rating 0.9 micron, Body Material Aluminum and Polypropylene, For Fluid Type Exhaust Air, Includes -, Material Filtered Oil Mist. This item has been restricted from sale in the following state (s): []