Filter/Regulator/Lubricator, Air Inlet Size 3/8 in, Air Inlet Type NPT, Maximum Flow Rate 110 cfm, Maximum Operating Pressure 250 psi, Filter Rating 5 micron, Filter Bowl Material Aluminum, Filter Bowl Capacity 3 oz, Lubricator Bowl Capacity 3 oz, Drain Type Manual, Overall Width 6 1/8 in, Series D28, Adjustment Mechanism Knob, Adjustment Mechanism Material Acetal, Air Outlet Size 3/8 in, Air Outlet Type NPT, Body Material Aluminum, Drain Included Yes, Filter Bowl Guard Material Aluminum WARNING: This product can expose you to chemicals including Dichloromethane (Methylene chloride), which is known to the State of California to cause cancer, and Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Bisphenol A (BPA)