1/2" NPT In-line compressed air filter with regulator and lubricator. Please make sure of the measurement as this is 1/2" NPT. 215 PSI max input pressure with 150 max output pressure 5 Micron standard filter element; Large 2" pressure gauge included 2.7 ounce poly bowl with quick release bowl guard, 105 SCFM flow rate NOTE: WARNING - Install filter, regulator then lubricator or filter/regulator and lubricator ONLY WITH AIR FLOW IN DIRECTION OF ARROWS LOCATED ON THE TOP OF THE PRODUCT. FAILURE TO INSTALL PROPERLY MAY RESULT IN MALFUNCTION.