Gives accurate pressure regulation with maximum water and dirt separation. Increases life of expensive air-powered tools. Solid piston resists rupture, cracking, or tearing under pressure or high cycle rates. Maximum operating pressures: 150 P.S.I. at 125 deg. F. primary, 2 to 125 P.S.I. secondary. Operating temperature range: -10 deg. F. to +175 deg. F. Includes filter element and a pressure gauge. Port size: 1/4" NPTF. Manual drain. 5 micron element. Bowl capacity - 1 oz. Overall height: 8-1/2". 1 per box.