Mini. 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 F. primary, 2 to 125 P.S.I. secondary. Operating temperature range: -10 F. to +175 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.