Series AMR is a combination regulator with mist separator. The series offers high filtration (0.3 m) and a space savings, easy piping design. Options include auto drain and pressure switch.Combination mist separator and regulator, High filtration (0.3 m), Port sizes: 1/4, 3/8, 1/2, 3/4, 1, Threads: Rc(PT), NPT, G(PF), Available with compact pressure switch, MR UNIT 3/8 PT IN-OUT REVERSAL