Model Code: Air preparation unit, 1/4 connections, -20C to +135C, Model Type: Filter regulator, Self/Non Relieving: Self relieving, Drain option: Manual drain, 20 bar maximum inlet pressure, Output Press Range: 0.4 - 10 bar output range, Filter Element: 20-30 Micron filter element, Connections: NPT connections, Gauge port option: 1/8 Gauge port, Adjustment option: Allen key adjustment, Drain screw option: Regular drain screw, Brackets: No Brackets