SMC: AW40-F06D FRL Auto Drain G3/4 This combination filter/regulator minimizes space and piping by integrating the two units into one. Features include a relieving regulator. The AW modular air preparation unit can be combined with other similar sized products. Size: 1/8 thread. Gauge port: G1/4. Comes with square embedded type pressure gauge with limit indicator. MPN: AW40-F06D FRL Auto Drain G3/4 Attributes: Additional Features: Modular Type Filter Regulator Available with Built-in Backflow Mechanism Optional Embedded Pressure Gauge Drain Type: Manual Operating Temperature Range: -5 to 60°C Port Size: 3/4in Pressure Gauge Port Size: 1/4in Pressure Range: 1bar Product Type: Filter Regulator Weight Each: 2.2781g