Size: 4 (40), Body Material: A (Aluminum), Seal Material: N (NBR), Port Size: 402 (Orifice Diameter: ΓΈ4mm; Port Size: 1/4), Thread Type: N (NPT), Rated Voltage: J (230 VAC), Electrical Entry: WN (M12 Connector/without Connector Cable; with Surge Voltage Suppressor), Coil Orientation: Upward, Blow Port Position: F (Front), Oil-free Option: D (Oil-free)