"Versatile design allows user to configure outlet for wall or ceiling mount. Made of anodized aluminum for corrosion protection. Also ported on the back side for rear entry of tubing. 1/2in. female NPT outlet port. Moisture drain. Includes outlet block, 1/2in. NPT pipe plug, 3/4in. tubing fitting and hand valve. Quick coupler not included. Max. PSI 175, Pieces qty. 4, Coupler Size in. 3/4."