This air button supplies the air pressure used to control a variety of electrical devices. The air is transmitted through air tubing to activate an air switch, which in turn provides either on/off or high speed/low speed control of a variety of equipment such as a pump, a light, or an air blower. The MPT3428 series requires a 1-1/4" hole for mounting with the included nut, and the end connector may be used with either 1/8" or 1/16" inside diameter air tubing. Face Diameter: 1-5/8" Body Diameter: 1-1/4" Total Length: 2-3/8" Includes: Button body, white face & button, mounting nut and gasket
