In BusinessSince 1987
CA, FL, GA, ID, IA, IN, MA, MD, MI, MO, NC, ND, NE, NY, OH, PA, TX, WI
Double click to properly engage. First click locks coupler and plug; second click engages the air flow. To disconnect push the button twice. First push relieves the air flow and pressure; the second push allows the coupler and plug to disengage.