Dacor is a former USA manufacturer scuba diving gear. Dacor was one of the five original United States diving gear makers: U.S. Divers, Healthways, Voit, Dacor, and Swimaster. Dacor is now merged with Mares, an Italian Firm.
Star Wars sound designer Ben Burtt used an old Dacor scuba regulator to create the heavy breathing of the notorious antagonist Darth Vader.