This vintage corded refrigerant timer by D-Frost-O Matic is a must-have for anyone interested in the history of HVAC and refrigeration controls. With its blue and Ivory design, it would make a great addition to any collection or as a decorative piece in a business or industrial setting. The timer is powered by corded electric and is perfect for those interested in the technical aspects of HVAC and refrigeration. It is compatible with a variety of parts and accessories and would be a valuable resource for anyone in the industry. Don't miss out on the opportunity to own this unique and historical piece of equipment.