Check the listing for details. True GDM-72-HC 3 Glass Door Commercial Merchandiser Refrigerator. Condition: Used. Listed at 3607.50 USD. With a spacious 72 cu. The triple-pane thermal insulated glass doors enhance visibility while maintaining cold temperatures. Horsepower: 1 HP. Frequency: 60 Hz. Low Side: 170. High Side: 277.