740 REFRIGERATION EQUIPMENT AND ACCESSORIES 74005 * Ammonia 74009 * Bacterial and Odor Control Equipment 74012 * Cold Storage Doors 74013 * Cold Storage Vaults, Walk-In Coolers, and Shelving 74017 * Compressors 74020 * Compressor Repair Parts 74024 * Condensing Units 74028 * Cylinders, Empty (For Refrigerant Gases) 74030 * Display Cases, Refrigerated 74032 * Dry Ice Making Machines 74036 * Gaskets and Felts 74040 * Hand Tools, Refrigeration 74045 * Ice Making and Dispensing Machines (Not Dry Ice) 74055 * Refrigerant Gases (Except Ammonia) 74059 * Refrigeration Accessories: Capillaries, Controls, Dryers, Expansion Valves, Refrigerant Oil, Sight Glasses, Thermometers, Vibration Eliminators, etc. 74060 * Refrigerant Recovery Systems and Accessories 74063 * Refrigeration Tubing and Fittings 74066 * Refrigeration Units (For Vaults and Walk-In Coolers), Complete and Self Contained 74070 * Refrigerators and Freezers, Commercial 74085 * Vending Machines, Refrigerated