Modern State-of-the-Art Styling. Performance Rated Refrigeration System Utilizing Environmentally Safe R-134a Refrigerant. 3" Non-CFC Polyurethane Foam Insulation. Cam-Action Lift-Off Hinges. Self-Closing Doors. 5" Casters. Heavy-Duty, Epoxy-Coated Steel Shelves. External Digital Thermometer. Double-Pane, Tempered Hinged Glass Door. Fluorescent Interior Lighting. Adjustable Temperature Control, Range +2°C to +8°C, Factory Preset at +4°C.