The TRUE T-23 GDM Single Glass Door Upright Refrigerator is a professional commercial glass door merchandiser refrigerator designed for cafés, supermarkets, restaurants, convenience stores, and beverage display applications, featuring a single double-pane thermal insulated glass swing door with LED interior lighting for maximum product visibility and energy efficiency; it offers a storage capacity of approximately 23 cu. ft. (651–652 liters) with 4 adjustable heavy-duty shelves, while the factory-balanced forced-air refrigeration system maintains a consistent temperature range of 0.5°C to 3.3°C (33°F to 38°F) for optimal chilled storage and display performance; the unit is constructed with a durable white or black laminated exterior, NSF-approved aluminum interior with stainless-steel floor, self-closing door system, and environmentally friendly R290 refrigerant for energy-efficient operation, running on 220–240V single-phase power, with overall dimensions of approximately 736 mm (W) × 759 mm (D) × 1998 mm (H), making it ideal for commercial refrigerated merchandising and foodservice display environments.