NEW AIR NBD-90-SB Solid Triple Door Beer Dispenser – 916 L / 32 Cu. Ft. – Ideal for Bars, Restaurants, Hotels & Cafés. The NEW AIR REFRIGERATION NBD-90-SB Solid Triple Door Beer Dispenser is the ultimate solution for bars, restaurants, hotels, and cafés seeking a reliable and stylish draft beer system. With an impressive 32 cu. ft.