Beverage Air FLG24HC-1-B 24" Glass Froster and Plate ChillerThe Beverage Air FLG24 1 B comes standard with a black painted steel exterior and aluminum interior and is equipped with a stainless steel top. Foamed in place CFC and HCFC free polyurethane insulation enhances the structural strength of the cabinet and helps increase energy efficiency. This glass froster helps to keep your customers' beverages cool as it chills their glasses down to 0F and below. The FLG24 1 B refrigeration system uses R404A