True’s refrigerated back bar coolers are designed with enduring quality and value. Our commitment to using the highest quality materials and oversized refrigeration assures colder product temperatures and years of trouble-free service. Factory-engineered, self-contained, capillary tube system using environmentally friendly R290 hydrocarbon refrigerant that has zero (0) ozone depletion potential (ODP), & three (3) global warming potential (GWP). High capacity, factory-balanced refrigeration system that maintains cabinet temperatures of 33°F to 38°F (.5°C to 3.3°C) for the best in food preservation. Exterior – Black, powder-coated cold-rolled steel with stainless steel countertop. Interior – Stainless steel floor with 1/2" (13 mm) reinforced lip and heavy gauge galvanized steel walls. NSF/ANSI Standard 7 compliant for packaged and bottled products. Positive seal doors. The entire cabinet structure and solid doors are foamed-in-place using a high-density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).