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. Oversized, factory balanced, refrigeration system holds 33°F to 38°F (.5°C to 3.3°C). 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-7 is approved for packaged and bottled products. Positive seal doors. The entire cabinet structure and solid doors are foamed-in-place using Ecomate. A high-density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).