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 - stainless steel front and sides. Matching aluminum back. All stainless steel counter top. Interior - 300 series stainless steel floor with1/2" (13 mm) reinforced lip and heavy gauge galvanized steel walls. NSF-7 approved for packaged and bottled product. Positive seal doors. Entire cabinet structure and solid doors are foamed-in-place using Ecomate. A new, innovative, high density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).