True's worktop units are designed with enduring quality that protects your long term investment. Designed using the highest quality materials and components to provide the user with colder product temperatures, lower utility costs, exceptional food safety and the best value in today's food service marketplace. Oversized, environmentally friendly (134A) forced-air refrigeration system holds 33°F to 38°F (.5°C to 3.3°C). All stainless steel front, top and ends. Matching aluminum finished back. Top and backsplash are one piece formed construction. Bacteria and food particles cannot be trapped underneath as with other two-piece worktop units. Front breathing. Heavy duty PVC coated wire shelves. Foamed-in-place using Ecomate. A high density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).