True's undercounter 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). Stainless steel front and countertop. Matching aluminum sides and finished back. Attractive, white aluminum liner. Stainless steel floor with coved corners. 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).