True's pizza prep tables are designed with enduring quality that protects your long term investment. Oversized, environmentally friendly (R134A) forced-air refrigeration system holds 33°F to 41°F (.5°C to 5°C). Complies with and listed under ANSI/NSF-7-1997-6.3. All stainless steel front, top and ends. Matching aluminum finished back. Stainless steel, patented, foam insulated flat lids keep pan temperatures colder, lock in freshness, and minimize condensation. Extra-deep 19 1/2" (496 mm) full length removable cutting board included. Sanitary, high density, NSF approved white polyethylene provides tough preparation surface. 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).