True s pizza prep tables are designed with enduring quality that protects your long term investment. Factory engineered, self-contained, capillary tube system using environmentally friendly R290 hydro carbon refrigerant that has zero (0) ozone depletion potential (ODP), & 0.02) global warming potential (GWP). Forced-air design holds 33(degree)F to 41(degree)F (.5(degree)C to 5(degree)C) product temperature in food pans and cabinet interior. Complies with ANSI/NSF-7. Complies with and listed under ANSI/NSF-7. Exterior - stainless steel front, top, sides, and back. Stainless steel, patented, foam insulated flat lids keep pan temperatures colder, lock in freshness, and minimize condensation. Interior - Stainless steel liner. Stainless steel floor with coved corners. 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 a high density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).