Oversized, factory balanced, refrigeration system holds 33(degree)F to 38(degree)F (.5(degree)C to 3.3(degree)C) for the best in food preservation. Low-E , double pane thermal insulated glass. Designed to accept roll-in racks (inboard castors) with maximum dimensions of 27"L x 29"D x 66"H (686 mm x 737 mm x 1677 mm)(supplied by others). One (1) heavy gauge stainless steel ramp standard. Three (3) lifetime guaranteed, cam-lift hinges. Full 180(degree) open capability with a stay open feature at 120(degree). Lifetime guaranteed bolt style door locks standard. Entire cabinet structure and solid door are foamed-in-place using Ecomate. A high density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).