Equipped with low-velocity fans to assure even temperature distribution throughout the cabinet. Fans are controlled by exterior on/off switch. Two (2) stainless steel 1000 watt finned tube heating elements per section for uniform generation of electric heat. Cabinet comes with a total of 4000 watts. Three (3) lifetime guaranteed, cam-lift hinges. Full 180° open capability with a stay open feature at 120°. Designed to accept roll-in racks (inboard castors) with a maximum dimension of 27"L x 29"D x 66"H (686 mm x 737 mm x 1677 mm). One (1) heavy gauge stainless steel ramp standard (per door). 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).