Designed using the highest quality materials and components to provide the user with colder product temperatures, lower utility costs and exceptional food safety. High capacity, factory balanced, refrigeration system holds 33(degree)F to 38(degree)F (.5(degree)C to 3.3(degree)C) for best food preservation in extreme conditions. Vertical LED interior lighting mounted on interior of cabinet. Lighting runs entire length of door opening. Safety shielded. Low-E , double pane thermal insulated glass. Stainless steel exterior and interior. Positive seal self-closing doors with 120(degree) stay open feature. Lifetime guaranteed door hinges. Lifetime guaranteed heavy duty all metal working door handles. STR Series Shelving - (3) heavy-duty, chrome-plated wire shelves per section. Shelves are 23-13/16 L x 25-5/16 D (605 mm x 643 mm). Four (4) chrome plated shelf clips included per shelf. Entire cabinet structure is foamed-in-place using a high density, polyurethane insulation that has zero ozone depletion potential (ODP) and zero global warming potential (GWP).