True's TUC-27-LP-HC undercounter units are designed with enduring quality that protects your long term investment. Designed with the highest quality materials and components to provide you with colder product temperatures, lower utility costs, exceptional food safety, and the best value in today's food service marketplace. "Low profile" models are designed to fit under custom built countertops. Contains environmentally friendly R290 hydrocarbon refrigerant that has zero ozone depletion potential (ODP) and global warming potential (GWP) of three. Oversided, factory balanced refrigeration system holds 33-38F temperatures. Optional extras include: 2.5" casters, ADA compliant 3" casters, Exterior Rectangular Digital Temperature Display, Barrel Locks