Utilizes counter display space more efficiently, 35% more display capacity with extended length vs. standard models. Unique serpentine shaped heating elements evenly distribute heat throughout the unit. Provided with insulation to protect interior parts and countertops from heat build up. Exterior constructed with heavy-duty stainless steel for excellent durability. Interior liner formed out of tough stainless steel. Backed by a 1-year parts and labor warranty. Infinite control with Bitmetal Thermostat Backup.