APW Wyott RW-2V is an 11Quart model that has heating elements surrounding the sides that evenly distribute heat throughout the unit. Effectively keeps hot foods, soups, and sauces at consistent levels above 140 degrees. The unit is provided with insulation to protect interior parts and countertops from heat build-up. These round warmers are constructed with heavy-duty stainless steel on the exterior and the interior liner is made with durable stainless steel also for long life.