Vollrath 7277036 36" Cayenne Left Aligned Heated ShelfCayenne Heated Shelves feature front and back heat zones to reduce energy spending 50% during peak times and 33% to 66% during off peak times by heating only the zone which is needed. Stainless steel top and outer construction provides years of service. Aluminum core provides even heat distribution. Front and back heat zones for cost efficient use during peak and off peak times. Thermostatically controlled unit maintains even and accurate temperature.