The Glo-Ray® Built-In Heated Shelf with Flush Top is a versatile and efficient addition to your serving surface. With a surface area of 31-1/2" x 21", this shelf features a hardcoat aluminum top for durability and uniform heat distribution. The blanket-type element ensures that your food stays warm for longer periods of time. The built-in adjustable thermostat allows you to control the surface temperature to meet your specific needs. This heated shelf also comes with a 36" flexible conduit for easy power line installation. The standard controller includes a control thermostat, an illuminated power switch, and mounting brackets for convenience. The .75" flanged edge allows for easy installation into a countertop opening. The GRSBF models are available in various widths and depths to suit your specific requirements. Please note that models with a flush mount recessed electronic control box are not CE approved. In addition to the standard stainless steel color, this heated shelf is also available in black, navy blue, warm red, gray granite, white granite, hunter green, and antique copper. Optional features include conduit in lieu of the standard 3', stainless steel top surface, flush mount electronic control box with a lighted power switch and cord, and flush mount thermostatic control box with a lighted power switch and cord. Please note that non-standard colors are non-returnable and Hatco is not responsible for any counter damage caused by heat from the warmer.