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 37-1/2" x 31-1/2", this shelf features a hardcoat aluminum top for durability and uniform heat distribution. The built-in adjustable thermostat allows you to control the surface temperature, while the illuminated on/off switch makes operation easy. The shelf also comes with a mounting bracket for easy installation. This NSF, cUL, UL, UL EPH Classified, ANSI/NSF 4, CSA certified shelf is recommended for use in metallic counters and can withstand temperatures up to 200°F (93°C). Optional features include designer colors for the flush mount control bezel box, conduit options, stainless steel top surface, and different control box options. Please note that models with a flush mount recessed electronic control box are not CE approved and non-standard colors are non-returnable. Hatco is not responsible for any counter damage caused by heat from the warmer.