The Glo-Ray® Heated Shelf is a free-standing shelf that measures 24" in width and 15-3/4" in depth. It features an adjustable thermostat, an aluminum base, and a stainless steel top. It is cUL, UL, UL EPH Classified, and ANSI/NSF 4 certified. This heated shelf is designed with a blanket-type element that ensures uniform heat distribution. It also has fiberglass insulation to keep the heat at the holding surface. The built-in adjustable thermostat allows you to control the surface temperature. The shelf comes with a 72" cord and plug attached for easy installation. The Glo-Ray® Blanket Heating Elements are warranted against burnout for one year. The shelf is made with an extruded aluminum base and a stainless steel top. It is available in widths ranging from 18" to 72" and depths ranging from 6" to 25.5". The standard legs are 4" for units 36" or wider, and 1" for units 30" wide and under. There are various options available at the time of purchase, including different designer colors for the top surface such as black, navy blue, warm red, gray granite, white granite, hunter green, and antique copper. There is also an option for a hardcoated surface instead of stainless steel on certain models. Accessories for the heated shelf include a slant leg kit for models 12" deep or deeper, 4" adjustable legs (standard on GRS-36 units and larger), and a pan rail for 19.5" models only. The pan rail is available in 2-pan, 3-pan, 4-pan, and 5-pan configurations.