The AllPoints Foodservice Parts & Supplies 38-1558 is a high-performance appliance light bulb designed for durability and safety. Measuring 3-1/2 inches in length and 1-7/8 inches in diameter, this shatter-resistant bulb can withstand temperatures up to 500°F, making it ideal for high-heat environments. It features a SAF-T-COTE® Teflon coating for added protection and is USDA approved, meeting FDA and OSHA requirements. With a power output of 40W and operating at 120V/60/1, this incandescent bulb is a reliable replacement for Marsal and Sons models 501866 and 502239 (CCC item SQ-101).