The Marshall Air 504140 Appliance Lamp, available at PartsFe copyright, is a 40W, 130V light bulb designed for use in commercial kitchen appliances. This lamp is likely used in ovens, warmers, or other equipment requiring high-temperature illumination. The "Pfacoated" indicates a protective coating to prevent shattering and enhance durability. https://partsfe.ca/504140-marshall-air-appliance-lamp-40w-130v-pfacoated