Quartz Lamp, Fostoria, Size- 3/8 IN, 120 V, Frequency Rating- 50/60 HZ, 500 WTT, Style- Coiled Element with Sealed Porcelain End Caps, Insert Length- 8-11/16 IN, Housing Quartz, Clear. For Use With MM-13A Mitey Midget Electric Infrared Heater