Slylvania PAR38 H44GS-100WMercury PAR38, Sylvania H44GS-100/MDSK

Sylvania H44GS-100M 100 watt Par38 Mercury Light Bulb – 100w Mercury Vapour

Mercury PAR 38 100 watt lamp. – This bulb is a high efficiency source of actinic radiation, and is used for a number of special applications which take advantage of their strong ultra-violet output. Commonly used for fault and crack detection in alloys.