Frosted Quartz Halogen photo light bulb. This 250-watt e27 base bulb includes a double-frosted glass envelope that allows for touching the bulb without degrading the life of the bulb. Bulb life is about 450 hours. Set of 4.
CAUTION: DO NOT USE IN PLASTIC SOCKETS. DO NOT TOUCH THE BULB WHILE ILLUMINATED OR AFTER IT HAS BEEN TURNED OFF.