F4W BLB 6 Inch 4w T5 Blacklight Blue Tube
F4W/BLB - A 6inch 4w T5 Blacklight blue Tube with a G5 cap. These lamps are frequently used for inspection and forgery detection purposes as well as in nightclubs and sign lighting. They have an average lamp life of 6,000 hours and an A class energy rating.
