Fluorescent UV blacklight tube type F4T5BL features unfiltered (UV) blacklight energy. This isn't the traditional black lens colored blacklight tube, however it emits the same UV energy plus visible energy. Used in various scientific equipment, UV curing devices, etc. Size T5 (6" long x 0.6" diameter) with standard G5 2-pin base. Rated 4 watts. Brand new.
Sold as a package of 10.