18-Inch 16 watt Slim T5 Blacklight Fluorescent Tube

18-Inch 16 watt / 120V Poster Blacklite Fluorescent Tube fits our Poster Blacklite Fixture only (order code: BL16B). Ultra slim (T5) tube projects excellent black light effects to illuminate full size posters in any room! F16T5. This bulb does not work in standard T8,T10, or T12 size fixtures as the diameter of the bulb is too narrow for standard fixtures.