The 13w E27 BL350 fits into standard E27 fixtures, so you can easily replace existing bulbs in your fly zapper with this fly killer bulb. EASY TO INSTALL - The FLY KILLER BULB ENERGY SAVER 13W E27 BL368/BL fits into standard E27 Screw fixtures, making it easy to replace existing bulbs in your fly zapper with this UV BL350 fly killer bulb.
