Enjoy the outdoors pest free with this Black Flag 40 Watt White Bug Zapper Replacement Bulb. It is a 40 Watt unit which is designed as a replacement to keep your area void of flying insects that can be bothersome to family members while outside. This bug zapper bulb can fit into your Black Flag unit so you don t have to worry about being bit by mosquitoes or other insects. The Black Flag 40 Watt White Bug Zapper Replacement Bulb fits Black Flag bug zappers and helps to give your Black Flag Bug Zapper the boost you never thought it needed. Thanks to its UV white light you can attract more flying insects. Plus each Bulb provides 20 percent more bulb life with superior brightness and is super easy to install. You may be asking How does a bright light help get rid of flying insects? It s simple! The UV white light attracts the flying pests to the zapper making it easier for them to get zapped. Try out the Black Flag replacement bulbs and zap the bugs before they bite or bother you! 40 Watt Replacement bulb Fits Black Flag Bug Zappers Optimal UVA white light wavelength helps attract insects 20 percent more bulb life Easy to install