High-efficiency 15-watt 365nm Blue Light U-shaped replacement bulb designed for standard bug zappers. Features ultraviolet light technology that attracts flying insects effectively, drawing them toward the electrified grid for pest control. Compatible with most bug zapper fixtures. Easy installation—simply replace your existing bulb. Ideal for patios, decks, garages, and outdoor spaces where insect control is needed. Long-lasting performance keeps your zapper running at peak effectiveness throughout the season.