Bug Zapper Replacement Bulb, 15W, 4-Pin U-Tube Design

To ensure that bug zappers are effective in attracting flying insects, the bulbs should be replaced every season for for maximum effectiveness. Bug zapper bulbs can emit a wavelength of 365nm light to attract mosquitoes, gnats, moths, and other flying insects without chemicals. What You Get: 1 × 15W replacement bulb, Size: 7.76" L x 1.77" W x 0.78" H Please measure and confirm the bulb size of the original bug zapper before purchasing.