Usage Tips: [Fit Models]: T8 10W replacement bulbs for Aspectek, Liba, Micnaron, Lulu Home most 20W electric bug zappers. No. 97341-CHN-1; Please measure and confirm the bulb size of the bug zapper before purchasing [365Nm Wavelength]: Emits a peak wavelength of 365nm ultraviolet light, which is highly attractive to mosquitoes and other flying insects; This wavelength falls within the UV-A spectrum [Long Lasting]: Long-lasting bug zapper replacement UV bulbs with over 3000 hours of life; For optimal performance, replace the T8 10W UV bulbs every 3 to 4 months under continuous use [Bulb Size]: Includes 10 bug zapper bulbs; Bulb dimensions: 13L x 1W x 1H inches; Total length including pins: 13.5 inches; Wattage: 10W Color: As shown Material: Glass Package Contents: 10 x Bug Zapper Light Bulbs (variations in printed labeling may occur) Content limited to items listed; other products not included Note: Lighting and display differences may cause slight color variations between image and actual item; Measurement tolerance: +/- 1-3 cm