[Fit Models]: T8 10W replacement bulbs for Aspectek, Liba, Micnaron, and Lulu Home 20W electric bug zappers; Please measure and confirm the bulb size of your 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 UV bulbs with a lifespan of over 3000 hours; For optimal performance, replace the T8 10W UV bulbs every 3 to 4 months with continuous use [Bulb Size]: Pack of 8 bug zapper replacement bulbs; Bulb dimensions: 13L x 1W x 1H inches; Total length including pins: 13.5 inches; Wattage: 10W Note: Print markings may vary between batches; This does not affect functionality Color: As shown Material: Glass Package Contents: 8 x Bug Zapper Light Bulbs