Qualirey 4 Pack 10W Bug Zapper Replacement Bulb T8 Light Tube for 20W Electronic Bug Zapper Compatible with Most 20W Mosquito Zapper Lamp

["[ bulb Size] : you will receive 4 packs fluorescent mosquito tubes; Tube Size: 13L x 1W x 1H inches, total length including pins on both sides is 13 inches; Wattage: 10W","[ fit Model] : qualirey T8 10W Replacement Bulb, Compatible with 20W Electric Insect Exterminators; Please measure and confirm the bulb size of the original exterminator before purchase","[ long Lasting] : lasting Exterminator Replacement UV bulb has a life span of 3000 hours, for best working results, it is recommended to replace the T8 10W UV bulb after about 3-4 months of continuous use","[ energy Saving and Effective Pest Control] : the Qualirey T8 10W replacement bulb reduces energy consumption and lowers electricity bills through its efficient design, while providing a total of 20W UV light for mosquito lamps, ensuring powerful attraction and elimination of pests","[ 360420nm Wavelength] : qualirey T8 10W UV replacement bulb has a wavelength range of 360 - 420nm, which is in the UVA spectrum; This wavelength range effectively attracts mosquitoes, gnats, moths and other flying insects, providing superior pest control","[ note] : 1; Not suitable for outdoor, equipment should be away from rain; 2; Unplug them before cleaning, wait a few hours to make sure the current and heat from the bulbs subside, and then replace them"]