BrightArk LED FSL BL T8 F10W Insect Killer Replacement Bulbs, 13 Inch Mosquito Lamp Bulb Tube for 20 W Electric Fly Killer/Bug Zapper/Fly Zapper/Mosquito Killer, Pack of 4

Improved performance: BrightArk LED FSL BL T8 F10W bulbs suitable for most 20 W insect killers. Curl and catch house flies, mosquitoes, moths and more with the main wave length of 365 nm, which ensures excellent catching and energy-saving function. Safe and environmentally friendly: Non-toxic, odourless and chemical-free replacement bulbs - 100% environmentally friendly, CE certified and RoHS compliant for the safety of your family and pets. Perfect for use in living rooms, dining rooms, kitchens, food storage rooms and hallways in front of doors. Easy installation: Unplug the plug, drain residual current, remove the old bulb by pressing down the protective grille and replace it with our high-quality bulb. A replacement every 3-5 months ensures optimal performance. Useful tips: normal rattling noise due to the necessary mercury crystals inside the bulbs. Please measure and confirm the specifications and length of the bulb before purchasing. Customer satisfaction: Each bulb is thoroughly tested before packaging. If you have any questions or concerns, please feel free to contact us. With BrightArk powerful bulbs for a bug free environment.