UVBrite 4-Pack BL T8 F15W Fly Killer Replacement Bulbs Upgraded 368nm 13in (450mm) 15 Watt UV Tubes for Insect Mosquito Bug Zapper

Effective UV-A Light Attraction: UV-A light is the most effective way to attract flying insects, such as flies, moths and mosquitoes. This high performance bulb is designed to emit ultraviolet light that attracts flies and other flying insects, effectively eliminating them without the use of harmful chemicals or toxic pesticides. Available in either a T5 or T8 fitting with a tungsten filament for added durability giving an average rated life of 8000 hours. The bulb is a safe and cost-effective option for your home or workplace, the light will not harm human eyes or skin and is safe to use around pets Wide Compatibility with Multiple Brands: Direct replacement for many types of insect fly killers and bug zappers such as EazyZap, Xterminate, Prozap, Vermatic, PlusZap, Flymatic and Lidl Livarno Bug Zapper (4W). They are suitable for twist fit lamp holders only. Replace every 6 to 12 months to ensure optimum performance. Replacement for many 4w / 6w / 8w / 16w / 20w / 30w / 40w Fly Killers & Zappers Optimized 368nm Peak Wavelength: Special glass layer transmits ultraviolet light in a spectral band to effectively attract all species of flying insects both in daylight and night time. Our UV tubes emit an upgraded highly concentrated peak wavelength of 368nm, flying insect eye sensitivity is generally at or near this frequency making an effective lure. PLEASE NOTE: These UV tubes WILL NOT work in a LED type fly killer machine Versatile Residential and Commercial Use: Replacement bulb designed specifically for use with many types of electric fly and mosquito killers or zappers, for both residential and commercial use. Suitable for domestic applications such as kitchens, bedrooms, lounge and conservatory and commercial applications such as pubs, restaurants, cafes, take aways and nursing homes Normal Operating Characteristics: The inside of the bulb contains metal particles or gaseous metal that excite UV-A light, you may hear a clicking sound when you shake the bulb, this is normal, it is not a broken filament and will not effect the performance T8 15W Specifications: This package includes 4 x T8 15W BL bulbs with 18 inch (450mm) length, specifically designed for fly and mosquito insect killer applications with 368nm UV wavelength output, Manufacturer: UVBrite