FlyWeb Fly Light EL22 9 Watt UV Bulb - Questions & Answers

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  • Asked by Hiram
    What is black light?
    A black light, also referred to as an Ultra Violet Light is a bulb that emits a light that the human eye perceives as deep blue or violet. Most folks associate these lights as the ones that make your white clothes glow in a very dark room. In the pest control industry we know that these lights are highly attractive to flies and they are often used in fly light traps.
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