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You'll also find UV (ultraviolet light) filters on the market, which often claim to destroy biological impurities like mold or bacteria; but many require higher wattage and greater exposure to be ...
Costco Auto offers online search tools to find the car you want, a no-haggle buying process through participating dealerships, and a Costco members' only discount that's worth getting.
Featuring a direct drain for continuous operation, this humidifier has a powerful two-speed fan, a 24-hour programmable timer and auto restart. Quite a steal. Buying this item directly from Danby ...
An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .
UV light is electromagnetic radiation with wavelengths shorter than visible light but longer than X-rays. UV is categorised into several wavelength ranges, with short-wavelength UV (UV-C) considered "germicidal UV". Wavelengths between about 200 nm and 300 nm are strongly absorbed by nucleic acids.
An example of a homemade unit. The Corsi–Rosenthal Box is a design for a do-it-yourself air purifier that can be built comparatively inexpensively. It consists of four [1] or five [2] [3] HVAC particulate air filters that form a cube and a box fan to draw air through the filters.
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