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New air purifying device ‘can prevent disease’


RIYADH: A British company has started selling an air purifier it claims can significantly reduce the spread of respiratory diseases by capturing pollutants roughly 100 times smaller than a human hair.
Dyson claims the product removes 99.95 percent of potentially harmful ultrafine particles. Addressing a press conference at the launch recently, Hugo Seymour from Dyson said the company’s engineers had produced revolutionary technology in the product.
The filter, which is available as either a desk or tower fan, is located in its base, which uses a 360-degree glass HEPA filter. This contains 1.1 square meters of constructed microfibers, which when unfurled amounts to about six meters. The filter has been pleated over 200 times to help it trap more minute particles. 
Once the air has been passed through the filter, it is projected back out through the amplifier loop fan above. Each filter will last for around 180 days of constant use.
Air purifiers can help capture pollutants, bacteria, viruses, pollen, allergens and odors. But some existing purifiers are inefficient, forcing air through their filters too quickly and allowing these potentially harmful, ultrafine particles to escape back into the room. 
The World Health Organization (WHO) estimates that over 3.5 million people die each year from air pollution and about half of the urban population being monitored by WHO is exposed to air pollution that is at least two and a half times higher than recommended levels.

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