Portable Air Filters For Viruses

But there is research supporting an air purifier s ability to filter common airborne viruses as long as the infected air is captured by the system.

Portable air filters for viruses.

The particular strain of coronavirus that s causing covid 19 known as sars cov 2 measures between 05 and 2 μm in diameter. 1 micron 10 6 m 1 μm. In 2003 during the sars outbreak the hong kong hospital authority recommended hospitals use portable air purifiers with hepa filters to help reduce transmission to healthcare workers if. No system has been proven to filter covid 19 as of yet as it is a new virus.

As for air purifiers the best air purifier for bacteria and viruses uses an ultraviolet light silver infused hepa filter or heat sterilization. Air filters and viruses. Air purifiers with hepa filtration efficiently capture particles the size of and far smaller than the virus that causes covid 19 and many readers have asked whether air purifiers can help. Central furnace or hvac filters are designed to filter air throughout a home.

A filter change indicator alerts you when it s time to switch out filters. The difference between air purifiers air cleaners and air filters. The size of contaminants and particles are usually described in microns a metric unit of measure where one micron is one millionth of a meter. Air purifiers are often conflated with air filters but they differ slightly said john mckeon md and ceo of allergy standards.

It is important to keep in mind that a merv 13 filter only removes 50 of those. Which hepa air purifiers can filter out the covid 19 virus. By themselves portable air cleaners and hvac filters are not enough to protect people from the virus that causes covid 19. Portable air cleaners and hvac filters can reduce indoor air pollutants that are airborne including viruses.

Portable air cleaners can limit the spread of the virus via long range airborne particles by capturing most of those particles in a hepa filter and cleaning the air at a rate of up to six times.