Portable Air Filters For Viruses

Which hepa air purifiers can filter out the covid 19 virus.

Portable air filters for viruses.

Central furnace or hvac filters are designed to filter air throughout a home. 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. 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. Portable air cleaners and hvac filters can reduce indoor air pollutants that are airborne including viruses.

A filter change indicator alerts you when it s time to switch out filters. By themselves portable air cleaners and hvac filters are not enough to protect people from the virus that causes covid 19. The difference between air purifiers air cleaners and air filters. So in theory a merv 13 filter might be able to filter viruses out of the air depending on the specific virus.

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. 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. The particular strain of coronavirus that s causing covid 19 known as sars cov 2 measures between 05 and 2 μm in diameter. Air purifiers are often conflated with air filters but they differ slightly said john mckeon md and ceo of allergy standards.

No system has been proven to filter covid 19 as of yet as it is a new virus. 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. Air filters and viruses.

This purifier clears the air of dust dirt pollen allergens and germs and viruses with a true hepa filter and.