Air Filtration Hepa Filter Diagram
It is an acronym for high efficiency particulate air filter as officially defined by the u s.
Air filtration hepa filter diagram. Additionally all testing is performed using brand new filters. Hepa filter diagram en svg. The thick brown tan lines represent fibers in the filter medium. Purchase replacement filters for all blueair models and learn more about our two filter types particle and smokestop.
Filters meeting the hepa standard must satisfy certain levels of efficiency. Portable air cleaners also known as air purifiers or air sanitizers are designed to filter the air in a single room or area. The dark circle represents a particle dust bacteria spore etc. High efficiency particulate air hepa also known as high efficiency particulate absorbing and high efficiency particulate arrestance is an efficiency standard of air filter.
A hepa high efficiency particulate air filter is a device made of extremely close knit fibers that capture and remove impurities from the air. Central furnace or hvac filters are designed to filter air throughout a home. The filters are made of various synthetic fibers. This type of air filter can theoretically remove at least 99 97 of dust pollen mold bacteria and any airborne particles with a size of 0 3 microns µm.
Portable air cleaners and hvac filters can reduce indoor air pollutants that are airborne including. There is no construction standard because the term merely designates an efficiency rating. Air cleaners and hvac filters in homes. The blue lines represent air flow.
Common standards require that a hepa air filter must remove from the air that passes through at least 99 95 european standard or 99 97. Air conditioners with air purifier technology including hepa filters seem to offer almost a 2 in 1 appliance an air purifier and an air conditioner. Blueair due to the covid 19 and wildfire crisis please allow for extra time in shipping orders. High efficiency particulate air hepa filters were invented during world war ii as a way to prevent radioactive particles from escaping laboratories.
Diagram showing the main parts of a hepa filter on the large diagram. The ability to block 99 97 percent of all particles 0. Standard hepa air filters remove between 99 97 and 99 99 of particles as small as 0 30 microns from the air stream. Its operation is shown on the 3 smaller diagrams.
They are commonly used in hospitals operating rooms patient isolation rooms pharmaceutical processing facilities and similar locations that must meet strict air cleanliness standards. According to the environmental protection agency hepa filters catch at least 99 97 percent of dust pollen mold bacteria and any airborne particles. Hepa is a type of pleated mechanical air filter.