When it comes to air purification, it's important to distinguish between HEPA and True HEPA air purifiers to ensure your needs are met. True HEPA filters are capable of capturing 99 percent of particles of 2 microns or more, such as pet dander and dust. These particles are too small for the human eye to see, but they can penetrate the lungs and cause problematic reactions. When shopping for an air purifier, you may come across expressions such as “true HEPA”, “HEPA-like”, “H13 HEPA” and “medical grade HEPA”.
Are all of these filters the same type or are there differences between them? According to the EN 779 standardization standard, there are different kinds of HEPA filters. Classic HEPA filters are usually class H10, H11 or H12. The best hepa air purifiers will use H12 HEPA filters. H13 HEPA filters are so comprehensive that they are used in medical environments; hence the name “medical grade”. If you're looking for a high-efficiency air purification device, look for one with an H13 HEPA filter.
The best medical grade HEPA air purifiers are those with H13 HEPA filters. Medify MA-112 is by far the best HEPA H13 air purifier with a medical grade filtration system. It uses premium HEPA filters that are protected by a complete pre-filter designed to capture large particles such as pet dander (which would otherwise overflow the HEPA H13 filter). In addition to the pre-filter and the important medical grade HEPA H13 filter, the Medify MA-112 has an activated carbon filter that facilitates the adsorption of odors and other gases, such as VOC (formaldehyde and benzene).
Alen BreatheSmart 45i is another great option for those looking for a medical grade air purifier. It has the option to choose any of the 3 types of H13 medical grade HEPA filters. The most basic version is designed to eliminate dust, mold, and pet odors. The H13 HEPA filter will remove more than 99% of all air particles that pass through Alen BreatheSmart 45i and are as small as 0.1 micron.
Levoit LV-H135 is a well-known brand of air purifiers in the U. S. UU. It has a HEPA H13 filter that can capture more than 99% of the smallest air pollutants that are small, up to 0.1 micron in size.
Levoit LV-H135 is a fairly quiet device with maximum noise levels of 54 dB. Okaysou AirMax8L has a unique Ultra-Duo purification system with HepaSilent technology that makes it one of the quietest units on the market. Most HEPA H13 air purifiers that experience air pressure drops will result in higher noise rates (above 60 dB). Okaysou AirMax8L has a noise rate of 51 dB.
In conclusion, improved HEPA H13 air purifiers are more difficult to integrate into an air purifier but they offer increased air purification as a result of smaller HEPA H13 pores which makes them well worth the engineering effort and a slightly higher price.
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