The Science of Clean Air


As a company in the air purification industry and whose products are used in thousands of medical institutions and homes around the world, we take the millions of lives of the public with the utmost of importance. We are committed to delivering to you, the highest quality and manufacturing excellence. Our filtration systems go through rigorous testing and standards and all tests are conducted and certified by independent third-party laboratories. 


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Airpura air purifiers have been used by hospitals and homes around the world as part of their protocol for microorganism containment for the past two decades. 

Our products are part of a preventative number of measures that can be done to protect yourself from viruses, bacteria and mold .
Here are the test results that were performed on our UV air purifiers (the UV600 and the P600) conducted by Dr. Wladyslaw Kowalski, Aerobiological Engineering, LLC, 2015 on behalf of Airpura to attest to the air purifier's efficacy at removing some of the world's most deadliest and contagious airborne viruses, bacteria and mold.


For the past two decades, Airpura air purifiers have been used in medical environments to abate particles that are being aerosolized through various medical procedures. Aerosolization may cause the COVID-19 particles to become airborne.

Airborne transmission may happen, as has been shown with other viral respiratory diseases, during aerosol-generating procedures (e.g., tracheal intubation, bronchoscopy), thus WHO recommends airborne precautions for medical workers during these procedures. Over the past few years, COVID-19 respresents the 5th pathogen where hospitals have employed the same air safety protocol as they have used previously in the treatment of SARS. 

The information that is being made available to the public is continually changing, but here are the latest studies from eminent medical journals. Consumers can review the science and research that has been conducted regarding the treatment and prevention of COVID-19 and be the judge themselves.

Air Purifiers: A Supplementary Measure
to Remove COVID-19 

New study * shows that air purifiers have the potential to reduce the exposure of healthcare workers to virus-laden aerosols and serve as a useful supplement to other protective procedures. Additionally, COVID -19 patients, or suspected cases, who are being quarantined at home, using air purifiers can also reduce the exposure of those in the same households to the virus-laden aerosols, thus reducing the risk of household infection

*Study Available Here:


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A study* was conducted at two Wuhan hospitals during the COVID-19 outbreak in February and March 2020. These hospitals were designated to treat patients testing positive for COVID-19 (coronavirus). The study investigated the aerodynamic nature of COVID-19 within different areas of the hospital and ways to remove traces of the virus. Findings concluded that viral RNA of COVID-19 with aerosol size distributions were reduced to undetectable levels in the high-risk areas of the hospital after prolonged operation of indoor air purifiers as part of sanitization protocols.

*Nature: "Aerodynamic analysis of SARS-CoV-2 in two Wuhan hospitals, April 27, 2020 

WHO specifically recommends the use of indoor air purifiers with HEPA filters for the management of Severe Acute Respiratory Infections (SARI) treatment settings. 

Severe Acute Respiratory Infections Treatment Centre

WHO- World Health Organization

March 28, 2020


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Coronavirus could travel 27 feet, stay in air for hours: MIT researcher

Pathogen-bearing droplets of all sizes can travel 23 to 27 feet. Droplets that settle along the trajectory can contaminate surfaces. Residues or droplet nuclei may stay suspended in the air for hours.

Turbulent Gas Clouds and Respiratory Pathogen Emissions

Potential Implications for Reducing Transmission of COVID-19

Journal of the American Medical Association

Lydia Bourouiba, associate professor at MIT

March 26, 2020

aerosolized virus

 “SARS‐CoV‐2 remained viable in aerosols throughout the duration of our experiment (3 hours), with a reduction in infectious titer from 103.5 to 102.7 TCID50 per liter of air.”

New England Journal of Medicine published on March 17, 2020  

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Not All HEPA Filters are Created Equally


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Airpura's HEPA filter is filter class H14 and tested in accordance with the European filter standards EN-1822.

H14 Efficiency at 99.995% Efficiency


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In studies conducted by McGill University, it was confirmed that the material used in Airpura's HEPA filters showed close to 100 % aerosol particle removal efficiency for nanoparticles. These particles are as small as 0.01 micron (10 nm)!

Our Cutting Edge Technology

is a Breath of Fresh Air

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  • Pressure seal: Airpura's unique pressure seal on the filter chamber ensures that all of the dirty air passes through the filters. Other systems allow leakage and do not achieve the 99.97 % Hepa filtration rating;
  • Maximize filtration with no rubber off-gassing found with other filters and using a felt gaskets seal the filter chamber.;
  • No plastic vapors are emitted due our all metal housing;
  • Backward curved motorized impeller eliminates the vibrations and noise associated with older motor and shaft set ups;
  • Motor out of the air flow. Most air purifiers blow the clean air over the motor and pick up fresh impurities;
  • Unimpeded airflow simple and direct internal airflow avoids the air turbulence, inefficiency and noise associated with more convoluted systems;
  • Separate electrical parts chamber prevents any off gassing from capacitors, condensers or switches;
  • Softer appearance and 360 degree air intake and distribution due to a perforated steel exterior
  • Separately changeable filters. The HEPA and carbon filters can be changed separately so you only change them when appropriate and save operating costs.

Technical Specifications

Maximum Air Flow

560 CFM (More cfm than any other portable unit available on the market today).

Quiet performance

28.1db on low (at 6 feet); 62.3db on high (560cfm); (Room level 25.1db)

Chemical/odor control

18 - 30 lbs Carbon, regular or special blend 570 sq in surface area, 13" x 2"- 3" deep

Voltage options 

110V-120V or 220V-240V   50/60 Hz


23" height, 15" diameter


45 lbs total weight


Powder coat steel body; 4 easy roll casters


120 on high; 40 on low


Permanent split capacitor; backward curved motorized impeller

ETL Certified

Conforms to ANSI/UL 507 CSA C22.2 no 113CB, KC

True Hepa

True HEPA 40 sq ft: Warm rolled to prevent cracking, 12 pleats per sq inch to maximize filtration. Spacers to make sure every fold filters.


570 sq in x 1" deep

                Our revolutionary technology is proven to eliminate a wide range of chemicals, pollutants and odors leaving only clean and fresh air.

                • Pet Dander
                • Pollen
                • Tobacco smoke
                • Mold spores
                • Dust
                • Allergens
                • Odors
                • Chemicals
                • Disease-causing microorganisms