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Breathe Easy with Biotek Shield

The Biotek Shield device uses UVC light which is proven to be a highly effective virus neutralizing agent. Biotek Shield will neutralize all but 0.0001% of virus, bacteria and fungus and most other airborne pathogens from cabin air. UVC is far more effective than any other virus neutralizing product, returning passengers and crews to worry-free flying.

Biotek Shield installs in the air conditioning system without alteration

Biotek Shield installation overview. Biotek Shield installs into the aircraft air conditioning system inline with airflow.

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99.9999% effectiveness against all pathogens

Continuous cabin air treatment on ground and in flight

Proven UVC hospital grade effectiveness

Biotek Shield UVC treatment system works with aircraft existing filters to neutralize 99.9999% of pathogens Biotek Shield does not add anything to aircraft cabin air, unlike sprays, foggers and mist products

Biotek Shield works in the air conditioning system of commercial airliners, cleaning the air. In flight and on the ground, Biotek Shield from Aero Biotek neutralizes 99.9999% of all pathogens.

Biotek Shield cleans the air before it enters the cabin, as well as the recirculated air. Airflow enters the cabin above passenger heads and exits near the floor.

UVC light is used in hospital operating rooms and has been for some time. It works very well and neutralizes all contagions — LOG 6. Log reduction is a mathematical term that is used to express the relative number of living microbes that are eliminated by disinfection. LOG 6 neutralizes 99.9999% of all microorganisms. Hospital surgical suites disinfect to a Log reduction 5-6. Our test plan also includes testing our system with the COVID-19 virus.


Viruses and bacteria exist in the air in very large numbers that are difficult to describe directly. Due to this, the number of reduced viable organisms in the air after any treatment is measured on a log scale. See following chart for additional information on the effectivity scale — post treatment.

Log Scale

Log Scale Effectivity Pathogens Remaining Product Type
LOG 2 99% 10,000 Ionizer
LOG 3 99.9% 1,000 HEPA filters
LOG 4 99.99% 100 Topical spray
LOG 5 99.999% 10 -
LOG 6 99.9999% < 1 Biotek Shield UVC Light
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KAKE News Story About Biotek Shield
Biotek Shield UVA treats the air on the ground and in flight
Biotek Shield UVC cabin air treatment system press release

August 19, 2020


Crystal Walter

PWI, Inc.



Biotek Shield Neutralizes the Airborne Covid-19 Virus Maintaining Virus-Free Cabin Air on Commercial Aircraft

WICHITA, KS – PWI has developed a virus neutralizing system for use in fighting airborne contaminants aboard commercial aircraft. The device called Biotek Shield, is designed to be installed in the air conditioning system of the aircraft and uses UVC (ultraviolet) light technology to neutralize pathogens like bacteria and viruses- including H1N1, SARS, West Nile, Tuberculosis and coronavirus.

“In order to get the world back to some sort of normalcy, the public needs to be safe travelling. Now we can now help stop the airborne spread of pathogens and viruses inside aircraft.” says Robi Lorik, President and CEO of PWI. “Since viruses are not alive, nothing will “kill” a virus. But a virus can be rendered incapable of reproducing or infecting a host. UVC light has long been proven to neutralize the coronavirus and stop it from infecting others.”

UVC light has long been proven to neutralize the coronavirus and stop it from infecting others. PWI has contracted with a certified lab to test the effectiveness of Biotek Shield on neutralizing easily communicable contaminants.

“There are only a handful of BSL 3 or “Biological Safety - Level 3” labs which are authorized to test on live viruses like Covid 19,” says Lorik. “These viruses can be very dangerous, so locating a lab certified to test with Covid 19 was a challenge in itself.”

Once testing is complete, the lab is expected to certify that the UVC light used in Biotek Shield will neutralize 99.9999% of virus cells, rendering the virus unable to replicate itself or infect humans. The EPA uses a logarithmic scale to measure the UVC light’s effectiveness in neutralizing pathogens like the coronavirus. The lowest on the scale is a log-1 which kills 90% of live bacteria, but will not kill viruses as small as the coronavirus. The highest level is log-6 which kills 99.9999% of pathogens, including the coronavirus. The UVC used in Biotek Shield will use the most lethal - log-6 level - in negating the virus.

“Only a Log 6 system will neutralize the pathogens, and that’s what we’re developing in our device. There are other systems available, but they do not have the efficacy that ours will,” says Lorik. “Other systems use topical wands or foggers that are far less effective and are one-time-only use, without continual sanitization. Not only is our system the strongest at Log 6 level, but it also continuously cleans the cabin air, whether the plane is on the ground or in the air.”

The device will first be designed to fit the air conditioning system of the Boeing 737, and then expand to other commercial aircraft. Biotek Shield will be STC/PMA approved by the FAA. The Biotek Shield which is installed in the air conditioning duct work, operates silently and invisibly throughout the flight. When the aircraft is on the ground, the device will draw power from the aircraft’s auxiliary power unit, when the aircraft is in the air-the device will be powered by the plane’s engines. Biotek Shield creates no waste and only requires maintenance every 3 to 5 years.

“PWI has been designing and producing LED lighting for aircraft since 2012. It is an obvious step to take LED light from simply illuminating the cabin to cleaning the air. We have the knowledge and the experience with the FAA,” says Lorik. “We’re now ready to take it to the next level to address this worldwide problem with our lighting solution.”

The Biotek Shield UVC Treatment System is in development by Aero Biotek Inc., a sister company to PWI Inc. Biotek Shield is the first in a planned line of products that effectively addresses the problem of airborne pathogens inside aircraft. For more information about Aero Biotek or Biotek Shield please visit PWI is an FAA Part 145 Repair Station: PJ2R085L, FAR Repair Station #EASA.145.5092.

Frequently Asked Questions (FAQ)


How effective is Biotek Shield?


It is the most effective way to clean the air in aircraft cabins. It neutralizes 99.9999% of the virus. This is far beyond the capability of other current virus neutralizing agents. Lower level processes result in the virus being left behind after treatment.


What is 99.9999% virus neutralization? Isn’t 99% good enough?


No, 99% is just not enough protection. The only way to neutralize virtually every virus cell is at the LOG 6 level. The LOG scale below shows how potent a cleaning method must be, in order to prevent the virus from creating an infection. A 99% “treatment" leaves behind 10,000 cells that are still able to infect a host. That’s all you can expect from a HEPA filter. No one wants to sit in any environment with 10,000 active and untreated viruses.

Log Scale

Log Scale Effectivity Pathogens Remaining
LOG 2 99% 10,000
LOG 3 99.9% 1,000
LOG 4 99.99% 100
LOG 5 99.999% 10
LOG 6 99.9999% < 1


Why is the virus only “neutralized” and not “killed”?


Since a virus is not alive, you can not kill a virus. You can only neutralize it to render it unable to infect a human host. Since all viruses have similar makeup, the Biotek Shield product works on COVID-19 virus and any new virus yet to be discovered.


How does Biotek Shield clean the air?


UVC light is used to continuously neutralize pathogens from the cabin air before takeoff, during flight and after landing. This is the same technology used to clean hospital operating rooms.


Where is Biotek Shield installed?


It is installed into the existing air conditioning system of commercial aircraft – without alteration to the system. The initial installation is usually completed in four hours or less per aircraft.


Does it produce a smell or leave a residue?


No. The device does not produce any odor or leave a residue.


Does it cause extra noise or vibration?


No, none.


How safe is Biotek Shield?


It is completely safe for all passengers and crew as it is contained within the interior air conditioning duct work of the aircraft. Passengers and crew will never see it or come in direct contact with the device.


Does it only clean new air into the cabin?


It cleans new air that enters the cabin, as well as existing air that is recirculated. As air is brought into the aircraft, it enters the air conditioning system and is immediately cleared of any active viruses. As air circulates through the cabin and back into the ductwork, it is automatically cleared of active viruses again.


How is it better than a HEPA filter?


HEPA filters are often installed on commercial aircraft. They are not effective in neutralizing COVID-19 or any other virus. HEPA filters have a LOG 2 rating – leaving 10,000 viruses untreated. Biotek Shield neutralizes all viruses, leaving the air truly clean. HEPA filters are designed to filter larger cells like pollens and hair particles from the air. Smaller cells like virus cells can easily pass through a HEPA filter and circulate into the cabin. Physical filters can trap some small molecules, but not enough to ensure truly safe travel.

Aero Biotek Logo

Biotek Shield UVC Treatment System is developed by Aero Biotek Inc, a sister company to PWI Inc. PWI has a long history of creating successful aviation products as an OEM and in the aftermarket.

Biotek shield is the first in a planned line of products that effectively addresses the problem of airborne pathogens.

For more information about Aero Biotek please visit or email PWI is FAA Part 145 Repair Station certified: PJ2R085L; FAR Repair station #EASA.145.5092.