Tower Air Purification Unit


The Tower Air Purification Unit uses powerful UVC technology to clean the air that we share, whether this is at work or during leisure activities, within common public spaces and more – with covidclear™ it’s not just a technological response to the current COVID-19 crisis, where the unique Electronic Management Module facilitates that.


Carbon Filtered

Sterilise 2.2million ft2

Low ambience

UVC Technology

Anti-virus Protection

Cleaner Air




The most powerful UVC air purification system to protect against all airborne pathogens, including Coronavirus-2 COVID-19. Simply plugin and go.

Daily, consumers benefit from UVC technology that is sterilised by a 254nm UVC wavelength and closed with UVC radiation along the supply chain. In addition to the advantages provided by our UVC Air Purification Units on water and food supply chains, the technology can reduce days lost at work. Especially in winter months. This is through the system’s ability to impact influenza and other seasonal pathogens.




The Tower Air Purification Unit is a development of pre-existing UVC technology. This is an ongoing technique by industrial utilities sterilising water/air, for a number of decades.

Close environments benefits from air sterilisation techniques. The benefits multiply when the reduction of viral load in the air reduces the availability of live pathogens falling to rest on surfaces.

De-activated SARS-CoV-2 (COVID-19) using the Delta and Kent variants in controlled laboratory setting – Research conducted by Liverpool School of Tropical Medicine (August 2021).
Currently under assessment against aerosolised SARS-CoV-2 (COVID-19) in a controlled laboratory setting at Liverpool School of Tropical Medicine.


Reassuring confidence co-used spaces

Every 24 hours the Tower Air Purification Unit can sterilise up to 2,235,000 cubic feet of air, from its 2400m2/hour capability to provide safer working environments.
As a result, this can allow the public to continue their daily activities knowing that the environment is hygienic and sterile.



Clean and Safe Air

At maximum airflow volumes of 3450m3/hour the single pass killing dose which is delivered is lethal to an airborne virus. Once the UVC treatment has taken place, the safe and sterile air is carbon filtered. It’s then gently released back into the environment.


Want to find out more about our Tower Air Purification Tower? If so, contact us

If you’d like to find out more about our Tower Air Purification Unit, or what combination of products would be needed for the hygiene strategy for your business, then contact our team of experts. By doing so, we at Medi-Clean, alongside the wider family of Core Additives and Elite GSS, will be able to provide you in-depth advice on any query. So, if you need more info, get in touch.



Plenum Chamber

Within the Plenum Chamber there is a multi-cored venturi plate and a system of 12 perforated stainless-steel conical towers which disrupt, stall, mix and slow down the passage of air through the kill zone. Through the treatment process, a high DUV rate is achieved across the airflow ranges due to the constant and close dose arrangements of the UVC emitters.

  • Material: Mirror Polished 304 Stainless-Steel, isolation mounted plenum chamber
  • 12 x 95w UVC emitters, 1140W producing 384w at 254nm wavelength UVS
  • 12 x mirror-polished stainless-steel conical vortex generators
  • Irradiance Value: 42,050 (uW/cm2)


  • Material: Zintec Coated Mild Steel
  • Soundproofed, air amplification chamber
  • High-performance backward curved, single inlet EC centrifugal fan


  • Material: Polyester Powder Coated Mild Steel
  • Ducted Airways within internal chassis and secure mounting for plenum chamber, fanbox, and soundproofed outer panels


  • The fanbox is lined with 5mm dense mass loaded butyl mastic composite base with aluminium lined bonded panels
  • Outer Bodywork Panels: Bonded with 25mm acoustic foam at a density of >90kg/m3 and acoustic sound absorption of aw0.045
  • Meets EN1351-1 euro class, BS 476 parts 6 & 7 class 1 ASTM E84-09 ASTM C107-05 12.7 ASTM G21-96 ASTM C1104-06


Technical Details
  • Dimensions: 1900mm (H) x 530mm (W) x 530mm (D)
  • Weight: 85kg
  • Operating Temperature: Between -5 degrees C and +40 degrees C, the system is also designed to operate at a core machine temperature of 22-25 degrees C
  • Power: 1870 Watts
  • Paint: Antimicrobial epoxy
  • Standards: CE and UKCA
  • Boost: Yes
  • UVC Emitters do not produce Ozone



The Process

The air is drawn into the unit from three directions through a particulate filter by a silent and high-performance centrifugal fan. This filtered air is then sent to the Sentinel Plenum Chamber where it’s dosed with high levels of 254nm UVC which kills 99.9% of the virus, bacteria, and pathogens. Once the UVC Treatment has taken its course the safe and sterile air is carbon filtered and gently released back into the environment. The Sentinel Air-Sterilisation Machine delivers 187 (J/m2) at a continuous air volume of 800m3/hour, 100 (J/m2) at 1500m3/hour and 60 (J/m2) t 2500m3/hour.


UVC Treatment

The UVC Plenum Chamber is where the killing power takes place to destroy the virus and bacterium. Inside the stainless-steel chamber are 12 x 95-watt pure UVC emitters of 1140 W of UVC and 384W are at 254nm wavelength and are arranged to deliver close dose radiation to the airflow.

When exposing the micro-organism to UVC light, the light is penetrated through the cell wall and disrupts the structure of the DNA molecules, rendering them sterile and prohibiting reproduction. The irradiance value of 42,050 (µW/cm2) that they generate makes the system the most potent mobile UVC sterilisation machine ever manufactured globally. (An average figure given from 60 readings measured from multiple points inside the Plenum Chamber).


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