Ceiling Cassette Air Purification Unit


The Ceiling Cassette Air Purification Unit fits all standard grid systems. It is ideal for corridors, stairwells, small rooms and stairwells where an effective blockade of air flows up through a building.

This cassette model is elegant and functional as well as unobtrusive and consistent in its sterilisation delivery against all airborne pathogens, including Coronavirus-2 Covid-19.
When fitted, the unit is entirely management free and designed to operate 24 hours per day, 7 days a week for 52 weeks of the year.

Carbon Filtered

Sterilise 100m2

Low ambience

UVC Technology

Kills 99.9%

Safe Sterile Air



The Process

The Ceiling Cassette Air Purification Unit removes any viral or pathogen load in the air, with close-dose single pass sterilisation. This engineering principle ensures the maximum Duv dose is delivered to the airflow.
Our slim purification unit also removes the potential fall out of aerosols onto surfaces to further restrict the potential spread of infection.

All of Medi-Clean’s UVC Air Purification Units have been engineered to operate management free and this purifying unit can work for 9000 hours without a service or filter change.

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.


Low ambient Airflow

Twin tangential fans at both intake and exit power of our system, maximum flow and extended design life.
Single speed volume delivery matched to the target DUV dose for a quiet consistent performance (measured in accordance with ISO5801 Installation Cat. A).



UVC Plenum Chamber

The filtered air is then fed into the unique Plenum Chamber where it is dosed with intense levels of 320 W of UVC at 254mn wavelength, and emitted by 4 x 80W UVC Emitters with irradiance of 38,701 (µW/cm2).



Coverage at the Speed of Light

The Ceiling Cassette Air Purification Unit covers a maximum area of 40m2 and that omits a maximum volume of 108m3, both requiring 3 air changers per hour.



Clean and Safe Air

The airflow sterilisation capability centres around the fluid dynamics principle of displacement volume, to purify throughout the volume of the room.
Environments are quickly purified by the higher velocity of air (up to 3.6 m/sec) discharged overhead. That creates a rolling cycle of air movement through the purifying process in this unit.

Let’s clean the air that we share – it’s not just a technological response to the current COVID-19 crisis, Medi-Clean Technologies was here before and we’ll be here beyond COVID-19 too.




The Ceiling Cassette Air Purification Unit has a constant airflow of 300 m3/hour and after 1 hour of continuous purging the unit will enter standby mode, where the next activation of the PIR sensor will re-activate the sterilisation operation.

The bodywork of this ceiling cassette model is a tough and durable powder epoxy paint. Therefore, with the advantage of antimicrobial technology, it kills pathogens that come into surface contact before being neutralised by the UVC Plenum Chamber.

Each unit comes supplied with suspension mounts, fittings and a tailored intumescent fire blanket. This results in maintaining the fire-resistant integrity of the ceiling void space.


Want to find out more about our Ceiling Cassette Air Purification Unit? If so, contact us

If you’d like to find out more about our UVC Ceiling Cassette 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.




Technical Details

  • Dimensions: 1195mm (H) x 595mm (W) x 150mm (D)
  • Weight: 20kg
  • Power: 490 Watts
  • Paint: Antimicrobial epoxy
  • Standards: CE and UKCA
  • Boost: Yes
  • Our 254nm UVC Emitters do not produce Ozone


300 m3/h 126 J/m2 1.6 m/sec 37.3 dB


High Frequency Drives

Our individual drives are high frequency electronic solid-state items paired to our EMC system and able to operate 254 heavy duty tungsten filaments and ensure maximum output, reliability and optimise lifetime performance, reducing design life degradation of the lamps to a minimum.



Our Machines are engineered to kill airborne pathogens, not to collect them in filters. Whilst keeping our systems clean, we do deliver improved air quality as a happy by-product of our specific filter system.

  • Inlet filters: Airpanel Select FZL, EN779:2021 G2 ISO 16890 DIN 53438 F1/K1 rated. Removes coarse and fine dusts and particulate
  • Exit filters: Carbon pleated media panels remove oxidation products, pollens and odours from the air also absorbing Nitrogen Oxides and traffic fume pollutants, delivering a secondary benefit to the sterilisation function.



Over 2m2 of closed cell acoustic sound deadening media bonded to the body panels. This allows strong airflows with the lowest industry decibel ratings and a sterilisation system which deals with your air, without dominating space.

Soundproofing media meets standards: EN13501-1, BS 476 parts 6&7 Class 1, ASTM E84-09, ASTM C1071-05 12.7, ASTM G21-96, ASTM C1104-06.


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