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Negative pressure ventilator

Model CND-50
Use Generating negative pressure
Filter type Pre-filter, HEPA filter
Filter cleaning method Filter replacing type


CND-50 negative pressure ventilator for asbestos to block the leakage of
pollutants by making pressure of inside lower than outside.



  • Fulfilling performance and safety requirements
    Fulfilling requirements of Korea Occupational Safety and Health Agency
    for Asbestos dismantling business license
    ※ Offering test report
  • Small size negative pressure ventilator
    It is smallest and lightest negative pressure ventilator in Korea.
    It is easy to move and install.
  • 2 Step filter design
    Step 1, Pre-filter: Large size dust is collected by polyester pre-filter.
    Step 2. HEPA filter: 0.3μm particles are removed more than 99.97%
    by high performance filter to remove the harmful microorganism
    and radioactive dust.


Model Max. Air Flow
Max. Pressure
Dimension Applicable area
Width Length Height
CND-50 13 70 0.36 565 380 565 29

※ Without the height of caster

Installation case

The Right service of Clean air Tech begins

with hope to contribute to the neighbors and society through the clean environment.
Our passion does not end by the accurate and detailed design, precise production, excellent quality and best performance through the installation and construction.
It is the spirit of fulfilling responsibility to dust collectors operated all around industrial sites as the air environment specialized company.
We, the whole member of Clean air tech believe that this is customer-centric right service.


  • Diagnosing service for dust collector performance and efficiency
    CAT provides right use, performance maintenance, diagnosing service for every dust collecting facilities.
  • Round visiting check-up
    We believe that all dust collectors should contribute to the improvement of working condition.
  • Repairing and replacing service for components and consumables
    CAT after-sales service always together wherever there is a dust collector.

One-stop ServiceAir Environmental
Comprehensive Solution

Formally registered for air environmental engineering and measurement agency
We have expert technician as air environmental professional engineer who completed the curriculum of Korea Occupational Safety and Health Agency .
  • Dust collection equipment design and production
  • +
  • Environmental permits and paperwork of the hazard prevention plan
  • +
  • Measurement of air pollutants in discharge facilities
  • Agency/Sales office

    Agency/Sales office

  • Location


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