Applied in commercial air filtration systems, HEPA and ULPA share many similarities; however, they differ in the following aspects.
• HEPA filter removes airborne particles 0.3 µm in diameter, providing an efficiency rating: 99.995%
• ULPA filters remove airborne particles 0.1 µm in diameter, providing an efficiency rating of 99.999%
These can be applied in the following lab equipment;

• Laminar flow hoods
• Ductless exhaust fume hoods
• Biosafety safety cabinets (BSC)

The HEPA filters we provide are tested for airflow resistance and DOP (dioctylphthalate) smoke penetration of an average particle diameter of 0.3 microns by measuring upstream and downstream concentrations with a laser, achieving the rating of 99.99% efficiency with particles 0.3 microns or larger in diameter.


  • porosity
  • efficiency
  • filter length
  • height
  • width or ringsize
  • ply.

Features (ULPA Filters)

• Maximum efficiency of 99.99995 % with the lowest pressure drop
• Expanded Polytetrafluoroethylene (ePTFE) Filtration technology Media
• Water-resistant
• Sturdy construction
• Thoroughly tested and certified to meet performance requirements.

Features (HEPA Filter)

• HEPA efficiencies of 95% up to 99.9995% (@ 0.3 µm)
• High-quality micro fiberglass media
• Lowest initial pressure drop
• Rigid frames
• High-quality standard due to Quality Assurance System
• HEPA filter tested by laser particle counting system
• Highly economical through high final pressure drop
• Usable in two flow directions


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