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Particles in different sizes according to the ISO 16980 classification

Air Filter Standard ISO 16890

What  you need to know.

Iso 16890 explained

ISO 16890 is the internationally recognised classification and testing standard for air cleaning filters, used by the World Health Organization and other regulatory authorities. As well as guaranteeing our filters meet rigorous requirements, it’s a good way to ensure you’re using the right product to filter out dust particles in your workplace.

ISO 16890 divides air filters into four groups, determined by the size of particulate matter (PM), or dust, they are designed to catch. 

Would you like to know more on the ISO 16890 standard? Get in touch today!

Different particle sizes

  • PM1: particles less than 0.001 mm
  • PM2.5: particles between 0.001 mm and 0.0025 mm
  • PM10: particles between 0.0025 mm and 0.01 mm
  • Coarse: particles equal to or larger than 0.01 mm
Particles compared by size according to the ISO 16980 classification

Understanding filter classification

In order to meet the ISO 16890 standard, a filter has to capture at least 50 % of particle sizes from any given PM category. For example, a filter classed as ISO ePM2.5 is designed to catch PM2.5 particles. Coarse filters are recorded as ISO coarse plus the percentage of particles the filter catches in that range.

Different airborne particles passing an air cleaner filter

Finding your filter solution

It’s vital to match up the filters you use to the type of dust you are trying to capture. To catch the smallest dust particles, which tend to be more harmful to health than larger particles, use ePM1 filters.

We'll help you find the most appropriate filter solution for your business. Contact us to discuss your needs!

What are dust particles?

Particulate matter (PM), or dust, in your workplace is made up of fine particles generated by a variety of processes, both natural and industrial. Understanding more about dust can help you limit its effects.

More about dust in the air

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