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.
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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.
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.
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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.