When we talk about primary filtration we mean filtration using filter media and cells that fall within class “G” according to the ISO 16890 standard, normally used in civil air conditioning and as prefilters for high efficiency filters.
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FINE FILTRATION
This special filtration process must be able to retain so-called “fine” contaminants across a very wide field of action. Our range includes cells, pockets and filters that generally fall within classes “M” and “F” of the ISO 16890 standard.
