Filter-Campus

ISO 16890 Replaces EN 779

ISO 16890 : ISO 16890 Replaces EN 779

ISO 16890 regulates classification of particulate filters for room air. This new standard, in effect since late 2016, has superseded European standard EN 779 in mid-2018.

Effective Filter Media Area

General : Effective Filter Media Area

Effective filter media area is an important characteristic of an air filter. How is effective filter area determined and calculated? And does higher effective area really increase a filter’s separation efficiency?

Dust Holding Capacity

General : Dust Holding Capacity

We will take a closer look at dust holding capacity, its meaning, the test procedures used to determine it and its relevance to practice.

Clip ISO 29463

ISO 29463 : Clip ISO 29463

There are many standards for HEPA filters. We'll show you how the new ISO 29463 supplies clarity in the jungle of filtration test standards.

Theory of particle filtration

General : Theory of particle filtration

The theory of particle filtration is well documented in literature and has been verified in practice down to lowest detectable particle sizes of available measuring equipment.

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