Find the right filter

Become a filter expert

There’s a lot to consider when choosing an air filter. From understanding how an air filter works to deciphering the common terms used in the filtration industry. So, we’ve compiled the following air filter guide to help you understand what you should be looking for and find the best filter for you.

Of course, if you cannot find the answer to your specific question, please contact us and we will be glad to help.

Choosing the right air filter

Selecting the ideal air filter for you means looking at your application, environment and objectives. Our air filter selection guide gives you an overview of the key considerations for choosing an air filter and details the key questions you should ask yourself.

Read our air filter selection guide

How to select the right air filter according to ISO 16890

It’s well known that making the right filter choice can substantially reduce your energy costs. The ISO 16890 has made it simple to choose the most appropriate filtration efficiency for your building. All qualifying air filters are classified from A+ to E – where A+ stands for the best energy performance and E represents the lowest. Look at our conversion from DIN EN 779:2012 to DIN EN ISO 16890 to select the most efficient air filter.

Conversion chart


Glossary of filter terms

What’s does arrestance actually mean? Should you worry about DHC? And just what is the difference between a HEPA and an ULPA? There’s many terms that are specific to the air filtration industry, but our handy glossary of filter terms helps you answer all the questions and more.

See our guide to air filtration terminology

How does an air filter work?

They may look relatively simple, but there’s a lot of technology packed into an air filter. Our guide to filtration theory explains what’s going on inside the humble exterior of a filter, the key filtration mechanisms, and how particulate is actually caught.

Here you will find the four principles of air filtration