Many of our clients are using Textest Air Permeability tester
There are some new ones and there are some old instruments.
The new one is FX 3300IV (Labair) and the older ones are FX 3300-I,II & III
The question is : *How to fulfil DIN EN 14683 for Face Masking testing*.
Write to for more details ( please do not watsapp)
For the FX 3300 IV You can download the latest software here: upgrade is free of charge.
In Units of measurement a *new button EN 14683 has been introduced*
For the order models also Textest has a solution. Please email us at :