CERTIFICATIONS

We are backed by European certification standards

The Zonair3d products and all their components have been certified by entities of recognised international standing.

All our production departments have received ISO 9001:2008 and ISO 14001 certification.

The Zonair3d filters have been tested at laboratories with current European EN779:2012 certification and the corresponding US ASHRAE 52.2 certification, thereby certifying absolute filter effectiveness.