The Product Group ‘Air Filters’ within the Eurovent Association has released the first edition of its guidebook ‘Air Filters for General Ventilation’ in March 2017. On 28 pages, the document provides for a hands-on introduction to all important aspects related to air filters. It constitutes the first of many measures within Eurovent’s upcoming #IAQmatters awareness raising campaign. This Guidebook version is in English. If you are interested in the print version of this document, contact the Eurovent Secretariat (firstname.lastname@example.org).