Description / Abstract: Purpose. This specification defines the requirements, test conditions and test methods for function, material and static load tests on combi-filters for particle, odor and chemical separation.

Applicability. For all vehicle interior hybrid filters. The requirements indicated in this specification are coordinated for flowed through filter areas 5 dm². Filter areas of 5 dm² are not intended. In case of different requirements between GMW14780 and GMW14323, the stipulations contained in this specification shall apply to hybrid filters.