ISO/TR 11155-1:1994

Road vehicles — Air filters for passenger compartments — Part 1: Test for particle filtration

Specifies assessment criteria in order to permit the selection and comparability of air filters and filter elements under laboratory conditions. Applies to air filters used in motor vehicles to remove dust particles from the external air or recirculated air for the passenger compartment. The tests provide information on pressure differences, the filtration rate and fractional filtration rate, as well as the dust-holding capacity of a filter.