This standard applies to disposable, rigid type, pleated-media air filters used as high efficiency filters for the removal of particulate matter from air streams in heating, air conditioning and ventilating systems, with face velocities up to 3.2 m/s.

The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.