Febrez DirtDevF1 Filter (Pack of 2) Dirt Devil Type F1 HEPA Vacuum Filter, 3JC0280000 (2-PACK) Fits: a variety of Dirt Devil Bagless Upright Models made in March 2003 and later. Unique technology to capture solid particles, which are not released back into the air Ideal for people who suffer from asthma or other respiratory irritations Helps remove dust, pollen, mold spores, smoke, dust mites, and other allergens Indoor Air Filter removes 99.97% of airborne matter down to 0.3 microns in size