Kenmore Progressive EF 2 Pleated Vacuum HEPA Filter for 86880 Sears Vacuum Cleaners, C38KBRM, 20-86880, EF-2, 40320, 02080001000, 610445, MC-V194H, MCV194H, KER-1805, 748167711949, 471194 (2 Pack) Fits Most Kenmore Canisters using a HEPA Filter Also fits Panasonic canisters using HEPA Filter Filters 99.7% of ALL Dust down to .3 Microns Filter should be replaced at least once a year, if you have severe allergies every six months by envirocare part #977