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.