HQRP Exhaust Filter 4-Pack for Sears Kenmore EF-2 EF2 86880 20-86880 2086880 40320 8175116 P-18046 610445 20-40320 2040320 20-86880C KER?1805 Vac Vacuum Cleaner + HQRP Coaster HQRP&reg; 4 Filters plus HQRP&reg; Coaster; This filter is HEPA filtration class H12 and retains 99.97% of particles down to 0.3 micron. 100% Compatible with Original filter; 2 weeks DOA replacement warranty!