HQRP Post-Motor Filter 4-Pack for Bissell 32076 Febreze 27W81 style 7 style 9 Vac Vacuum Cleaner Coaster HQRP&reg; Four H11 Filters plus HQRP&reg; Coaster; This filter is H11 filtration class and retains 95% of particles down to 0.3 micron; 100% Compatible with Original filter; 2 weeks DOA replacement warranty!