HQRP Exhaust Filter 4-Pack for Panasonic AC38KBRMZ000 fits MC-CG901 MC-CG902 MC-CG973 MC-GG773 MC-UG471 MC-UL975 MC-V7721 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!