germguardian FLT5000/FLT5111 True HEPA Replacement Filter for AC5000 Series, Filter C (3 pack) True HEPA filter with carbon pre-filter. Replacement for GermGuardian AC5000 series Filter C Proved to remove household odor, dust, bacteria, pollen and germs from air with 99.7% efficiency. Suggested to replace every 6-8 months 100% satisfaction guaranteed. Premium quality meet or exceed the leading national brands. product dimension: 4.8 x 1.8 x 19.2