Active Carbon Pre-Filter 8 sheet (AC4825 filter) for GermGuardian FLT4825 HEPA Filter B AC4825 Series

Activated carbon pre filter replacement for Germ guardian filter B FLT4825 model ac4800 series. Easy to use. Directly attached to the velcro tape on the HEPA filter for replacement. Pre filter carbon helps reduce household odors and extend the life of the hepa filter