Sharp Active Carbon FXJ80UW, KCP70UW, and KCP110UW Replacement Filter(P)The Sharp FZJ80DFU is a replacement active carbon filter designed for a Sharp IoT Plasmacluster Ion Air Purifier with Sharp Air App & True HEPA for Large Rooms (502 sq. ft.)(FXJ80UW) , a Sharp Smart Plasmacluster Ion Air Purifier with True HEPA + Humidifier (KCP70UW) , and a Sharp Smart Plasmacluster Ion Air Purifier with True HEPA + Humidifier (KCP110UW) ( P)(P)Your air purifier is only as powerful and effective as the filter you put inside, and