Sharp FZ-A80DFU Replacement Active Carbon Pre-Filter for Sharp FP-A60UW and FP-A80UW Air Purifiers, 2pk Sharp FZ-A80DFU Replacement Carbon Filter for Sharp FP-A60UW Air Purifiers, 2pk Active carbon pre-filter removes odors and captures large particles Each filter has six-month life under normal use Model# FZ-A80DFU