Sharp FZ-C46DFU (FZC46DFU) washablle carbon Filter is the original OEM Sharp replacement filter.
Sharp FZC46DFU activated carbon filter fits Sharp FP-N40CX, FP-N60CX, FP-P40CX, FP-P60CX, FP-R45CX, FP-R65CX.
Sharp FZ-C46DFU washable, reusable carbon filter contains pocketed activated granulated carbon for effective removal of household chemicals, noxious odors, pet odors, cuisine odors, cigarette smoke, etc.
Sharp FZC46DFU filter's lifetime: up to 2 years.

IMPORTANT NOTICE!
The efficiency of activated carbon filter in removal of chemicals substantially declines within a period of 1 to 2 years.
Replace Sharp FZ-C46DFU carbon filter more often to keep the performance of your air purifier in removal of toxic chemicals, noxious odors, cigarette smoke, wildfire smoke, pet odors at its peak.