Byseacore FAPF034 Replacement Filters Compatible with Filtrete Air Purifier FAP03, Part# FAPF03 FAPF034, Filter Size 21.1" x 11.6" x 0.75, 4 Count

["Compatibility: Our FAP03 replacement filter is compatible with Filtrete air purifier FAP03 FAPF034","Efficient filtration filter: 4 counts filter replacement, air filter size 21.18\" x 11.62\" x 0.75\"","Please replace the filter once every 6-12 months or more often depending on the usage","Easy to replace and disposable, no tools required. Please replace regularly to keep your machine clean Note: please remove the new filter from the plastic bag before placing it into the machine","Before ordering, please confirm your unit model to ensure filter compatibility"]