Holmes AER1 True HEPA Performance Plus Filter, HAPF300AP-U4

TRUE HEPA FILTRATION: Filter helps remove up to 99.97 percent of dust, smoke, pollen, odors, mold spores, and pet dander from the air passing through it, filtering particles as small as 0.3 microns to help provide cleaner air for your home or office | aer1 COMPATIBLE: Compatible with all aer1-ready Air Purifiers | FITS BIONAIRE AIR PURIFIER MODELS: Compatible with HAP412, HAP422, HAP424, HAP702, HAP706, HAP716, HAP1702, HAP2400, HAP9240,HAP9241, HAP9242, HAP9243, HAP9412, HAP9413, HAP9414, HAP9415, HAP9422, HAP9423, HAP9424, and HAP9425 models | FITS BIONAIRE AIR PURIFIER MODELS: Compatible with BAP260, BAP520, BAP815, BAP825, BAP9200, BAP 9417, BAP9427, BAP9435, and BAP9700 models