Holmes HAPF30 Replacement HEPA Filter Removes up to 99% of airborne dust and pollen 2 microns and larger For models HAP240, HAP260, HAP243, HAP440, HAP2404, HAP260B, HAP242, HAP412, HAP422 , HAP413, HAP433 and BAP815, BAP825, BAP260 Features antimicrobial protection, carbon layer for trapping odors