Replacement HEPA Type Filter For Hapf30, Hapf30D, Hapf30D-U, Bapf30, Filter A Replacement hepa type filter for the holmes Hapf30 Direct Replacement for the Holmes Hapf30, Hapf30D, Hapf30D-U, Filter A, BAPF30 Contains 1 Replacement filters Removes up to 99% of dust and pollen as small as 2 microns from air passing through the filter Fits Holmes HAP2400, HAP2404, HAP240, HAP242, HAP243, HAP412, HAP413, HAP422, HAP424 and HAP433 Air purifiers