3 Packs Hapf600 Air Filter Replacement + 3 Packs Carbon Filter Replacement For Holmes Hapf600 Filter B Hap615 Hap625 Hap650 Hapf600D-U2These filters are replacement for Holmes air cleaners but can be replacement for Bionaire air cleaners as well. Model HAPF600D-U2 Compatible with Holmes models:HAP615,HAP625,HAP650,HAP675RC,HAP725,HAP750,HAP1625,HA..