Holmes Carbon Filters HAPF60, Filter C, 4 Pack Nullify Imported PERMAtech filter never needs replacement with ordinary care and is easy to clean HEPA-type filtration removes 99% of airborne particles from the air that passes through the filter Three speed settings Optional Ionizer assists in particle removal Contains 4 replacement carbon filters Filtered with Arm & Hammer Baking Soda to absorb and eliminate household odors Fits Holmes air cleaners models: HAP8615, HAP615, HAP625,HAP633, HAP650, HAP8650, HAP675RC,HAP725, HAP726, HAP750, HAP756, HAP 8756 Also fits Bionaire model air cleaners: BAP615, BAP625, BAP650, BAP1125, BAP1150, BAP1175, BAP1225, BAP1250, BAP1300 Also fits GE Models: 106633,106643,106653,106569,106853