DESC: When installed into your home’s heating and cooling system, a Honeywell Whole-House Media Air Cleaner traps and filters airborne particles and contaminants passing through the duct system insuring cleaner air is distributed to all rooms in your home. Media Air Cleaners are up to 85%* more efficient at removing airborne particles than a standard one-inch furnace filter, and maintain high airflow in your heating and cooling system so that it functions at full efficiency. Get the benefits of a whole-house solution for improving the air in your home with a Honeywell F100 Media Air Cleaner.