Whole-House Media Air Cleaners trap and filter airborne particles and contaminants passing through the duct system to make sure that cleaner air is distributed to all rooms throughout your home. The F200 Media Air Cleaner is up to 92% more efficient at removing airborne particles than a standard one-inch furnace filter, and maintains 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 F200 Media Air Cleaner.