Hunter 30085 Owner's Manual - Page 5

2. At least every 90 days, open the front grill, remove the carbon pre-filter, and replace it. This is necessary to maintain proper odor-removing and overall filtration performance. If necessary, it can be changed more often. Mark the new filter installation sticker included with the new carbon pre-filter. Be sure to remove any plastic wrapping that may be on the new filter before you place it into the Air Purifier. Dust & Irritants Pollen & Allergens Odors Bacteria Pet Hair & Dander Carbon Pre-Filter True HEPA Filter 99.97% - .3 Microns How The QuietfloTM System Works The above is an illustration of how the Quietflo™ air purification system works. Dust and other irritants are pulled into the air purification system and cleaned through the Quietflo™ Filter. Clean, purified air is then released into the room. © 2006 Hunter Fan Company  41556-01 7/25/2006