Oreck Odor Absorber Plus Replacement Filter for ProShield Air Purifier Series. Part AP2PKP Vacuum Cleaners This is creates enough fiber This is creates enough fiber agitation to make even the most deeply embedded dirt and debris to come loose and ensure a deep cleaning remove the metal nozzle from the end of the metal flex hose and place the accessory into the rubber end of the hose Vacuum gently with a soft brush attachment to clean if necessary Replacement Odor Absorber Plus helps reduce odors and VOCs (Volatile Organic Compounds) such as chemical fumes created by common household cleaners and synthetic materials from the air that passes through the filter