Purafilter 12X20X1 Air Filter

Installation Instructions: Caution: Turn furnace fan off before installing filter. 1. Carefully remove and dispose of your old furnace filter by placing particle filled filter in a plastic bag so as not to reintroduce particles into your air. 2. Remove plastic wrap and paper insert from filter. Insert filter so the arrow on the side of the frame matches the direction of the air flow. 3. Record the installation date and replacement date on the designated space on the filter frame.