pureAir 501 Replacement Filter

How to replace the filter: 1. Turn the unit OFF and remove the Power Plug. 2. Press the Tab to release and remove the Filter Cover. 3. Remove the Expired Filter from the unit. 4. Blow the interior of your unit out with compressed air. WARNING - No part of this unit should come into contact with water during cleaning. 5. Insert your Replacement Filter with the circular mesh side facing out. 6. Replace the Filter Cover. 7. Plug your unit in and return to normal operation. Filter Life Filter life depends upon the level of pollutants in the space being cleaned. Filters should be replaced once a year to ensure the highest quality of purification.