1. Turn the air cleaner OFF and unplug from wall outlet.
   
   
2. To open, gently place the air cleaner on its side and unscrew the locking handle underneath its base to release the BASE from the air cleaner.
   
   
3. Remove the BASE assembly.
   
   
4. Remove the filter assembly (consisting of the HEPA and pre-filter) from the internal chamber.
   
   
5. Locate the seam of the pre-filter and carefully separate the fastener on the seam from the pre-filter and remove the pre-filter from the HEPA filter.
   
   
6. Discard pre-filter and HEPA filter. Remove any plastic and packaging from the HEPA filter.
   
   
7. Remove any plastic or packaging from the new pre-filter and remove any additional fasteners from the box. Secure approximately ½ inch of the strap fastener to one edge of the carbon pre-filter (on the white side). Carefully wrap the pre-filter around the HEPA filter so that the ends meet and the white side is facing outwards. Fasten the ends together with strap fasteners.
   
   
8. Place the whole filter assembly into the product chamber. Close the product by replacing the base and tightening the locking handle.
   
   
9. Turn the air cleaner upright. Plug into wall socket and turn on.
   
   
10. Replace the HEPA filter once a year for optimal performance. Replace the pre-filter filter once every 2 to 3 months for optimal performance.
    
    

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