1. Disconnect unit from power source.
   
   
2. Remove front cover.
   
   
3. Remove old filter and discard.
   
   
4. Replace with new filter.
   
   
5. Place new carbon filter on front side of air cleaner.
   
   
6. Replace cover and connect power.
   
   
7. For optimum performance replace filter every 6 to 12 months.
   
   

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