1. Remove filter from box.
   
   
2. Grasping the top and bottom of filter, gently expand filter until it is fully extended.
   
   Note: When assembling the filter, be sure that all filter pleats are captured by the edges of the plastic end panels.
   
   
3. Place one of the plastic end panels on a hard surface like a table or a floor with the inside facing upwards. Insert top and bottom of the expandable filter into end panel as shown until it latches.
   
   
4. Place the remaining plastic end panel on top of the filter as shown and press down until it latches.
   
   
5. Insert the assembled filter into the cabinet making sure that the air flow direction arrow points in the direction of the system air flow.
   
   

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