DUPONT Vent Filter Installation Instructions

1. Remove Register Vent.
   
   
2. If smaller than 4" x 12" trim filter material using household scissors. Measure your vent register for correct trim size.
   Note: Most vent registers are 2-1/4" x 12", 4" x 10" or 4" x 12".
   
   
3. Insert filter material into register bottom.
   
   

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