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Superfan Off-Season Grille Inserts

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MSRP: $ 39.95
Sale Price: $ 29.95
You Save $ 10.00
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The Superfan Off-Season Grille Inserts:  Recommended For Superfan Owners Who Live In Colder Climates

These Inserts will prevent warm humid air from entering your attic during colder winter months. 

Installation Is Simple:


   1.  Remove The “Honeycomb” External Grille – It Snaps Out Of The Main Grille Housing Body
  2.  Inside The Grille – You Will See Butterfly Style Dampers.  These Are Manually Operated – So Simply Pull Them Together To Close.
  3.  They Should Look Like This Closed.
   4.  Insert The Off-Season Grille Insert. 

Snap The “Honeycomb Grille” Back Into Place.  You’re Done!