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Pella Air Infiltration Rating

Pella Air Infiltration

NFRC LogoPella’s air infiltration rating just meets the ratings of the NFRC (National Fenestration Rating Council) which is at 0.30 cfm.
See documentation taken from the NFRC website below.
The pella 350 window series is the highest end vinyl window that Pella carries.

NFRC pageNFRC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pella 350 Performance