Performance shown is certified for installation type A:  Free inlet, Free outlet. Performance ratings do not include the effects of appurtenances in the airstream. Power rating (BHP) does not include transmission losses. The sound ratings shown are loudness values in fan sones at 5 ft (1.5m) in a hemispherical free field calculated per AMCA Standard 301.  Values shown are for Installation Type A: free inlet fan sone levels.

Catalog #109

March 2009