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post #5 of (permalink) Old 2012-04-16, 11:05 AM Thread Starter
e268
 
Join Date: Jul 2003
Location: Toronto,
Posts: 1,268
Thanks for the link. Using this link for a 7" round exhaust as recommended by Broan, the max cfm is about 200 (using the duct sizing chart). Yet, Broan unit is rated at 430 cfm. So, Broan over-rated their cfm?

Also, does it mean that I'll be wasting my money buying a 680 cfm hood?

Yammy RXV2400 & CDC815, Celestion DL8 fr Mission 73Ci ctr Sansui rear Velodyne CHT8, Vaio TT180, i7-920@3.8Ghz
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