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, firstname.lastname@example.orgGhz