The Best PF6 internal blower delivers improved air circulation with utmost convenience. It has a thermally secured 600 CFM motor that is permanently lubricated for a smooth and quiet 8.9 sones performance. It can be either directly mounted to the BEST downdraft or mounted separately. The stainless-steel design ensures maximum durability. | Best PF6 FlexBlower 600 CFM Internal Blower - Stainless Steel