Product review (3 stars): It will get me by but I really hoped for at least as good as I had before it conked out (in 4 ...
40000 replacement fan not as efficient as the oem 160 cfm  fan it replaced. . It will barely suspend a paper towel to the intake screen.
Very little difference between low and "high" fan speed. It will get me by but I really hoped for at least as good as I had before it conked out
(in 4 years.)
If you are remodeling and can afford a 2-3 hundred dollar upgrade to a better range hood I recommend it. These cheaper models in my opinion,
are not for family kitchen (heavy) usage. Get a hood  model  with 300+cfm capability.  As I said ..in my opinion.