Product review (5 stars): PERFECT OEM REPLACEMENT FILTER  FOR THE BROAN RANGE HOOD
You can't beat this as it is a genuine OEM exact replacement part.
I also found out that you can remove these, maybe once a month, and
put it in the dishwasher to keep it clean.  So it should last a very long time.
Oh, this one is made for the outside venting range hood, not for the ductless range hood.