Missed the obvious solution.
Changed...
WHERE f.shipDate BETWEEN (GetDate() - 7) AND GetDate()
AND b.prodNumber NOT IN (widgetA, widgetB)
to...
WHERE f.shipDate BETWEEN (GetDate() - 7) AND GetDate()
AND b.prodDescription NOT LIKE (%'widget'%)
Doh!
--- Remember, if you don't document your work, Apollo 13 doesn't come home.