I bought the wrong size. They are new, unopened, but have been knocking around my basement for a couple of years. The blue edges are slightly bent in a few areas from contact with other items, but I don't think it will impede them being installed or functioning.
Fair Offer Policy applies
Furnace filter's - 20''x20" (Berkeley, near Claremont Hotel)
This offer has been gifted to someone and is no longer available.