SWISCO - The Replacement Hardware Authority

Old Vinyl Window weather stripping wool vs foam filled?

A handy person from Wayne Pa says:
I have old vinyl windows that has the Foam filled with a plastic "T" base weatherstripping. They are pretty beat up and need replacement. Should I replace with foam filled or wool with center vane strip? My windows do not seem to have a consistent gap so maybe the wool would fill the inconsistent void better than foam filled?
I attached two pictures if you could help me with size please. I think I also need two sizes because some windows have larger gaps than others...ugh
Thanks for any help!
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Hello, Vincent. We don't have this exact seal but I have found two wool pile weatherseals that may work for you. Look at our 58-022, which is 9/32" high, and our 58-126, which is 11/32" high. What do you think of these options?
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