black gasket that slides in the metal frame of casment window

A handy person from Clayton, GA says:
measurements are about 1/2inch for the long side and 1/4inch on the short side, it has 2 "channels" running down the side.

I have 3 casement windows that need replacing that are 5 ft tall and 3ft wide
and 2 windows that are 5ft tall and 3ft wide
no brands or name that I could find
A handy person from Clayton, GA says:
I am trying to find a replacement for this gasket!!
Can anyone identify this for me?
Thanks
Profile picture of Paul
Paul from SWISCO responded:

Thanks for contacting us. You have the old style Peachtree weather stripping. We have the new style replacement, 58-202. Take a look and see what you think.

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