Weather stripping for a casement window

A handy person from Missouri says:
This is a Thermal- Gard window. The grooves are 1/8 inch wide and 3/16 inch deep. The old weather stripping is so rotten and smashed that I don't know how far it is supposed to stick out above the groove.
User submitted photos of weatherstripping.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
It will be very difficult to identify this weatherstripping, since it is so badly damaged. I can't really make a suggestion with confidence, but I recommend that you look at our 58-021 and 58-127 and see if either of these could work for you.
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