Window sash weather stripping

A home owner from Vermont says:
Two of these line each channel of my bottom window sashes. The vinyl lays flat, has 2 barbs, inserts into a kerf opening, and the "bulb" (?) is foamed filled.

Your parts 58-182 (or -171) comes close, except for the T-slot, instead of the barbs.

Can you help?

Thank you,
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Tom from SWISCO responded:
Hey, Marc. I don't think either our 58-182 or 58-171 can work. How about our 58-170, instead? Could this be a better match?
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