Window strip has dry rotted from sun exposure

A home owner from Savannah Georgia says:
What is the strip called so I can buy one to put back on my window the sun has dry rotted that part and now it has fallen off
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Tom from SWISCO responded:

Hello! This strip is a type of snap-in window glazing bead. Yours in particular resembles our 55-080, though I recommend reviewing our dimensions to ensure that everything matches up.

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