Plastic window beading

A quick learner says:
3/8" wide at it's widest part,1/4" tall. White. Window frames are wood.
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Casey from SWISCO responded:

Hello,

I don't recognize this seal but I'm going to send your photos to our senior experts to review and see if they might know of a replacement. We'll reach out as soon as more information is available. Thank you!

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Dave Sr. from SWISCO responded:

We've looked through our records but, unfortunately, have not come up with any potential replacements for this seal. I'm sorry that we will not be able to assist with this repair but we wish you the best of luck. 

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