Pile seals for vinyl window sashes.

Thanks for posting. If your old wool pile is in fact 9/32" x 9/32", then yes, the 58-022 is our best match. The 'center-fin' is just an added bit of insulation at the center of the wool pile. We've found it doesn't make a difference in terms of a replacement pile being compatible with a window; so long as the dimensions match, the 58-022 should work. Let us know if you have further questions.

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