Grey Pile Weatherstripping

A handy person from Toronto says:
Hello. My windows are over 25 years old. I don't know the manufacturer. The weatherstripping could not have been very high even when new. I suspect that 1/8" deep might be too much. Am I stuck?
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Tom from SWISCO responded:

1/8" is already pretty small, as far as wool pile height is concerned. I don't think we'll be able to get a shorter version than that. That said, if you need something smaller, you can always run a razor blade along the top of it to give it a "hair cut." I've done that before in a pinch and find that it works quite well. Just understand that any product altered in this way cannot be returned.

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