Window Balance spring

A quick learner from Florida says:
The existing spring has the following numbers: 25 - 3 BH5 CMC 75

Are you able to identify and/or provide replacements?

Regards,

Chris
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Paul from SWISCO responded:
Thanks for posting. I'm afraid your stamp only tells us how strong the spring is. I recommend that you look at our Channel Balance Home Page and follow the steps in order to find the Series that best matches what you have.
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