What option for my Peachtree balance

A contractor from Brandywine, md says:
I need peachtree balances but the numbers don't match. They are 23 1/4" long and have 3654 LH and 3654 RH etched on them.
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Tom from SWISCO responded:
Are you referring to our S745-23 Peachtree balance? If so, I'm not sure what option you will need, either. I recommend that you weigh your sash on a scale and compare it to the chart we have listed on the S745-23 store page. That should determine what you need!
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