37DS PK47L Extended-Travel Balances

Quick Learner
Metal channel length is 37-11/16". Stamp says 37DS PK47L. Apparently BSI manufactured. See photo. No idea of window manufacturer, but probably made around 2003. I'd like to get four balances.
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Casey
Casey from SWISCO
SWISCO
Expert

Hello,

We just sent over an order link and price quote for the balances you've requested. Take a look and let us know if you need anything else. Thank you!

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