Andersen sash balance

A home owner from IN says:
I'm looking for anderson balancer 11600 P50 12SL 38 and balancer 11600 P50 12SR 38 OR REPLACEMENT PART I have attached is photos

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Paul from SWISCO responded:

Hello, thank you for posting,

For your Andersen balance box #P50 12SL 38 will be our 24-13L and the opposite side,#P50 12SR 38 will be 24-13R. Please let us know if you have any additional questions. 

How to replace an Andersen Window Balance
How to replace an Andersen Window Balance
Andersen's Narroline Sash Balances
Andersen's Narroline Sash Balances
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