Channel Balance Help

A purchasing agent from Nashville says:
I am looking to replace two window ballasts on my window.
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Bob from SWISCO responded:

Thanks for writing in. This appears to be a S770-25 , but with a stronger stamp option than any of our stock items. Please confirm that your balance matches the Series 770 . If so, we can provide balances for you with the 25F stamp option via a custom order. I am sending you an email with a custom link now to order a pair. Note that our Series 770 balances come with a metal channel that has a white finish. If you'd prefer balances that have that plain metal finish, let me know and I will prepare a different quote for you. Many thanks.

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