Additional Anderson balance

A quick learner from Michigan says:
I am wondering what the correct one is to order from you guys. I would prefer the ones without the lip on them just the rectangle.
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Paul from SWISCO responded:

For your Anderson window, you can use the 24-1331. These are genuine Anderson box balances and do they do come with a lip. There is direction how to install them with the lip included in this blog article here.

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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