Need replacement spiral counter balance for this window, but dont know who manufacturer is

A home owner from Virginia says:
Need to replace counter balance, but dont know the brand of the window. Only label we could find is in the pictures. Any ideas?
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Tom from SWISCO responded:

Thanks for reaching out to us! I wouldn't worry about the manufacturer, too much. Odds are they used generic hardware, as most manufacturers do.

The best way to identify your balance is to go by its physical details. In your case, you have a tilt window, so that's one detail checked off. The next thing you need to determine is the diameter of the outer metal tube. Tilt windows only use two kinds of balance: the 3/8" diameter Series 900 and the 5/8" diameter Series 600

From there, you just have to determine the length of the tube and the color of the nylon bearing at the bottom. The video below should also clarify every point I went over here.

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