Window balance

A quick learner from Pembroke Pines says:
1.Windows are approximately 48x31- writings on balance says 2950
2. Windows are 34x30- writings on balance says 2930

Please include parts needed and cost for 4 windows of each size
User submitted photos of a window balance.
Profile picture of Tom
Tom from SWISCO responded:
I'm afraid I can't make out the nylon attachments at either end of the balance, but it does look like you have a Pan Am window. With that in mind, start by looking at our S377-30 channel balance. I highly recommend comparing the style and size of the nylon ends to confirm this is a match.
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