i need to order channel balances ASAP!

A home owner from hudson florida says:
i dont know exactly which ones to order, i have 10 windows with the ones marked 28b, and 1 window marked 22b, so 20 of the 28b and 2 of the 22b, here are photos so you can see the clips. thanks!!
User submitted photos of a window balance.
Profile picture of Paul
Paul from SWISCO responded:
Thanks for posting. For both balances, I recommend our Series 385 channel balance. Specifically, I recommend our S385-29 for the 28b marked balance and our S385-23 for the 22b marked balance. I would also recommend the 2820 and 2220 options for these respective parts.
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