Window balances are needed

A home owner from Brea, CA says:
June 7, 2022
My window size is 32" W x 35 1/2" H.
Manufacturer was ATI Windows.
The length of metal piece (channel) is 33".
The stamp on the channel is "DB 102 3230" as you can see on the first picture.
Please identify it and tell me your part number so that I can order them.
Thank you, Hank
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Emily from SWISCO responded:
June 10, 2022

Hi, Hank.

This looks like our S390-33 with the 3230 strength option. This balance comes attached with the 15-001 1-1/8" deep shoe so you'll need to compare the specifications to yours to confirm this matches up. 
33" Series 390 Channel Balance
33" Series 390 Channel Balance
S390-33
$11.52
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