Channel Balance, possibly S390-29

A handy person from Stouis says:
I think i need a S351-29 or a S390-29. I have attached some pictures can you give me your thoughts on it?
User submitted pictures of Channel Balance, Series 390.
Profile picture of Paul
Paul from SWISCO responded:
Kurt, it seams your assessment is correct.

The Swisco S390-29 (2830 stamp) appears to be the replacement for your existing window channel balances.
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