Channel balance

A quick learner from USA says:
I need to replace a channel balance for an atrium window 35" long, 26.5 lbs. could you please make a suggestion from my photos. None of the channel balances seem to duplicate the old one. Thank you.
User submitted image of their window hardware.
Profile picture of Tom
Tom from SWISCO responded:
Thanks for posting. Start by looking at our S395-35 channel balance, this may be what you want. Based on your sash weight, I'd also recommend our 3440 option.
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