what stamp options for S380-35

A quick learner from Tampa FL says:
I have Nuair windows dual pain glass with 34 high 36 which Stamp shoudl I use

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Paul from SWISCO responded:
Thanks for posting. You could consider our 3440 option, which can carry a sash weight of 23 through 30 pounds. However, I highly recommend weighing your sash on a scale to confirm that this is correct. That's the only way to be 100% sure.
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