The visible glass width is 28 7/16" and height 16". I see you have several Narroline counterbalances. Which parts do I order from your website for this window? Thanks.
Tom from SWISCO responded:
August 15, 2013
Thank you for posting. Please check out our 24-R1445-27 and 24-L1427-45 for your Left and Right side balances, respectively.