For those of you with longer clear spans who want to avoid additional framing when installing your new PGT Eze-Breeze window units have you considered PGT Mullion Bars?  They are vertical bars that act as attachment posts for you Eze-Breeze window units.  At approx. 2″ x 2″ they work seamlessly with the Vertical 4 track units.  Available in all the same colors as the Eze-Breeze windows they are a finished surface that does not require any additional timber framing.  Contact us today for more information – 800-495-1833