1) 4 ½ po.(114,3mm) frame completely inforced without molding.
2) 80mm wide sash.
3) Frame, sash and mullion completely inforced from steel reinforcement inserted and screwed into each extrusions for high structural performance.
4) FerGUard premium hardware hides the hinges inside the frame.
5) Continuous weatherstrip on the frame and the sash.
5) 95º sash opening, inside.
6) Aluminum exterior screen.
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