1)       Window Frame Dimension and Installation Hole Dimension A4: 78*98 80*100 A6: 78*118 80*120 A8: 78*140 80*142 B6: 114*118 116*120 B8: 114*140 116*142

2)       Fit for roofing from 15 degree upto 90 degree

3)       New style handle together with new locking system, gets the windows of ventilation, even though the window sash is closed

4)       The window sash can be freely paused, so as to get better ventilation

5)       160 degree turnover of the window sash, makes it convenient to clean

6)       Latest flashing design makes the window frame in harmony of the flashing and of better looking

7)       Easily for installation of all AHRD accessiores