1.Fit for pitched roof from 15 degree to 90 degree
2.New style handle with ventilation gap and new locking system enable the window of good ventilation even without open the window sash
3.The window sash can be stopped at any angle, so as to get better ventilation
4.160 degree turn over of the window sash, easy to clean the outer glass
5.Latest design of the outer flashing gutter makes it joint with the flashing even close and gives it a better looking
6.Easy to install all kinds of AHRD accessories
2.New style handle with ventilation gap and new locking system enable the window of good ventilation even without open the window sash
3.The window sash can be stopped at any angle, so as to get better ventilation
4.160 degree turn over of the window sash, easy to clean the outer glass
5.Latest design of the outer flashing gutter makes it joint with the flashing even close and gives it a better looking
6.Easy to install all kinds of AHRD accessories
Standard: 78*98cm, 78*118cm, 78*140cm, 114*118cm, 114*140cm or follow your demand