The VELUX VFB MK35 2070 White Painted Side Hung Window is hinged on the right, inward opening window. Vertical windows can be hung in combination with a sloping window, this will allow you to optimise the natural light, to create a beautiful bright home. The VFB side-hung vertical comes with extra elements, including; tilt-and-turn opening with opening restrictors for enhanced safety. 70 Glazing – 6.4mm laminated inner pane offers additional safety. Offers improved noise reduction compared to - -34 and - -59 glazing. 4mm toughened outer pane with low-E coating. Properties 10-year guarantee on windows and flashings. BBA certified.