VELUX KFD UK08 0000 Wind Deflector 134 x 140 cm Weather-tight Available in 9 sizes with

Available in 9 sizes with 150mm Upstand

Made to all standard window sizes

Easy-to-assemble diffuser kit comes complete with a frosted acrylic insulating pane and a standard

Available Height: 300mm

Compatible with the following Velux windows: GGL

VELUX KFD UK08 0000 Wind Deflector 134 x 140 cm Weather-tight Available in 9 sizes withVELUX wind defector, for use with a UK08 pitched roof smoke Ventilation System. The VELUX wind deflector is made to comply to aerodynamic smoke ventilation requirements. VELUX windows and wind deflectors have been tested for: Operational reliability of the window including use for comfort ventilation. Aerodynamically effective opening area determining the rate of smoke and heat exhaust ventilation. Opening reliability with a snow load on the window.