roof window
roof window TUV certificate U-v 1.4 W/M2K up to 52m3/h . with two elegant handle Centre pivot patent hinges
positioned on the top part of the window frame ,the V-10 has a manual adjustable air flow regulator .when fully opened this inlwt supplies fresh air at 10m3/h at pressure difference of 10Pa. air inlet V10comes as standard equipment on this product.
roof window
