VELUX Combination Window GIL MK34 2070 and GPL MK08 2070 like Cabrio system
VELUX GIL MK34 2070. Velux GPL MK08 2070. GPL MK08 2070 ( 78cms x 140cms )and can either center pivot to allow for cleaning or will extend from the top hinge to allow maximum ventilation and perform much as the Velux cabrio system does.