Ventilation door with a plastic lock and made of ABS plastic. Screw mounted, they are ideal for plasterboards. The new door has a practical lock that can be mounted in suspended ceilings. Dimensions: 150x100mm, 150x150mm, 150x200mm, 200x250mm, 200x300mm, 250x250mm, 300x300mm and 300x400mm. Colour: white, Weight: 0.771617917 pounds.