Vilpe KTV Metal Roof Ventilation Kit

Can be used for the ventilation of roof structures and attic spaces, as well as sewer pipes. Designed for low-profiled metal sheet roofing. Contains a valve, pass-through, underlay ring and fixing screws, and is fully waterproof thanks to the rubber cone with mouldable aluminium flange. Contents: KTV ventilator, underlay ring, sealing ring, sealing compound, screws.