Extractor Fan Back Draught Shutter 100mm In-line Vent 4 Inch Ducting
Door Furniture & Ironmongery. Soffit & Cladding Boards. Extractor Fans and Vents. Back Draught Shutter Vent. In-line spring operated back draught shutter. Flood Water Defence. Tile Ventilation. Vents and Ventilation.