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Fits standard 100mm ducting – Designed for 4” ventilation systems, providing a secure connection for extractor fans, pipes, and duct runs through walls or ceilings. Integrated male spigot connection – Central straight spigot creates a tight, stable fit for round ducting, helping reduce air leaks and improve airflow efficiency. Quick and easy installation – Lightweight PVC plate with four fixing holes allows fast wall or ceiling mounting for DIY or professional use. Neat, professional finish – Covers rough cut edges around duct openings to give bathrooms, kitchens and utility rooms a cleaner appearance. Durable white PVC construction – UV-resistant plastic maintains its shape and colour over time, even in humid areas such as bathrooms and wet rooms.