150mm Duct Compatibility – Designed for standard 150 mm round ventilation ducting, ideal for extractor fans, kitchen and bathroom ventilation, and HVAC airflow systems. Secure Central Male Spigot – Integrated 150 mm male spigot provides a firm and reliable duct connection, supporting efficient airflow and straightforward installation. Wall or Ceiling Installation – Suitable for mounting on walls or ceilings, or for neatly covering duct openings to create a clean ventilation finish. Neat Professional Appearance – Conceals exposed duct edges and connections to provide a tidy, finished look in domestic or commercial installations. Durable UV-Resistant White PVC – Manufactured from strong, high-quality plastic with UV protection to resist discolouration and ensure long-lasting performance., Manufacturer: FANTRONIX