The danelaw universal slate roof vent delivers reliable roofing ventilation engineered for compatibility with both man-made and natural slate installations. Designed for 600 x 300mm and 500 x 250mm slates when trimmed, this system minimises cutting requirements during installation. This vent adapts to multiple applications through integrated adapter compatibility, supporting both soil ventilation and mechanical extraction systems. The universal design accommodates varying rafter pitches, operating effectively from 22 or 25 depending on head lap configuration. The black finish integrates seamlessly with slate roofing systems while delivering reliable performance. Installation simplicity and functional adaptability ensure professional results in demanding roofing environments. Features & benefits: compatible with 600 x 300mm and 500 x 250mm slates when trimmed. Adaptable for soil ventilation or mechanical extraction applications. Minimum cutting of slates required for simplified installation. Operates at minimum rafter pitch of 22 or 25 depending on head lap. Black colour finish for visual integration with slate roofing. Suitable for roofing installations requiring multiple ventilation solutions. Colour: black.