Ceiling vent extract valve metal white 100mm duct

Ceiling vent adjustable extract valve metal white for 100mm duct • Suitable for ducting system 100mm • Three parts fixing collar outer main body and adjustable centre valve • Colour white epoxy coated • Material metal steel • Temperature range max +60°C min -15°C • For use with 100mm diameter round ducting ventilation system 100 • Connector on ceiling vent grille round male spigot