Fantronix cowled vent with damper flap and 150mm round spigot. Designed for use with 150mm / 6-inch round ducting. Features a push-fit design for easy installation of duct and fittings. The cowl effectively protects against driving rain and gusts of wind entering your property via the duct run. The damper flap can be closed to help reduce unpleasant odors, noises, or draughts flowing back through your duct. Ideal for cooker hoods, bathroom, toilet, kitchen ventilation fans, and tumble dryer extracts.