Intake and exhaust vents are ventilation ducting components installed outside the building for supplying or discharging air from ventilation systems. They are made entirely of stainless steel and, depending on the type, feature a semicircular guards or fins for the protection of the ventilation duct from weather conditions. The long flange is fitted with additional tabs for firm and secure installation inside the ducting. Available in sizes from ø133 mm to 253 mm.