A System100 wall outlet with gravity flaps measuring 155 x 155mm in white. Provides a neat external wall termination for System100 flat channel ventilation ductwork, with gravity-operated flaps that open under airflow and close automatically when the fan stops, preventing back-draughts and cold air ingress. Suitable for kitchen, bathroom, and utility room ventilation exhausting through external walls.

Compatible with System100 flat channel ductwork. Supplied as a single unit.

• System: System100
• Type: Wall outlet with gravity flaps
• Dimensions: 155 x 155mm
• Colour: White

Also available in Brown, Cream, and Terracotta. For a cowled version with damper, see the System100 Cowled Wall Outlet with Damper White. Browse the full Domus Ventilation range.