Air StreamAirstream 4" Grey Louvre Dual Fitting Wall Outlet

Air Stream 4" Grey Louvre Dual Fitting Wall Outlet . It can be used with circular or rectangular ducting, making it a versatile choice for different installation needs. The outlet features fixed louvres that fall closed when not in use, which helps to prevent backdrafts.

• Can be used with circular or rectangular ducting
• Ventilation component designed for use in various ducting systems
• Suitable for 4" ducting