White 150mm Back Draught Shutter Round Connector with Damper

The VKC363 150mm Back Draught Shutter ensures clean airflow and prevents unwanted air backflow in ventilation systems. Designed for use with fans and mechanical heat recovery systems, it’s a vital component in maintaining indoor air quality and energy efficiency.

Features include:

• 150mm diameter round connector with integrated damper
• Acts as a back draught shutter to prevent reverse airflow
• Ideal for use with inline fans, HRV/MEV systems, and ducted extractors
• Helps maintain energy efficiency by blocking external air
• Durable polystyrene construction
• White finish to blend with standard ductwork
• Easy inline installation with ducting
• Compatible with 150mm round ducting systems
• Lightweight and low-maintenance
• Designed for domestic and commercial use