Spring loaded non return dampers that stop backdraught in exhaust and ventilation duct.
What's in This Range
- Round sizes from 100mm to 250mm
How to Choose
Size duct and fans for the airflow needed. Fit a non return damper and a weatherproof termination where duct leaves the building.
Delivery and Help
Delivery cost: $40 per order for parts and accessories, free for orders of $600 or more; $89 per order for air conditioning and heating units, with any parts and accessories in the same order shipped free. One charge per order. Prices include GST and are shown at checkout before you pay. Orders are usually dispatched from our suppliers' warehouses within 1 business day (allow up to 3 business days). See our Shipping and Delivery Policy for delivery times and rates.
Related: Ventilation, Grilles, Low Profile Duct, Mix Flow Fans, Nude Core Duct.
