

Log in to find merchants near you.
We'll use your location to show live stock availability in your area.
The National Ventilation Whirlwind Inline Mixed Flow Fan is designed for supply and exhaust ventilation with high pressure and low noise. It features a 100mm duct connection, durable plastic casing, and a removable impeller block for easy maintenance. An optional timer with 2-30 minute delay can be added.
Key features