VKO Axial Inline Fans

The VKO range of Axial inline fans are compact units that are designed to be connected to flexible ducting. The fans are available in 100, 125 and 150mm models which connect to the relevantly sized ducting. Being axial motors the fans are only designed to be ducted minimal lengths, you can view the pressure curve diagrams on each product listing for more information.

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exhaust fan calculatorHow do I calculate which exhaust fan I need?

Fan suitability is usually determined by your room size and application. Generally we recommend aiming to achieve 15 air changes per hour for a bathroom, maybe 10 for a toilet. This is easily calculated, simply work out the size of your room in m3 (length x width x height in meters). You can then multiply this figure by 15 to give you an approximate capacity rating required for the fan. For your convenience all fans are measured in m3/hr. Please note 15 is our general recommendation, rooms prone to condensation may require 20-30 air changes.