Bringing air into the grow room is just as important as taking it out!

Inline fans are designed to work under smaller loads than centrifugal fans, but are great to provide air movement and to help balance the effect of an outlet environmental system. It is important to consider that when you are attemting to emulate the ideal atmosphereic conditions, bringing in fresh air is as crucial as extracting the used hot air.

The eziAIR inline fan (part of the ezi range) is a great choice.