This Roof Vent which can be easily installed with support bars. It is used to release excessive heat buildup in your polytunnel. Using a simple pull-cord operation, it can be open and closed manually. The spring closing design allows it to be closed tight shut when ventilation is not required. This is particularly useful in longer polytunnels where heat can build up in the middle.
Weight: 2.3kgs Top Outlet Diam.: 41cm Base Inlet Diam.: 48cm Height: 28cm
INSTALLATION: Simply cut out a 30-35cm hole in your polytunnel cover, insert the fan from the inside in a rotating motion, and clip on to the support bars (Sold separately). Installation Guide available.