Easy to install roof vent, with simple pull-cord operation. Used to release excessive heat build-up in your polytunnel without having to open the doors. The spring closing design allows it to be closed tight shut when ventilation is not required. Useful in longer polytunnels where heat can build up in the middle, or when the doors need to be closed.
Support Bars are sold seperately, if you require support bars, please choose according to the width of your tubes.
Weight: 2.3kg
Top Outlet diameter: 41cm
Base Inlet diameter: 48cm
Overall width: 53cm
Height: 28cm
Easy to install roof vent, with simple pull-cord operation. Used to release excessive heat build-up in your polytunnel without having to open the doors. The spring closing design allows it to be closed tight shut when ventilation is not required. Useful in longer polytunnels where heat can build up in the middle, or when the doors need to be closed.
Support Bars are sold seperately, if you require support bars, please choose according to the width of your tubes.
Weight: 2.3kg
Top Outlet diameter: 41cm
Base Inlet diameter: 48cm
Overall width: 53cm
Height: 28cm
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Roof vent and support bars
Excellent robust product. Took 2 of us 30 minutes to install and has been used in anger to our complete satisfaction.