Accessories > Automatic Vent Openers Thermoforce Auto roof vent opener

Suitable for most timber/metal greenhouses. Easily fitted - the temperature at which it starts to open is adjustable between 12 and 25 degrees. Our price: £21.50    FREE UK Mainland Delivery Buy online:

Thermoforce Auto roof vent opener

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Please note: because greenhouses can be ordered in thousands of height, breadth, depth and construction combinations it would be impossible for us to show the complete range we can offer. This site only has a small selection of our greenhouses. For the rest of our extensive range and details on the other makes such as Robinsons, Cambridge, etc. please visit our main greenhouses site at:

www.Greenhouses-UK.com