Express Delivery Available! Free Delivery When Just Ordering Nematodes!

Automatic Greenhouse Louvre Vent Opener

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Special Price £17.49 £14.57 RRP: £24.99 SAVE £7.50
In stock

Give your greenhouse the ventilation it needs with our automatic louvre vent opener. It uses the power of the sun to automatically open and close based on the temperature you set.

It works by using a wax cylinder which expands in the heat. 

Comes complete with step by step instructions.

Fits most standard greenhouse louvre vents.

Opens windows from 17-25 degrees celcius.

Made from aluminium zinc coated steel.

The mechanism itself without the cylinder is approx. L:14cm x H:5cm x D:4.5cm.

When ordering just nematodes, delivery is free of charge.
For all other items, we will either charge £4.98 for standard items, £6.99 for large items and £14.99 for oversized items.
The correct delivery charge will be applied in the checkout.
*some additional charges can be applied for larger and heavier items to highlands and islands.