Ventomax automatic window opener
1133 in stock
The Ventomax automatic window opener has a compressive force of approximately 7 kg. Due to temperature rise, the liquid discharges into the cylinder, whereby A pivotal movement opens the window in your greenhouse. If the temperature in the greenhouse drops again, the greenhouse window will automatically close again. No electricity is required for the operation of this window opener, which makes this product ideally suited for hobby greenhouses.