- Reliable, quality built anodised aluminium automatic window opener for greenhouses.
- Clamps onto most aluminium greenhouse vents no need for drilling.
- Can also be used for timber framed vents.
- Will fit a window weighing 12.5kgs (28lbs), exerting a load of 6.5kgs (14lbs).
- It is temperature adjustable and can be set to start opening the window from 13 18C (55 -65 F)
Code: 355521