Apollo Greenhouse Auto Window Vent

Reliable, quality built anodised aluminium automatic window opener for greenhouses.

• Clamps onto most aluminium greenhouse vents Ãœ 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.