Key features

Perfect

for your greenhouse window--opens and closes your greenhouse window.

As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.

Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

Can be clamped onto or screwed onto your greenhouse frame.

Please make sure your greenhouse window can be opened freely by at least 45cm (18").

Specifications:

Greenhouse Window Opener Kit

Maximum window opening 45cm

Maximum opening about 30°, depending on adjustment and load

Maximum opening weight 7kg/15lb

Adjustable open temperature range 15°- 25°/60°-77F