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Feature

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 ensure your greenhouse window can be opened freely by at least 45cm (18").Do not apply excessive loads by locking or covering window
Ideal 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.
Important notice:Do not use this opener anywhere the temperature will exceed 50 (122F)

Description

Greenhouse Window Opener Kit:
Maximum window opening 45cm
Maximum opening about 30 degree, depending on adjustment and load
Maximum opening weight 7kg/15lb
Adjustable open temperature range 15degree- 25degree/60degree- 77F

Replacement Greenhouse Window Opener Cylinder:
Maximum opening weight 7kg/15lb
Adjustable length 33-45cm
This products need to be refrigerated before using.

Package includes:
1 x Window Opener Kit