Greenhouse Automatic Window Opener Cylinder Autovent Tool

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Description:

Made of quality material, durable, solid and convenient to use.
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.
Great for your greenhouse window.
This products need to be refrigerated before use it.

Specification:

Replacement Greenhouse Window Opener Cylinder
Temperature °- 25°/60°-
Maximum opening weight 7kg/15lb
Adjustable length 33-45cm
This products need to be refrigerated before use it.

Package Includes:

1 Piece Winder Opener Cylinder

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