Description

If the temperature Lower again (the cylinder cools down), the spring pushes the air rod back into the cylinder (the window closes). . (window opens). Working principle of greenhouse vent automatic opener: If the temperature of the greenhouse rises, the gas in the gas field will become hot, and the spring force will push it out due to the increase in pressure

Features

-Durable and rust- in humid environments, with long service life.
-Easy to install, convenient and practical.
-The automatic vent opener is suitable for most current garden greenhouses.
-Light weight and portable, easy to carry and storage.


-Automatically to maintain the optimal growth temperature and prevent the greenhouse from overheating.

-Color:Black
-Material:Stainless steel
- Size: 32.00X1.50X1.50cm/12.58X0.59X0.59in

1 x Automatic Window Opener

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