Description

. (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. If the temperature Lower again (the cylinder cools down), the spring pushes the air rod back into the cylinder (the window closes)

Features


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

-Automatically to maintain the optimal growth temperature and prevent the greenhouse from overheating.
-Color:Black
-Material:Stainless steel
-Size:34.00X1.50X1.50cm/13.36X0.59X0.59in
solar greenhouse opener

1 x Automatic Window Opener

1.If you have some inquires or problems, Please feel free to contact us.
2.We will reply your email within 1 business day (except weekend).
3.When delivery is delayed or items are damaged during delivery, please email us first before you leave feedback. Thank you.