Decdeal Solar Heat Sensitive Vent Automatic Greenhouse Window Opener

After installed this temperature controlled automatic vent opener, your window will be a self opening one. It is solar heat sensitive that open the vent when weather warms up and then closing when it cools down. Really works well in maintain the greenhouse within the preferred temperature .

Specifications:
Material: Aluminum, SS
Item Weight: Approx. 376g / 13.26oz
Package Weight: Approx. 439g / 15.49oz
Package Size: Approx. 14.96 * 3.74 * 1.77in

Package List:
1 * Vent Opener
1 * Package of Accessory
1 * Manual (English)

Note:
Do not heat to more than 50℃(122℉).
Do not dismantle the cylinder.
Cooling the cylinder for 24 hours before installation.
The maximum angle of product opening and closing is 45°.

• Compared with the single spring vent, the double one has stronger thrust force, more solid, and much durable.
• The double spring vent opener can be closed manually.
• Elongated aluminum cylinder with paint spraying, weather resistant.
• Solar heat sensitive vent opener, automatic stretch or shrink the vent while the temperature is changing.
• Stainless steel accessories would last long time use.