Automatic Greenhouse Window Opener Auto Vent Opener Roof Vent Opener Greenhouse Accessories Solar Window Louvre Thread Opener Auto Vent Kit

Automatic Greenhouse Window Opener Auto Vent Opener Roof Vent Opener Greenhouse Accessories Solar Window Louvre Thread Opener Auto Vent Kit

👍【HIGH QUALITY】The window opener is made of premium aluminum alloy materials. The paint spraying aluminum frame looks more lustrous, durable and rust-proof. 👍【NO ELECTRIC POWER NEEDED】Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling needed quality construction. 👍【APPLICATION】Maximum window opening approximately 45cm/18'', depending on adjustment and load. Lifts vent weight up to 15.3 lbs ( 7 kg ),covers most of greenhouse windows.If it is still not enough for your window,you could use two window openers together. 👍【AUTOMATIC】This opener will automatically open and close your greenhouse window as the temperature changes automatically, This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating. 👍【NOTICE】 Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an environment with a temperature higher than 50°(122°F)

Automatic Window Opener Greenhouse Solar Heat Sensitive Greenhouse Window Roof Vent Single Spring Window Opener Garden Tools

Features:

--With the automatic window openers, you can be sure of an even temperature in your greenhouse  day and night.they allow thermostatic ventilation control through the roof windows of your greenhouse.   

--It needs to put the cylinder in the refrigerator for a period of time (half an hour is enough) before the cylinder screw into cylinder housing.

Specifications:

Material: Stainless Steel

Fully adjustable between 20 - 25 ° C (68 - 77 ° F)

Maximum window opening: 45cm / 18 inch

Maximum opening weight: 7kg/15lb

Size: 38 x 9.5 x 5 cm

Package:

1 x Automatic Window Opener Kit

Notes:

Do not use this opener anywhere the temperature will exceed 50° (122F)

Please your greenhouse window can be opened freely by at least 45cm (18")

Do not apply excessive loads by locking or covering window

Do not dismantle the cylinder

The opener CANNOT stop by manual