Automatic Aluminum Alloy Greenhouse Window Opener Roof Vent Autovent Solar Heat Sensitive Greenhouses

Greenhouse Window Opener Kit<br>Color: silver + black<br>Material: Aluminum Alloy<br>Fully adjustable between 20 - 25 ° C (68 - 77 ° F)<br>Maximum window opening: 45cm / 18 inch<br>Size: 38 x 9.5 x 9.5 cm / 14.96 x 3.74 x 3.74 inch<br>Package: 1* Automatic Window Opener Kit<br>Only the above package content, other products are not included.<br>Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

• perfect for your greenhouse window--opens and closes your greenhouse window.
• Do excessive loads by locking or covering windowDo not dismantle the cylinderThe opener CANNOT stop by manual.
• Non Electric, uses solar energy, open or close the greenhouse vents as temperature rises or dropsIncluding fittings & installation manualCan be clamped onto or screwed onto your greenhouse
• as the temperature changes automatically, maintains the best growing temperature.and prevents your greenhouse from overheating.
• frameImportant notice:Do not use this opener anywhere the temperature exceed 50° (122F)Please your greenhouse window can be opened freely by at least 45cm (18inch)