LHCER Greenhouse Window Opener Solar Heat Sensitive Automatic Vent Opener Double Spring Aluminum Ventilation Opener,Automatic Vent Opener,Ventilation Opener

Feature:

1. [Solar Powered] A mechanical system activated by heat that requires no batteries or electricity and uses solar energy to open or close the greenhouse's vents as the temperature rises or falls.
2. [Automatic Temperature Control Sensor] Automatic temperature control sensor cylinders that allow roof vents to open and close at the appropriate time to ensure adequate airflow.
3. [Durable Material] Greenhouse window opener is made of aluminum and stainless steel, which is durable and weather for long term use.
4. [Quick Open And Close] Automatic vent opener opens and closes greenhouse window quickly and can be clipped or screwed onto your greenhouse frame.
5. [Prevent Overheating] With automatic temperature changes, the ideal growing temperature is maintained and the greenhouse is prevented from overheating.

Specification:

Item Type: Vent Opener
Material: Aluminum
Window Bracket Product Size: Approx. 33.5 x 4.5 cm / 13.2 x 1.8 in
Temperature Sensing Cylinder Product Size: Approx. 34cm / 13.4in
Weight: Approx. 436g / 15.4oz
Start Opening: 25°C 77°F
Start Closing: 15°C 60°F
Open Temperature: 38°C / 100°F
Maximum Opening Distance: Approx. 45cm/18in
Fits Weight: Window or vent up to 7kg/15lbs
Applicable: Suitable for any and most greenhouses

Package List:

1 x Cylinder

1 x Window Opener Bracket

1 x English Manual

8 x Screw

4 x Accessories