Greenhouse Window Opener Solar Heat Sensitive Automatic Vent Opener Double Spring Aluminum V1294-YM0523-3111220010011

1、 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 resistant 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.

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

1 x Cylinder

1 x Window Opener Bracket

1 x English Manual

8 x Screw

4 x Accessories