Solar Powered Automatic Window Opener - The temperature can not exceed 50° for greenhouse lanterns to prevent overheating of the greenhouse.

Description:

Can be fixed or screwed onto your greenhouse frame Ideal for the window of your greenhouse - opens and closes the window of your greenhouse. Please make sure your greenhouse window can be opened freely at least 45 cm (18 inches). Non-electric, uses... More

Description:

Can be fixed or screwed onto your greenhouse frame Ideal for the window of your greenhouse - opens and closes the window of your greenhouse. Please make sure your greenhouse window can be opened freely at least 45 cm (18 inches). Non-electric, uses... More

Description:

Can be fixed or screwed onto your greenhouse frame Ideal for the window of your greenhouse - opens and closes the window of your greenhouse. Please make sure your greenhouse window can be opened freely at least 45 cm (18 inches). Non-electric, uses... More

Description:

Automatic window opener: can be clamped onto or screwed onto your greenhouse frame Metal plant labels: non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops Automatic vent opener: including fittings... More

Description:

Window Opener Cylinder Data parameter: Size: Approx. 38x9.5x5cm / 15.0x3.7x2.0inch; Maximum window opening: 45cm / 18 inch; Maximum opening weight: 7kg/15lb; Notes: Do not use this opener anywhere the temperature will exceed 50° (122F). Automatic... More