Greenhouse Window Opener Set made of Stainless Steel Solar Heat Sensitive Window Single Spring load 7kg

Description:

-Solar heat sensing greenhouse automatic window spring opener.

-Made of stainless steel, heavy-duty, Maximum opening Load: 7 kg / 15 kg

-Working Principle: As the temperature changes automatically, thermal expansion and contraction, the black cylinder maintains the best growing temperature and prevents your greenhouse from overheating.

-Solar powered, automatic open or close the greenhouse vents as temperature rises or drops.

- -saving and friendly, no eletricity

Specification:

Material: Stainless Steel

Size: Approx. 38x10x5cm / 14.96x3.94x1.97inch

Maximum window opening: 45 cm

Maximum opening: depending on adjustment and load

-Single Spring :

Max. opening weight load: 7 kg

Adjustable open temperature range: -25 degree / 68 -

-Double Spring :

Max opening weight load: 15 kg

Adjustable open temperature range: 15 degree -25 degree / 60 -

Package Includes:

1 Piece Greenhouse Window Opener

Note:

Please use the opener where the temperature will exceed 50 degree (122F).

Please remove the cylinder, the opener cannot be stopped by manual.