Pack of 2 Greenhouse Window Openers, Automatic Window Opener for Greenhouses, Garden Sheds, Window Regulator, Solar Replacement Cylinder, Temperature Controlled (2)-Fast Shipping

Description

Highly sensitive and fully automatic highly sensitive and automatically reacts to weather changes, so you don’t have to stay near the greenhouse.

Working principle: use solar without electricity. When the temperature rises or falls, the opening of the greenhouse opens or closes.

Universal The replacement cylinder is compatible with most single or double spring greenhouse window openers.

Load capacity: max. 7 kg. Lifting height: max. 40 cm

The temperature is automatically set from 15 to 25 °C. Do not use this opener cylinder in places where the temperature exceeds 50 °C.