Made of quality material, durable, solid and convenient to use.It is a good partner for Vent Opener.
As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
Non-electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
Ideal for your greenhouse window.Also suitable for Orbesen, Gardman & B & Q vents
The temperature is automatically adjusted from 15 to 25 °C.And Important Note: DO NOT USE these openers everywhere will not exceed the temperature 50 ° (122F)
