Designed for greenhouse ventilation, this device facilitates airflow by mechanically responding to temperature changes.
Operates on thermal expansion principles to open vents when temperatures rise and close them as they cool.
Crafted from robust aluminum alloy with a sleek black finish, this unit resists weathering and provides durability in outdoor environments.
Designed for versatile compatibility, it fits standard roof vents, cold frames, and skylights with a compact cylindrical profile for easy integration.
Includes one automatic vent opener per package, featuring a maintenance-free mechanical design that requires no electricity, batteries, or lubrication.
