Designed to fit standard ventilation windows in greenhouses, cold frames, and sunrooms, ensuring seamless integration with existing vent structures for passive climate management.
Automatically regulates airflow by opening vents when heat rises and closing them as temperatures drop, preventing overheating without any manual intervention or monitoring.
Crafted from robust aluminum alloy to resist corrosion and withstand harsh outdoor weather, featuring a compact 14.4 x 2.6 x 2.6 inch profile for durable long-term use.
Operates entirely on mechanical thermal expansion principles, eliminating the need for electricity, batteries, or complex wiring to maintain optimal growing conditions effortlessly.
Includes one automatic window opener unit along with necessary installation hardware, allowing for quick and tool-free setup on compatible window frames right out of the box.
