Greenhouse ventilation automation: automatically regulates window opening and closing based on temperature fluctuations; ensures a steady airflow for plant health; offers hands-free ventilation for when away
Temperature-responsive mechanism: the cylinder is activated by temperatures between 61-77℉ (16-25℃), with full opening achieved at about 86℉ (30℃); runs entirely without electricity
Window opening range control: can open vents or roof windows up to a maximum of 18 in; capable of supporting outward-opening windows with a weight of up to 15.4 lb; ensures a safe and controlled operation
Durable galvanized steel build: crafted with a galvanized sheet for extended durability and resistance to rust in humid environments; ensures long-lasting operation throughout the season
Wide application scope: designed for greenhouses, hothouses, and sunrooms; helps to release excess heat through passive ventilation; requires proper installation and maintenance as per provided instructions
