This autovent is designed for top-hung aluminum or timber-framed vents up to 3ft x 2ft (900mm x 600mm). Featuring reinforced springs, it provides a closing force of approximately 1.8kg (4lbs) and can be adjusted to start opening at around 55°F (12°C). Ideal for roof vents in exposed areas, it offers added resistance to wind flutter. Available in white or brown with a durable epoxy powder coating, this autovent ensures your greenhouse remains well-ventilated and protected from the elements.
