Bayliss Triple Spring Autovent - Bayliss Triple Spring Autovent

• Bayliss Triple Spring Mk7 Autovent
• Made in the UK
• High quality & reliable, with 2 yr cylinder warranty
• Anodised finish
• Same as the Mk7, but with an additional 2 springs for extra closing force
• Suitable for heavy vents, and lightweight vents in windy locations

Greenhouse autovent suitable for opening top hung aluminium or timber framed vents measuring up to 3ft x 2ft (900m x 600m). The extra springs on this autovent give a closing force of approx 1.8kg (4lbs) and can be set to start opening at approx 55F (12º). Can also be fitted to roof vents in exposed positions to increase resistance to wind flutter.