Speedwellstar Heavy-Duty Automatic Greenhouse Vent Opener | 15kg Twin Spring

Maintaining the perfect climate for your plants shouldn't be a full-time job. This Speedwellstar Automatic Vent Opener takes the guesswork out of greenhouse ventilation, ensuring your garden thrives even when you aren't around to monitor the temperature.

• Feature: Heavy-Duty Twin Springs – These springs provide superior strength and durability compared to standard models → Benefit: You get a reliable, long-term solution that handles heavy greenhouse windows with ease.
• Feature: Temperature-Sensitive Piston – The device automatically triggers between 15°c - 23°c (59f-73f) and reaches a full 45cm (18") opening at (95f) or above → Benefit: Your plants stay protected from overheating without you needing to manually adjust vents.
• Feature: Universal Mounting Compatibility – Designed to clip or screw onto both aluminium and wooden frames → Benefit: Installation is simple and versatile, making these essential garden accessories suitable for almost any greenhouse setup.
• Feature: Upgraded Piston Design – Enhanced internal components ensure consistent, smooth operation over time → Benefit: You enjoy peace of mind knowing your ventilation system is built for longevity and performance.

Upgrade your greenhouse today with this dependable opener to create a healthier, more consistent growing environment for your plants.