Greenhouse Window Opener Kit, Automatic Ventilation Tool, Aluminum Alloy Temperature - Responsive Opener with Spring Support for Greenhouse and Garden Use

Condition: 100% Brand NewItem Type: Window Opener KitMaterial: Aluminum Alloy Color: BlackUses: Greenhouse, HouseholdBearing Weight: 14kg / 31lbOpening Force: 7kg / 15lbClosing Force: 0.5kg / 1lbProduct Operating Temperature: 17-25℃Maximum Opening Temperature: 30℃Maximum Opening Distance: Approx. 45cm / 17.7inWeight: Approx. 570g / 20.1ozWindow Opener Size: Approx. 31.5cm / 12.4inCylinder Size: Approx. 34cm / 13.4inPackage List：1 x Accessory Kit (12Pcs)1 x English Manual1 x Window Opener1 x CylinderNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.

• Temperature-Responsive Automation: This greenhouse window opener kit automatically opens and closes vents as ambient temperature shifts between 17°C and 25°C, preventing overheating and maintaining an ideal growing environment without electricity or manual intervention.
• Durable Aluminum Alloy Build: Constructed from high-strength aluminum alloy, this automatic window opener resists and wear, ensuring long-term stability and reliable performance season after season in outdoor greenhouse conditions.
• Versatile Installation & Use: Designed for greenhouses and household gardening setups, the opener can be easily clamped or screwed onto most standard frames, supporting up to 14kg (31lb) and opening windows up to 45cm (17.7in) for effective airflow control.
• Wind- Spring Mechanism: Equipped with integrated springs and support rods, this greenhouse ventilation opener provides extra reinforcement against strong winds, keeping your vent secure while still allowing smooth, temperature-driven operation.
• Complete Ready-to-Use Kit: Each package includes 1 window opener, 1 cylinder, a 12-piece accessory kit, and an English manual—everything needed for quick setup and immediate use to optimize plant health through consistent climate management.