🌿 Solar-Powered Greenhouse Auto Vent Opener – Double Spring | No Electricity Needed

Take the guesswork out of greenhouse climate control with this automatic solar-powered vent opener. Built with double-spring support for added strength and stability, it uses the power of the sun no wiring or batteries required to maintain the ideal environment for your plants.

☀️ Key Features:

• ✅ Automatic Temperature Control
  Opens and closes greenhouse vents based on internal temperature starts opening at 15°C (59°F) and fully opens by 38°C (100°F) for optimal airflow.

• ✅ Solar-Powered, Eco-Friendly
  Operates entirely on solar energy via heat-sensitive wax cylinders. No electricity, no batteries, no maintenance.

• ✅ Double Spring Design
  Provides enhanced load support and smooth operation for heavier vents and windows.

• ✅ Built to Last
  Made with alloy aluminum and stainless steel for rust resistance and year-round durability.

• ✅ Universal Fit & Easy Installation
  Includes clamps and screws for quick installation on most greenhouse windows or vent frames.

📐 Product Specifications:

• Material: Alloy Aluminum + Stainless Steel

• Opening Temperature Range: 15°C–25°C (59°F–77°F)

• Fully Opens At: 38°C (100°F)

• Max Opening Distance: 45 cm (18")

• Max Load Capacity: 7 kg (15 lbs)

• Power Source: Solar – no external power required

• Mounting Hardware: Clamps & Screws (included)

Keep your plants protected and your greenhouse ventilated automatically, sustainably, and worry-free. Ideal for hobbyists and professional growers alike.