Solar Heat Sensitive Automatic Greenhouse Window Opener Hothouse Vent Openers Auto Vent Kit Greenhouse Accessories

Key Features

• 1.Thicker and stronger material with 2-spring type, suitable for windy mountain area, resist wind twist.
• 2.Aluminium and stainless steel material, No worry corrosion.
• 3.Solar energy sourced, no operating cost, environmentaly friendly.
• 4.Both Clamp and screw for easy installation.
• 5.Pack well for shipment.

Specifications