BIBISTORE Automatic Greenhouse Vent Opener Solar Powered Auto Hothouse Window Opener Wooden Cold Frame Roof Vent Opening Kit Greenhouse Accessories-(Lifts 15.4 Lbs,Double Spring)

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Overview Brand : BIBISTORE Item Weight : 0.49 Kilograms Frame Material : Aluminum Number of Doors : 1 Number Of Vents : 1 About this item HIGH QUALITY MATERIALS-Made of high qualit y of aluminum and stainless steel.Durable and no rust. NO ELECTRIC POWER NEEDED&AUTOMATIC-Solar powered , automatically open or close the greenhouse vents as temperature rises or drops. DOUBLE SPRING-Double spring type, suitable for windy mountain area, resist wind twist.Stronger Force,lifts up to 15.4 Lbs(7kg). EASY INSTALLATION-Comes with a fitting accessory pack and a detailed manual for easy installation. OVERHEATING PROTECTION-This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating. Show more