Window Openers

BotaBay 2PCS Greenhouse Vent Automatic Opener Solar Heat Sensitive, Automatic Roof Vent Opener Greenhouse Accessories Solar Window Louvre Thread Opener Ventilation, Up to 30lbs (Dual Spring Opener) 【HIGH QUALITY MATERIALS】Made of high quality of galvanized steel.Durable and strong for long time use. 【PERFECT FOR GREENHOUSE WINDOW】This vent opener will automatically open and close your greenhouse window while the environment temperature changes...