Garden Buildings

Greenhouse Window Opener Vent 2PCS Greenhouse Automatic Window Opener Aluminum 15°C-25°C Adjustable Auto Roof Ventilation Gardening Tools for Cold Frames and Greenhouses AUTOMATED WINDOW OPENING: It can automatically open and close greenhouse windows according to temperature changes( maximum opening distance: 17.72in) to maintain optimal growing temperatures, prevent greenhouse overheating, efficiently regulate the... Greenhouse Window Opener Vent 2PCS Greenhouse Automatic Window Opener Aluminum 15°C-25°C Adjustable Auto Roof Ventilation Gardening Tools for Cold Frames and Greenhouses