electric window\/air ventilator\/louver\/ventlight for greenhouse

1.galvanized sheet shutter,rainproof,dust proof,durable!
2.The latest technology,high quality and beatiful appearance!

specifications:1.There are rings and sealed strip between shuttersto ensure isolating outside noise,dust and storms when closed.2.Theoutline border adopt advanced automatic process,thicker zinccoat,corrosive resistant.3.Motor drives the connecting rod to turnover the shutter.The shutter can open 0-105degree,controlled by themotor.4.Easy operation:handle with theswitch.5.Safety.children can`t pass it when open.6.When the shutteropens 90 degree,you get the optimal ventilation,and 15-25 degreefor effectively prevent outdoorspy. certifications: exhibitions:  department:  office:  electric window/air ventilator/louver/ventlight for greenhouse
electric window\/air ventilator\/louver\/ventlight for greenhouse