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This vent is a built-in type. Outer aluminum box, no protuberance. There is control unit in the profile. Special design promises air flows from down outdoor into upper indoor. Inner side is like a mesh which can prevent insects from entering in.
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Natural and even ventilation and air change while no need to open the window.
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Easy maintenance, aging-resistant, corrosion-resistant, long service life profiles
Hardware: China hardware or exported hardware
Glass: 5mm, 6mm, double glass, reflective glass, 5mm+9A+5mm
Pack: single packing
Delivery: 18-20days
Our port: Guangzhou
Guangzhou LUHAITIAN Windows & Doors Co., Ltd. was established in 1999. LUHAITIAN is located in Guangzhou Province. It is a professional manufactory of windows and doors for 10 years. we have gained ISO9001:2000 quality management certificate, and also gained the CE certificate--is a passport that opens and enters the European market as the manufactory, and import and export license, we are the only designated supplier of windows and doors by Canton Fair Imp.& Exp. Co., Ltd.