● The width of the outer frame is 119mm and the wall thickness is 1.5mm
● Unique rubber strip sealing structure, in order to meet the indoor space advantage at the same time improve the sealing of the overall window, to reach the standard of flat open system
● It is equipped with flat open gold and steel mesh, which can prevent mosquitoes and ants, enhance the protection function, and can be opened inside or outside, with wide choice and safe operation without hidden danger
● Glass opening 39mm, can be equipped with built-in hundred pages, three glass, etc., improve the heat insulation performance, internal fan using mobile corner code connection, simple and convenient operation
● Hardware accessories adopt Shenzhen Haibo brand, safe and reliable durable, excellent use effect