JN110 内开窗纱一体

利用等压原理设计下沉式的排水系统，经典欧标流线型结构设计，密封、防水、隔音、隔热效果极佳，配内平开高透防蚊纱扇，分体式结构，整体式防水设计。

The sinking drainage system is designed using the principle of equal pressure, the classic European standard streamlined structure design, excellent sealing, waterproof, sound insulation, and heat insulation effects, equipped with an internal flat-opening high-permeability mosquito-proof gauze fan, a split structure, and an integral waterproof design .

灰色、白色、咖啡色、黑色