1.Side Frame: 70mm Width, this window is 70 series high air-tightness & energy savinghorizontal pivoting window;2. The gasket is PA66 Nylon for thermal break purpose;3. Designed with "double equal pressure chamber" sealing technology, which provide the window with excellent waterproof & drainage performance and high air-tightness.4. Adopt multiple sealing to improve the thermal break performance of the window5. Glass: 6+ 12+6 Hollow Glass;6. Invisible hinge design;7. Suitable for the North of China.
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