Durable Aluminum Alloy Construction Built with a robust aluminum alloy frame and main structure, this window offers strength and longlasting performance, making it ideal for both residential and commercial applications. The durable materials resist corrosion and wear, ensuring reliable use over time. Smooth and Secure Operation Engineered with a precisiongliding sash, the window opens and closes effortlessly. The sash interlocks seamlessly with the main frame, providing a firm, weathertight seal that keeps out drafts and moisture. Energy Efficient Design Doubleinsulated glass combined with wool pile seals helps maintain indoor comfort by reducing heat loss in winter and keeping cool air inside during summer. This energy efficiency may contribute to lower heating and cooling costs while improving overall comfort. Improved Ventilation Includes a fullsize screen that can be easily removed when needed. This allows you to enjoy fresh air and natural ventilation without the intrusion of insects, making it for comfortable indoor living. Ideal Applications In living rooms or bedrooms, the easytoremove screen and smooth sash are for adapting to changing weather conditions. In kitchens, the enhanced airflow helps reduce cooking odors while maintaining a secure seal when closed. In offices or workshops, the durable construction and energy efficiency create a more comfortable and productive environment yearround. Specifications Material: Aluminum alloy frame and main frame Operation: Smoothgliding sash with secure interlock Efficiency: Insulated glass and wool pile seals Feature: Removable full screen for ventilation