• Utilizes a concealed large-sized chain for optimal load-bearing capacity.
• Features two layers of airtight and waterproof seals for excellent airtightness and water resistance.
• Equipped with a multi-point linkage handle for superior airtightness and water tightness.
• Integrated design of concealed insect screen and aluminum window, with the insect screen made of black fiberglass mesh for optimal visibility.
• The concealed insect screen employs a patented dual roller design, offering wind resistance and finger protection features.

■ The significant temperature difference between indoor and outdoor environments can cause condensation on the aluminum and glass surfaces. Our thoughtful condensation drainage design ensures that you don't have to worry about water dripping inside the room.