While commercial buildings emphasize simple and aesthetic look, people working inside desire natural air circulation, mosquito-free environment, and safety. This model of inner screen window is designed especially for metropolitan buildings.
Screen window invisible from outside of the building. Can see through both reflective glasses. Inner screen window do not fall out easily; screen does not become dirty easily. Inner frame is easy to install and remove. Smart outer frame design only allows inner frame to be removed from inside. Raised outer frame baffle keeps inner frame from falling out easily.