American Standard Electric Aluminum Double Top Hung Window Description Double hung window is a type of window that slides vertically within a frame. It consists of two sashes, with the bottom sash sliding up and the top sash sliding down. The sashes are typically counterbalanced with weights or springs to make them easier to move. They are popular because they provide good ventilation and are easy to operate. Material Top Quality Thermal Break Aluminum Profiles-Powder Coating Finishing Size Cusztomized Color Black/Grey Or Cusztomize Surface treatment Powder Coating, RAL Color Applicable place Villa,Hotel,Mall, Delivery Time 25-35days OEM Avaliable Pleae feel…