Shanghai Suntek Modern Door & Window Co., Ltd. [China]

Double Hung Window 1.20 years' experience 2.Certificate: ISO:2008&ISO14001&CE&AS2047 3. High quality Energy saving

83 Series Double Hung Windowprovides a maximum face opening for ventilation of one-half the total window area. Each sash is provided with springs, balances, or compression weatherstripping to h old it in place in any location.

83 Series New Double Hung Window