The Series 7620 Sliding Window features one or two sliding sash in XO, OX, XX and OXO configurations. It offers a design pressure rating for commercial applications such as luxury hotels and resorts, office space, and multi-family housing. Designed with a 5.875” frame depth (ideal for noise reduction and security glass), it can be integrated with our hinged doors, sliding doors, and fixed window walls for maximum views and ventilation. The double-sash sliding window is available in sizes up to 120″ x 72″.