The REHAU System 700 Hung-Slider Window design is one of the most comprehensive hung-slider replacement window designs on the market. Providing five styles with a variety of design and performance options, this versatile design is an excellent choice for upscale residential and light-commercial applications. With the System 700 design, single hung, double hung, single slider, double slider and fixed configurations are possible. Available in white, beige or clay and can be laminated with solid color or wood-grain foils.