Andersen. By constructing frames from its patented polymer-wood fiber composite Fibrex material, 100 Series windows contain a minimum of 18% pre-consumer recycled glass and wood-fiber content. Much of the wood fiber in Fibrex is reclaimed directly from Andersen manufacturing operations. The new collection also has been SCS certified for indoor air quality. Available in single-hung, gliding, casement, awning, and specialty fixed styles, 100 Series windows are available in four exterior colors with white interiors. Choose from a range of glass options including SmartSun low-E and grilles-between-the-glass. 800.426.4261. www.andersenwindows.com.