Feel good about choosing 100 Series products. The Fibrex® composite frame and sash contain 40% pre-consumer reclaimed wood fiber, and the glass used contains 12% reclaimed glass. Andersen 100 Series products are twice as stable and rigid as vinyl. Your windows and doors will look as beautiful in 10 years as the day they're installed. Enhance the color with nine grille choices, decorative glass and more. Seamless corners, low-profile hardware and an attractive matte finish add understated beauty to any home.