This United Window & Door PRO Series New Construction window is expertly crafted from Brilliance solid white vinyl, known for its durability and sleek appearance. The Low-E and Argon gas filled double pane glass ensures superior energy efficiency. The fully welded frame and sashes allow for smooth operation and easy cleaning, with both top and bottom sashes opening for ventilation. The exterior and interior are both finished in Brilliance white vinyl, and the corrosion resistant, Teflon coated, stainless steel constant force balance system ensures effortless operation. With a weather-tight true sloped sill and Nite locks for added security, this window is designed to repel water and keep your home safe and comfortable. The included full screen is made of a dark fiberglass mesh for maximum visibility and ventilation while keeping insects out.