Phifer 3028783 UltraVue Insect Screen Black 48 inches by 50 feet is an excellent Visibility screen that offers a premium viewing experience. It is designed for 15 percent greater openness providing 25 percent better airflow. 25 percent more optical clarity for a crisper, brighter outward view. Improves light transmittance in low-E glass windows. This screen is GREENGUARD certified. Ideal for windows or low traffic applications where the focus is on the view.