Small Insect 20×20 Fiberglass mesh

Keeps out small insects such as Sand-flies, Gnats, No-See-Ums, and pine needles from getting stuck in the roof panels of your screen enclosure. It is densely woven screen that still allows good ventilation and visibility. This screen has an average lifespan of 5-7 years.No-See-Ums 20x20 Fiberglass Mesh