The 3" X 100' FIBER GLASS SLEEVE by SEALFAST is a high-performance protective sleeve designed for insulation and reinforcement. Made from premium fiberglass, this sleeve provides excellent thermal resistance and durability, suitable for a variety of applications. With a length of 100 feet, it offers ample coverage for projects requiring reliable protection against heat and abrasion. This fiberglass sleeve complies with industry standards, ensuring safety and performance in both commercial and industrial settings.