The 4" X 100' FIBER GLASS SLEEVE from SEALFAST is a robust protective sleeve designed for insulation and reinforcement. Made from high-quality fiberglass, this sleeve offers excellent thermal resistance and durability, making it suitable for high-temperature applications. With a length of 100 feet, it provides ample coverage for various projects, ensuring reliable protection against abrasion and environmental factors. This fiberglass sleeve is compliant with industry standards, making it a trusted choice for both commercial and industrial uses.