The 4mm 5/32 Outside Diameter x 1000', Clear, Polyurethane Tube this high-performance polyurethane tubing is designed for exceptional flexibility, durability, and resistance to abrasion and chemicals, making it an ideal choice for a wide range of fluid transfer, pneumatic, and industrial applications. This tubing provides a lightweight yet strong solution for precise fluid and air handling. Its transparent design makes it easy to monitor fluid flow, ensuring smooth operation in critical applications. NSF 51® Polyurethane (PUR) Shore A 98 tubing is a strong, lightweight, and flexible option known for its excellent resistance to abrasion, cold, chemicals, and kinking. Made with high-quality ether-based materials, it offers superior durability, tight OD tolerances, and easy installation while meeting NSF, FDA, RoHS, and UL standards.