The 4mm (5/32") Outside Diameter x 100', Green, Polyurethane Tube is a flexible, durable, and lightweight tubing solution ideal for pneumatic, fluid transfer, and industrial applications. Its vibrant green color allows for easy identification in multi-line systems. 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.