The 3/8 Type B Air Brake Tubing 100 is a DOT-approved, high-performance nylon tubing designed for air brake and pneumatic control systems in heavy-duty trucks, trailers, buses, and industrial applications. Engineered to meet Type B standards, this tubing features an extra reinforcement layer, providing higher strength, increased pressure resistance, and enhanced durability compared to Type A tubing. Sold in a 100-foot roll, it is ideal for larger-scale applications or multiple installations