3/8 Type B Air Brake Tubing 100' WhiteThe 3 8 Type B Reinforced Air Brake Tubing 100' White is a heavy duty, DOT approved air brake hose designed for commercial vehicles, trailers, and pneumatic systems. Made from reinforced nylon, this tubing provides superior strength, flexibility, and resistance to pressure, chemicals, and extreme temperatures. With a 0. 062 in thick wall, it meets SAE J844 Type B and DOT FMVSS 106 standards, ensuring reliable, long lasting performance in high pressure