The COMPOSITE STRAIGHT UNION, 1/4" TUBE, AIR BRAKE is designed for use with SAE J844 nylon tubing, providing a dependable connection in air brake systems. This DOT-approved fitting ensures compliance with safety standards and is marked accordingly for easy identification. Constructed from high-quality composite materials, it offers durability and resistance to corrosion, making it ideal for various industrial applications. Its quick disconnect feature facilitates efficient maintenance and service, streamlining operations in automotive and industrial settings.