Tramec Sloan Compression Union Tee, Series S764AB, connects three 1/4 in SAE J844 nylon air brake tubes in a T-configuration. Made in the USA from corrosion-resistant brass and machined to high-quality standards, this fitting offers secure, leak-resistant connections for in-cab air controls and air brake systems. Rated up to 150 psi with a wide operating temperature range of -40°F to 200°F.