Product Details: The SMC Corporation of America Male Elbow Fitting is the perfect choice for air brake applications. It is marked and D.O.T approved and offers superior flow compared to conventional compression fittings with inserts. It is designed to break off and synch quickly, making it the best choice for applications that must fit tightly beneath the dash. This fitting is intended for use with air brake tubing and is approved for most air brake applications, with the exception of installation from frame to axle and between towed and towing vehicles.<br/><br/>FleetPride is your First Click in Heavy Duty®.