The Power Products 3/8" x 1/2" Nylon Push-On Male Swivel Elbow is the perfect solution for tight fit applications under the dash. It is ideal for air brake applications with the exception of frame to axle installation and between towed and towing vehicles. The full flow design provides 60% better flow than standard compression fittings with inserts. Installation is quick and easy, simply push in with no tools needed. FleetPride is your First Click in Heavy Duty®.