The Power Products 3/8" Nylon Air Brake Union Tee is the perfect solution for quick and easy air brake connections. This union tee is designed to be pushed in to quickly connect, eliminating the need for tools. It offers 60% better flow than standard compression fittings with inserts, making it ideal for tight-fit applications under the dash, behind instrument panels and in other hard-to-reach places. It is approved for most air brake applications with the exception of frame-to-axle installation. FleetPride is your First Click in Heavy Duty®.