The Power Products 3/4" Nylon Push-On Union Tee is the perfect solution for tight-fit applications under the dash. This union tee is designed to be easily pushed in to connect without needing any tools quickly. It offers 60% better flow than standard compression fittings with inserts. This union tee is approved for most air brake applications, except the frame-to-axle installation. This union tee is the perfect choice for any tight-fit application. FleetPride is your First Click in Heavy Duty®.