Ensure your semi is Ready for the Road Ahead with an efficient connection between various hose sizes / types, with the Power Products 3/8" x 1/4" BP120 Brass Adapter. Thanks to its sophisticated design, this replacement adapter allows for a seamless connection between two pipes or hoses that have different ends. Fashioned with premium materials to endure extreme compression levels and temperatures. FleetPride is your First Click in Heavy Duty .