Prepare your semi truck to be Ready for the Road Ahead , with the Power Products 1/2" x 38" Air Brake Hose Assembly that offers enhanced brake control. To effectively cycle compressed air throughout brake systems, this replacement hose is crafted with a durable composition that resists damage from UV rays, high temperatures, pressures, and abrasions. Built with a corrosion-resistant and flexible rubber for quick installation and long-term dependability. FleetPride is your First Click in Heavy Duty .