The Dual Dynamics 115 psi Tire Pressure Equalization System is the perfect solution for maintaining optimal tire pressure. This system helps reduce rolling resistance for increased fuel mileage, reduces maintenance time due to single-point inflation and the visual pressure gauge, improves stability braking and overall safety and maximizes tire life. Installation is quick and easy and requires little maintenance. With this system, you can be sure that your tires are always at the optimal pressure for maximum performance and safety. FleetPride is your First Click in Heavy Duty®.