Enhance Suspension Control with Tectran's Model HX Height Control Valves -Versatile Applications: Tectran's Model HX Height Control Valves are versatile and well-suited for non-dump applications in both tractor-trailers and Class A RV setups -Optimal Suspension: These valves are designed to efficiently manage the inflation and exhaust of air springs, ensuring your vehicle maintains its suspension ride height for a smooth and controlled ride Upgrade your vehicle's suspension control with Tectran's Model HX Height Control Valves, offering versatility and precision for various applications without unnecessary time delays.