Product Details: The Haldex Hand Operated Valve is a safe and reliable way to control fifth wheel operation applications. This panel mount flipper style valve is made of durable engineering grade composite and features a locking handle for added security. The valve is easy to operate and provides a reliable seal for a variety of applications. It is designed to be used in a variety of environments and is suitable for both indoor and outdoor use. The valve is also corrosion resistant and can withstand extreme temperatures. FleetPride is your First Click in Heavy Duty®.