Update your semi truck with a rapid removal of excess water, oil, and air from a vehicle's air tanks, with the Bendix 3/8" NPT Cyclone DuraDrain™ Valve that ensures you're Ready for the Road Ahead™. This replacement valve works to dispel excess moisture from an air brake system before it can cause potential damage. Manufactured with a pressure and heat-resistant body to prevent accidental leaks. FleetPride is your First Click in Heavy Duty®.