The Veljan Hydrair 5" Pilot 4-Bolt Flange Single Vane Pump is the perfect choice for any application requiring a reliable and efficient pump. Its single vane design ensures high efficiency and low noise, while its pilot operated system ensures smooth operation and long life. It makes installation and removal easy and the improved safety due to its smooth operation and low noise makes it an ideal choice for any application. With its reliable performance and long life, it is the perfect choice for any application. FleetPride is your First Click in Heavy Duty®.