A Flared Union is used to join two pieces of fuel lines together. It is a two-piece fitting, with a female flare on one end and a male flare on the other end. The flared ends are compressed together to create a seal. Flared unions are installed by flaring the ends of the fuel line and then compressing the flared ends together.Attributes:• Ensures that the fuel is properly flowing through the system• Manufactured to precise specifications and is durable and reliableApplications:A Flared Union compressed against the male flare of the union to create a seal.