This is the main paint suction hose for the Graco Magnum X7 airless paint sprayer. This has a barbed fitting end that pushes into the inlet valve, and threads on the other end where the inlet strainer connects to.
Alternate Part Numbers: 15T122
Part #: 244035
Part #: 115489
Part #: 195108
Part #: 288716
Part #: 116295
Part #: 195400