Discharge Head, Compatible with Brand Flint and Walling, Compatible with Grainger Part Number 22W709, 22W710, 22W711, 22W712, 22W713, 22W714, 22W715, 22W716, 22W717, 22W718, 22W719, 22W720, 22W721, 22W722, 22W723, 22W724, Compatible Manufacturer Model Number PB0508A031, PB0512A051, PB0516A071, PB0516A073, PB0712A071, PB0712A073, PB1014A101, PB1014A103, PB1016A151, PB1016A153, PB2711A201, PB2711A203