Comp Number Flutes Shank Diameter Surface Thickness Replacement Bearing Replacement Bearing for Fountainhead Bowl or Sink 30-275 2 1/2″ 1/2″ or 3/4″ 12-510 (10?) 12-485 (5?) 30-285 2 1/2″ 1″ 12-510 (10?) 12-485 (5?) 30-295 2 1/2″ 1-1/4″ 12-510 (10?) 12-485 (5?) 30-297 2 1/2″ 1-1/2″ 12-510 (10?) 12-485 (5?)








