Anode for all Travel and Cruise 2.0/3.0/4.0/6.0 models with fixed pitch propeller for use in fresh and salt water; For Cruise FP with fixed pitch propeller the pylon anode is additionally required - included in 1941-00; Not required for Cruise 2.0 / 4.0 FP with folding propeller (instead only 1962-00 or 1941-00).