Kit contains the following aluminum anodes (for use in salt or fresh water):
Trim Tab Flat anode 00049A
2 Side Pocket anodes 00051A
Manifold anode 00093A
4 Trim Cylinder anodes 0094
screws and hardware
These premium quality
Navalloy Anodes are specially made to be effective in all types of water: salt, brackish and fresh. Read about these anodes here
Zinc anodes are not recommended for this application.