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Dissolves limescale, mineral deposits, and odor-causing residues from dishwasher tub and spray system. Use monthly to maintain peak cleaning performance.
Replaces broken, cracked, or melted dishwasher spray arm. Rotates to distribute water during wash cycles. Snaps onto base assembly for quick installation.
Note: If this is the first time you are replacing the lower spray arm, you will also need to replace the wash arm support, part # W11573369.