- Helps fight toilet ring, hard water, and lime scale stains.
- Safe for toilet components.
- Just drop it in the tank and enjoy the cleaning and freshening benefits for up to four weeks.
- Each Duo Cube cleans up to 4 weeks.
- This package contains 4 Duo-Cubes in Soft Scrub's Sapphire Waters scent for a total of 16 weeks of cleaning.
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