Clorox® Automatic Toilet Bowl Cleaner cleans and deodorizes with the power of bleach and kills 99.9% of household bacteria in the toilet bowl water, flush after flush. Each tablet sanitizes the toilet bowl water in 5 minutes for up to 2 months, cleans and deodorizes for up to 3 months and helps prevent mineral and hard water stains. These easy to use tablets keep your toilet smelling fresh and sparkling clean with every flush, day and night. To sanitize, clean and deodorize, simply drop a tablet in the toilet tank and let it do its work. Effective for 10 flushes per day., Flush with Clorox® Automatic Toilet Bowl Cleaner, for a cleaner, fresher toilet.