The convenient way to clean & deodorize for up to 3 months! Kills 99.9% of germs in toilet bowel water after each flush! Sanitizes toilet bowel water after each flush cleans and deodorizes! When used as directed, this product will sanitize toilet bowel water, keeping it clean, clear and free of odor. Sanitizing formula kills 99.9% of germs in toilet water after each flush. Cleans and deodorizes.