This toilet cleaner utilizes advanced cleaning methods to effectively eliminate urine scale from the toilet bowl. Its active ingredient cleaning technology is gentle on the tank, drain pipe, and bottom wax seal. Each tablet can last for approximately 15 days, leaving your toilet sparkling clean. Simply drop a tablet into the tank and it will clean the bowl with every flush. The natural and scent-free formula is safe for all, making it perfect for those who are allergic to fragrances. It efficiently kills bacteria and germs in both the toilet and sewer pipe, preventing the spread of infection.