Get rid of germs in your Western or Indian commode with Presto! Hygienic Flush Tabs. Made from a germicidal formulation, these tabs disinfect and clean the toilet with every flush. These flush tabs not only get rid of stains but also leave behind a pleasant and refreshing fragrance. Simply, drop-in the flush tab in the flush tank of your western style or Indian style toilet and get a clean toilet after every flush. Each tablet lasts up to 30 days.* * If used for 33 cycles a day under standard testing conditions.