KIISIISO Toilet Bowl Cleaners 40 PACK, LongLasting Toilet Bowl Cleaner Tablet…
LONG-LASTING: KIISIISO Automatic Toilet Bowl Cleaner is upgraded with sustained release technology. A box of 40 tablets will keep the toilet bowl clean and fresh for up to 20 months. In addition, the lifespan of the cleaner in the toilet bowl varies depending on the number of flushes.