Hygienically cleans the toilet with every flush, leaving a pleasant fragrance Up to 700 flushes with each refill Fights germs that cause stains With PATO quality guarantee Pato active discs, clean your toilet without a hanger or its germs Place it in the bowl. Cleanliness and freshness with every flush Prevents the build-up of limescale and stains that can harbor germs Keeps your toilet clean and fresh for up to 6 weeks