Harpic Fresh Power Cleaning tablets reach down below the waterline and into the u-bend of your toilet where the brush can’t reach.  Without any need for scrubbing, these tabs help remove stubborn stains and 99.9% of bacteria. Add deep clean tabs to your cleaning routine for a complete clean & care system.   E. coli, S. aureus. For 99.9% bacteria removal below the waterline, use 3 tablets and leave for 1 hour and 15 minutes. Country of Origin: Made in France.