Harpic is Indias No.1 Toilet Cleaning Brand which is highly recommended by the Indian Medical Association. Harpic guarantees to kill 99.99% of disease causing bacteria as well as germs and viruses while leaving your toilets and bathrooms smelling fragrant with a wide variety of mesmerising aromas. These cistern blocks are easy to use and can be easily placed in your flush tanks in order to maintain hygiene of your toilet with every flush.