Harpic Flushmatic In-Cistern Toilet Cleaner Block (Marine) is an automatic toilet cleaning block specially designed to keep toilet bowls clean, fresh, and hygienic with every flush. Manufactured by Harpic India, it releases cleaning agents into the water tank to help prevent stains, reduce odors, and maintain toilet freshness continuously. Infused with a refreshing Marine fragrance, it leaves toilets smelling clean and fresh after every flush.