Harpic Flushmatic Toilet Cleaner 50g each now available in a twin pack. Harpic Flushmatic is an in the cistern solution providing continuous cleaning with every flush. Its blue action contains germicide that cleans and protects against germs. Distributing the liquid across the bowl, it helps you maintain a hygienic and deodorized toilet and prevents the build-up of stains giving you a continuous clean toilet. Lasts up to 1 month depending on usage. Harpic Flushmatic helps to clean with every flush.