The Harpic Foaming Block makes it easy to maintain a fresh, clean toilet. It sits in the cistern and automatically releases a measured dosage of detergent with every flush to prevent the build-up of stains.
Each block has a convenient 114 g size which ensures that it fits inside your cistern.
It works automatically with each flush, making maintaining a clean toilet effortless.
Its foaming composition distributes evenly across the bowl.
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