White King In Cistern Marble Citrus Bleach Blocks provide a powerful clean for your toilet. Every time you flush, a quantity of cleaning agents plus bleach is released, removing germs in the water, in the cistern, under the rim, around the bowl and into the ‘S’ bend, leaving your toilet fresh and hygienically “White King” clean. No mess, no fuss, dissolvable wrapper keeps hands clean.
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