LU Blue Double Cistern Block 48g (2 Pack) offers a convenient solution for continuous toilet cleaning and freshness. These twin packs of blocks are designed to be placed in the toilet cistern, releasing a blue cleaning agent with every flush. They effectively clean and sanitize the toilet bowl, helping to prevent limescale buildup and maintain hygiene. The dual pack ensures an extended supply for continuous use. Maintain a sparkling clean and hygienic toilet with these essential and practical cistern blocks.