LU Blue Cistern Block 8 Pieces offers a convenient solution for continuous toilet cleaning and freshness. These 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 multi-pack ensures a lasting supply for extended use. Maintain a sparkling clean and hygienic toilet with these essential and practical cistern blocks.