Domestos Power 5 Lime Toilet Rim Blocks are loaded with not 1, but 5 key benefits for a powerful clean, leaving you with an extra fresh toilet. Flush after flush, this block releases a rich foam that removes dirt and leaves toilet bowls hygienically shiny, with a long-lasting citrus fragrance in your bathroom. Maintaining the freshness and cleanliness of your toilet has never been as easy and efficient as it is with Domestos' full power that lasts for up to 300 flushes.