Domestos Pro Formula Urinal Blocks 3kgDomestos Professional Urinal Channel Blocks 3kg 7517960These Domestos Professional Channel Blocks leave behind a powerful fresh fragrance that counteracts malodours and leaves urinals hygienically clean. These channel blocks are non-hazardous to the environment and are suitable for frequently used washrooms. This economy 3kg pack contains approximately 600 blocks for long lasting use. Domestos Pro-Formula Urinal Blocks 3kg Note: Image is for illustrative purposes only and may differ from the actual product.