Royal Flush Cistern Blocks are specially formulated toilet freshening and cleaning blocks with slow-release fragrance and scale inhibitors to prevent limescale.
Each block cleans and deodorises with each flush of the toilet, helping to prevent odours and blocked drains and waste pipe.
Commercial formulation
Cleans, deodorises and freshens the toilet bowl with each flush
Helps to prevent limescale
Lightly fragranced for optimum benefit