Keep your loo smelling fresh with every flush with ducks pack of 3 fresh strips each easy to apply strip will continuously fragrance your toilet with a refreshing lime scent their 5 in 1 action prevents limescale that harbours germs continuously fragrances cleans and foams leaves a long lasting shiny bowl and lasts up to 4 weeks simply position the strip below the bowl rim where the water comes out when flushed replace the strip when fully dissolved or brush away remains during regular c