Duck fresh discs will freshen your loo for up to 8 weeks with a 5 in 1 action each pack comes with a hygienic applicator and 6 marine gel discs that clean with every flush the 5 in 1 action prevents limescale that harbours germs continuously fragrances gives a hygienic application cleans with each flush and lasts up to 8 weekswarningharmful to aquatic life with long lasting effects keep out of reach of children always read label before use