Did you know that traditional toilet cleaner cages can harbour germs? Duck Fresh Discs have a gel-based formula that self-sticks to the toilet bowl so germy cages aren't something to fret about. Duck Fresh Discs prevent the build up of limescale and stains that harbour germs. Just stick it to the inside rim of the toilet bowl to keep things clean. Pretty easy, huh? Starter kit contains handle and 6 gel discs. Also available in 12-count refills and in other fragrances: Lavender, Citrus and Marine. Starter Kit (dispenser included) Contains 1x Gel holder refills (6 Gel Discs) 4in1 - Fights stains that harbour germs, continuously cleans, fragrances with every flush, lasts up to 7 weeks 1 dispenser lasts up to 7 weeks.