Toilet Descaler

No More Scrubbing!Chemical Free Toilet Bowl Descaler Lasts 5 Years. Don’t waste money on harsh chemical cleaners or spend
your time scrubbing. With every flush (up to 50,000), this remarkable cartridge helps loosen and prevent limescale build-up, thus reducing fungus, mildew, bacteria and stains. Hidden in the flow-through cartridge are advanced hydro-mineral magnets and Bact-O-Bane antibacterial fibre. They work without adding anything to the water, or removing anything from it. Measures 4" x 1½” x ½”. Use two in very hard water.