Flash professional toilet cleaner is a powerful disinfectant in a specially shaped bottle to make it easy to clean under the rim not only will the thick gel clean and disinfect your toilet bowl it will work a treat on limescale too your loo will be left sparkling and smelling fresh as a daisy strong safe and reliable this is a real must have for your cleaning cupboard both at work and at home thick powerful gel that cleans and disinfects your toilet bowl specially designed bottle for a