[15] Keep your toilet smelling fresh and clean with this pack of 3 Prism Toilet Bowl Fresheners. Each block is specially formulated to remove limescale and stains, while leaving a pleasant ocean scent in the air. With the ability to freshen up to 1000 flushes, you can be sure that your toilet will always smell great. These stain removers are perfect for use in any toilet, and come in a convenient block form that is easy to use. The pack contains three blocks, so you can be sure to have enough to last for a long time. Keep your toilet clean and smelling great with Prism Toilet Bowl Freshener.