The Revolution shower’s decalcifying technology ensures the shower delivers a continuous pressure spray that will never weaken due to the build-up of limescale. Easily install and adjust the height and spray settings to suit your showering needs. As you adjust between the five spray functions the internal mechanism activates to dislodge any build-up of limescale or calcium. Perfect for areas with hard water, this model suits all types of hot water systems so you can enjoy maximum spray pressure always.