Flow regulators are real water savers. Retrofitting them in existing products, you can reduce the water consumption of your shower by up to 40% , for example – and saving on hot water also means saving on energy heating it. With flow regulators for retrofitting, you can quickly and easily make your existing shower water and energy saving and answer to green certification like Leed and Lotus. The advanced water saving technology Dual Core guarantees a comfortable stream at very low pressure.