Fangrui Product Details Save Water Resources: Water Saving Valve Can Reduce Water Flow, It Can Keep The Effect Of Water Diffusion Unchanged, Less Splashes, Save Water Resources, It Can Save Water By -, So You Save Money. 3 Different Sizes: Blue Insert Reduces Water Flow To 4 L/min; Green Insert Reduces Water Flow To 7 L/min; Yellow Insert Reduces Water Flow To 9 L/min. Premium Material: Shower Flow Limiter Uses Pom Material, High Hardness, Resistance, Wear Resistance, Good Insulation, And Functional. The Package Contains 2 Adapters, 2 Silicone Seals, 6 Water-saving Valves, The Colours Of The Water-saving Valve Are Blue, Green And Yellow. Easy To Install: No Tools Needed, Just Remove The Shower Head From The Shower Head Hose, Install The Appropriate Flow Limiter And Then Screw The Shower Head Back To Get Started Immediately, Easy And Convenient, Can Be Replaced At Any Time! Save Water And Money: Water Flow Limiter Can Make Full Use Of Limited Water Resources And Avoid Unnecessary Waste. By Using Different Specifications O