Water Flow Limiter: Shower flow restrictor set - Up to 70% water saving 4 L / min Shower hose water flow restrictor set. Special coating, mounted in bathtub mixer or shower mixer. Saves up to 150GBP annually in water consumption The set contains 3 different flow inserts to suit your needs: flow rate of 4, 6 and 9 L / min Suitable for 95% shower faucets. Thread: 1/2 inch Product Description Color:A-4/6 / 9l Product Description Water flow limiter set for shower hose. Special coating, mounted in the bathtub mixer or shower mixer. Just like the faucet insert in the basin mixers causes a decrease in the flow of liquid and simultaneously allows the user to enjoy the unchanged and effective water diffusion cascade. The high performance of the restrictor saves up to $150 in water consumption annually. The set contains different flow inserts to suit your needs: - Green insert reduces water flow to 4 L / min; - Blue insert reduces water flow to 6 L / min; - Yellow insert reduces water flow to 9