8 Different Flow RatesThe restrictor is equipped with a NPT throttle valve and 8 water flow restrictors of different sizes and colors; The water flow specifications are 4L / 5L / 6L / 7L / 8L / 10L / 12L / 15L. Reliable for Home ShowerThe shower restrictor is made of brass and POM material, it is more economical and safer, the working temperature can well meet the needs of home bathing. Easy to install and removeThe shower restrictor can control the water flow and is easy to use; it is suitable for water saving and control, easy to install and remove in daily life. Efficient and energy savingThe shower restrictor can make the most of limited water resources and reduce waste. With different specifications of the restrictor, the water saving rate can be between 20% and 80%, which can greatly reduce water consumption and save money! Wide range of applicationsThe shower flow restrictors are suitable for faucets and showers with 1/2 thread diameter, it is widely used for home and bathroom.