Quality Material: The shower restrictor shell is made of high-quality copper, and the flow insert is made of plastic, which has a good anti-rust effect. 3 Different Flow Inserts: The kit contains 3 different flow inserts to meet your needs. 1. The green plug-in reduces the water flow to 7 l/min; 2. The blue plug-in reduces the water flow to 4 l/min; 3. The yellow plug-in reduces the water flow to 9 l/min. Super Water Saving Function: Just like a faucet insert in a basin mixer will cause a reduction in the liquid flow, while allowing users to enjoy a constant and efficient water diffusion effect. The high performance of the restrictor can reduce water consumption. Easy to Install and Remove: Easily install and remove this water saver tip in seconds. No tools required, just screw it on for easy installation. Wide Range of Uses: A set of water flow restrictor for shower hose can be installed in the bathtub faucet or shower faucet, the bathroom water saver is suitable for shower, toilet, kitchen, hotel. Product Description: Inside the package is a case for a shower restrictor and three inserts with different flow rates. -This water saving faucet tip has an anti-fouling function to ensure a long service life and easy cleaning. Suitable for 95% shower faucets. Set of water flow restrictors for shower hose. Special coating, mounted in the bathtub mixer or shower mixer. Specification: Material: Copper, Plastic Color: Yellow, Blue, Green, Silver Size: As Picture Shown Quantity: 4 Pcs Package Includes: 1 x Shower Restrictor Box 1 x Flow Insert Notes: 1.Due to the light and screen setting difference, the item's color may be slightly different from the pictures. 2.Please allow slight dimension difference due to different manual measurement.