Material: The shower throttle is made of POM material, and the exterior is specially chrome-plated, which has a good anti-rust effect. Super water-saving function: The shower restrictor can reduce the amount of tap water by 30 percent -80 percent , and only needs to be tightened more or less to limit the flow of tap water, thereby saving water. money. This water-saving faucet has an anti-clogging function to ensure a long service life and easy cleaning. Removable water saver: Easily install and remove this water saver mouthpiece in a few seconds. No tools are required, and it can be easily installed by tightening or loosening. Wide range of uses: The shower hose throttle set can be installed in the bathtub faucet or shower faucet, and the bathroom water saver is suitable for the shower, toilet, and kitchen of the hotel. Product Advantages:The shower restrictor assembly can save up to 70 4 liters or minute of water. Water flow restrictor for shower hose. Special coating for installation in bathtub or shower faucet. Save up to 150 pounds in water bills per year. The package includes 3 different process plug-ins to meet your needs:The green plug-in reduces the water flow to 4 liters or min. The blue insert reduces the water flow to 6L or min. The yellow plug can reduce the water flow by 9 liters per minute. Specification:Material: Chrome-plated brass Thread size: 1 or 2 inch Suitable for 95 shower faucet25 Package includes:1X Copper 1 X Washer 1 X Green Water Saving Tablets 1 X Blue Water Saving Tablets 1 yellow water-saving tablet