[Flow limiter]: You will receive 8 different sizes of water-saving insert: 4L/min, 5L/min, 6L/min, 7L/min, 8L/min, 9L/min, 10L/min, and 12L/min. Also includes 1 adapter and 1 silicone seal. The different colors of the shower flow regulator help you adjust the water flow rate, allowing you to choose the right one. Long service life: This flow limiter housing is made of high-quality copper and the flow inserts are made of plastic, not easy to break or deform, rust-resistant, corrosion-resistant, wear-resistant, and provides good insulation for reliable use. Easy to install: No tools are required. Simply remove the shower head from the hose, install the matching water-saving insert, and screw the shower head back on to use immediately. Easy, convenient, and can be replaced at any time. Save water and money: The water flow limiter helps make full use of limited water resources and avoids unnecessary waste. By using different flow specifications, you can reduce water usage by 20%-80%, significantly lowering water consumption and saving money. Wide application: This water-saving insert fits faucets and showers with a 1/2 inch thread diameter and can be installed on bathroom faucets, shower heads, and kitchen taps. Choose the desired specification to meet your water-saving needs. Material: Plastic Color: As shown Package Contents: 1 x Flow connector (23 x 22mm) 8 x Water-saving inserts 2 x Washers Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement allowance is +/- 1-3cm.