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. The package also includes 1 adapter and 1 silicone seal. The different colors of the shower flow regulator help you identify and select the appropriate flow rate for your needs. Long service life: This limiter housing is made of high-quality copper, and the inserts are made of durable plastic. It is resistant to breakage, deformation, rust, corrosion, and wear. The material provides good insulation and ensures safe, long-term use. Easy to install: No tools are required. Simply remove the shower head from the hose, install the matching water-saving insert, and then screw the shower head back on. Installation is quick, convenient, and allows for easy replacement at any time. Save water and money: The water flow limiter helps make the most of water resources by reducing unnecessary waste. By selecting different flow rate inserts, you can reduce water usage by up to 20%–80%, significantly lowering water consumption and saving on utility bills. Wide application: This water-saving insert fits faucets and showers with a 1/2-inch thread diameter. It can be installed on bathroom faucets, shower heads, and kitchen taps. Choose the appropriate specification based on your water-saving requirements. Material: Plastic Color: As shown Package Contents: 1 x connector (23 x 22mm) 8 x water-saving inserts 2 x washers Only the above package content is included; other items are not included. Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1–3 cm.