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 regulator help you identify and adjust the water flow rate to suit your needs. Long service life: The limiter housing is made of high-quality copper, and the inserts are made of durable plastic, which is not easily broken or deformed. It is rust-resistant, corrosion-resistant, wear-resistant, and provides good insulation for safe and reliable use. Easy to install: No tools required. Simply remove the shower head from the hose, install the matching water-saving insert, and screw the shower head back on. It is ready to use immediately and can be replaced at any time. Save water and money: The water limiter helps make efficient use of water resources and reduces unnecessary waste. By selecting different flow rate inserts, you can reduce water consumption by up to 20%–80%, significantly lowering water usage and saving money over time. Wide application: The water-saving insert is suitable for 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 needs. Material: Plastic Color: As shown Package Contents: 1 x connector (23 x 22mm) 8 x water-saving inserts 2 x washers 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.