[ 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 12L/min, also includes 1 piece adapter and 1 piece silicone seals. The different colours of the shower regulator help you adjust the water rate, so you can the right one . Long service life: this limiter housing is made of copper and the inserts are made of plastic, not easy to break or deform, safe and , rust-resistant, corrosion-resistant, wear-resistant, good insulation that you can use. Easy to install: no tools are required, simply remove the shower head from the shower head hose, install the matching shower water-saving insert and then screw the shower head back to be used immediately, easy and convenient, can be replaced at any time Save water and money: water limiter can fully utilise limited water resources and avoid unnecessary waste. By using different specifications of limiters, you can save water by 20%-80%, significantly reduce water consumption and save money [Wide Application] water saving insert is suitable for faucets and showers with 1/2 thread diameter and can be installed on both bathroom and shower faucets and kitchen taps. You can the specification to save water according to your needs. Material: plastic colour: As shown Package Contents: 1 x connector (23 x 22mm) 8 x water-saving 2 x washer Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.