Save water resources: water saving valve can reduce water , it can keep the effect of water diffusion unchanged, less splashes, save water resources, it can save water by 30%-80%, so you save money. 3 different sizes: blue insert reduces water to 4 L/min; green insert reduces water to 7 L/min; yellow insert reduces water to 9 L/min. Premium material: shower limiter uses material, high hardness, corrosion resistance, wear resistance, good insulation, durable and functional. The package contains 2 adapters, 2 silicone seals, 6 water-saving valves, the colours of the water-saving valve are blue, green and yellow. Easy to install: no tools needed, just remove the shower head from the shower head hose, install the appropriate limiter and then screw the shower head back to started immediately, easy and convenient, can be replaced at any time Save water and money: water limiter can make full use of 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 Material: plastic colour: As shown Package Contents: 2 x Fittings (23 x 22mm) 6 x water saving tablets 2 x washers 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.