Save water resources: The water-saving valve reduces water flow while maintaining effective water diffusion, minimizing splashes and conserving water. It can save 30%–80% on water usage, helping reduce costs. Three different sizes: Blue insert reduces flow to 4 L/min; green insert reduces flow to 7 L/min; yellow insert reduces flow to 9 L/min. Premium material: The shower flow limiter is made of POM material, offering high hardness, durability, wear resistance, and good insulation properties. Package includes: 2 adapters, 2 silicone seals, and 6 water-saving valves in blue, green, and yellow. Easy to install: No tools required. Simply remove the shower head from the hose, install the appropriate flow limiter, then reattach the shower head for immediate use. Simple, convenient, and replaceable at any time. Water and cost efficiency: The flow limiter optimizes limited water resources and prevents unnecessary waste. Using various specifications, it can reduce water consumption by 20%–80%, significantly lowering water usage and expenses. Material: Plastic Color: As shown Package Contents: 2 x Flow Fittings (23 x 22mm) 6 x Water Saving Tablets 2 x Washers Content limited to items listed above; other products not included. Note: Lighting reflections and display differences may cause slight color variations between the image and actual item. Measurement error allowance: ±1–3 cm.