High-quality materials: The water-saving valve is made of high-quality copper and high-quality reusable plastic materials, with high hardness, corrosion resistance, wear resistance, good insulation, strong, durable and practical. Save water: Install a shower restrictor to reduce water flow. The effect of diffusing water remains unchanged, reducing splashing water and conserving water resources, which can save 30-80% water. Various sizes: Green reduces water flow to 7L/min, blue reduces water flow to 5L/min, yellow reduces water flow to 6L/min, purple reduces water flow to 4L/min, orange reduces water flow to 8L/min, white reduces water flow to 9L/min, gray reduces water flow to 10L/min. Wide application: Suitable for faucets and shower heads with 1/2 Thread diameter, suitable for general shower accessories, kitchen accessories, bathroom fittings, faucet accessories, etc. Simply screw on or off for easy installation. Package Content: You will get 2 adapters, 2 rubber washers and 14