• Flow limiter for shower hose made of high-hardness metal, 20 mm threaded connector, 23.8 mm outer diameter, 18.5 mm inner diameter, and 21 mm height. • Resistant to corrosion, wear, and with good insulation, robustness, and durability. • Allows considerable annual savings in water consumption, maintaining the water diffusion effect and reducing splashing. • Includes 1 shower hose limiter and 7 water-saving valves, with different flow inserts: 4, 6, 7, 8, 10, and 12 liters per minute. • Easy to install on the bathtub or shower faucet, suitable for most shower faucets (approximately 95%). • Suitable for all common kitchen and bathroom accessories, faucet nozzle regulators, water-saving faucets, and water-saving plugs. • Robust and durable material, with a long service life.