5-layer filtration This faucet filter features a built-in 5-layer filtration system, offering 2 additional layers compared to similar products on the market. This advanced filtration helps remove impurities and supports clean, safe water. Suitable for use with kitchen and bathroom faucets. Water saving of up to 30-40% The faucet aerator efficiently mixes water and air to create a non-splashing, foaming flow, improving pressure while reducing water usage. Faucets equipped with this aerator can save approximately 30-40% more water compared to those without one. Splash-proof, noise-reducing, and consistent flow Air-infused water flow reduces impact force, minimizing splashing and delivering a smooth, steady stream. This feature also contributes to noise reduction during use, providing a quieter and more comfortable experience. Reliable sealing and easy installation The faucet nozzle includes an external sealing ring to prevent side leakage. The package includes 2 installation wrenches for quick and secure fitting. Simply use the wrench to tighten the filter onto the faucet—installation is straightforward and tool-free setup is possible. Package contents 6 faucet aerators 2 installation wrenches For optimal performance and water hygiene, it is recommended to replace the aerator every 3 to 6 months depending on local water conditions.