The 5-layer filter is a faucet filter with a built-in 5-layer filtration system, offering 2 additional layers compared to similar filters on the market. This enhanced filtration helps reduce impurities, contributing to improved water quality. Compatible with kitchen and bathroom faucets.Water saving up to 30-40%. The faucet aerator efficiently mixes water with air to create a non-splashing, foam-like flow, increasing efficiency while reducing water usage. Faucets equipped with this aerator can save approximately 30-40% more water compared to those without one.Anti-splash, noise-reducing, and consistent flow. By mixing air with water, the flow becomes softer and minimizes impact, helping prevent splashing and maintaining a steady stream. This feature also contributes to reduced noise during use.Designed for both kitchen and bathroom faucets, the aerator includes a waterproof sealing ring to help prevent lateral water leakage. The set includes 2 installation wrenches, allowing for easy and secure installation with minimal effort.Package includes: 6 faucet aerators and 2 installation wrenches.