Made with high quality chrome plated brass housing and stainless steel filter, hard wearing and has excellent anti-rust antifouling properties. Dimensions: 22mm inner diameter, outer diameter 24 mm.Package includes: 6 pieces male faucet type filter and 6 pieces rubber pads. Easy to install and use, it has good load bearing capacity and shock resistance. Filters, aerates and saves energy. water at the same time. Energy efficient,reduce your water consumption easier than ever,which also reduces limescale deposits due to its particular geometry. Largely used: For kitchen sink or lavatory faucets, change the water flow between faucet and sprayer.