One Button 2 Water Modes - By pressing a button, sink nozzle sprayer attachment can convert soft bubble stream to strong spray.NO Splash - Kitchen faucet nozzle produces a champagne effect flow that negates any splash back in the basin at the same time increasing wetting ability and performance.Simple Installation - Faucet nozzle can be directly installed by hand without tools,done in seconds.Including the different sizes of gaskets,so you can directly install it after you receive the package.Steps Installation please review the Details Page.Fits 99% Taps - Sink aerator fits all standard taps with M22 external thread and internal thread M24 - gasket included Features: Save energy: Water saving 30%~70% (compared with standard bubbler) Increase the water pressure: Prevent water flowed, and the air is mixed with water is good,the water feels soft,enhanced water momentum,cleaning more convenient.