Features:* brand new and high quality *Made of high quality material, durable and practical to use *Tap aerators restrict the flow of water from the taps without reducing the water pressure or affecting the washing and rinsing effects. *Simply built with the great result of the water saving function. *It splits the water flow into many smaller ones, aerates and filters it at the same time. *In practice you will still see the same water flow, but it appears to be softer, saves water and acts as a splash guard. *Prevent splashing, shape the water jet emerging from the spout *Saves water and reduces energy costs. * Reduces knocking noises. *Suitable for taps with a removable nozzle. Specifications: *Housing material: brass *Filter material: 304 stainless steel *Outside diameter: 23.6mm(Approx.) *Height: 12mm(Approx.) *Male thread: M24 *Suitable for faucet: faucet with an internal thread of 24mm *Mixing nozzle key for large faucets: M20 / M22 / M24 / M28 *Dimension of mixing nozzle wrench: 10.7cm * 4.7cm.(Approx.) *Mixing nozzle wrench color: blue Package Contents: 5 * Faucet Aerators 1 * Mixing nozzle wrench Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.