1. [Standard size] Universal faucet filter cache aerator for men's and women's bathrooms and kitchen sinks. Please check your aerator size before purchasing.2. [Material] The shell of the sink aerator is made of all-metal chrome-plated solid brass. The Cache aerator kit is made of robust ABS and stainless steel materials that are more practical and corrosion resistant than plastic, ensuring reliability and practicality. Quick and easy replacement.3. [Function] The replacement of the kitchen faucet aerator can make the water flow fully contact with the air, forming the foaming effect, thereby reducing the water consumption. When the water mixes with the air, it softens and reduces the impact.4. It can prevent water from splashing everywhere and can also play a good noise reduction effect. Water Saving faucet nozzle aerators provide high water efficiency.5. [Easy installation] A replacement bathroom faucet aerator does not require much time and effort to install, which makes it suitable for most types of faucets; Easy installation and replacement, simple screw-in installation.