Package Contents You will receive 10 pieces M18.5 Faucet Aerator and 2 pieces Aerator Wrench, enough quantity for daily use. Due to the different water quality in the environment, it is recommended to directly replace the aerator every 3 to 6 months for your water hygiene and safety. Premium Material Our aerator nozzle is made of high quality plastic, which is sturdy and durable, excellent workmanship, corrosion resistant, no clogging, no rust, and no peculiar smell. These Faucet Aerators are suitable for most M18.5 faucets. Water Saving Our Faucet Aerator very low noise and save water. This M18.5 Faucet Aerator completely eliminates water and air to create a foaming effect, which prevents splashing, the water flow is large and even. Simple Installation Our Kitchen Faucet Aerators are easy to install and remove without any additional tools. Use the faucet aerator wrench to screw the aerator directly onto the faucet. You can easily remove the filter head from the faucet for cleaning at any time. Wide Application Suitable for households, hotels, public facilities and other places, perfectly contribute to the water faucet or basin for a kitchen sink for water saving and water filtering. Ideal for repairing low-flow faucets or faulty aerators without having to replace the faucet.