Robust plastic construction – The aerator set is made of durable ABS for maximum strength and reliability. The included key is sturdy and difficult to bend, ensuring a firm grip. Quick and easy replacement. The faucet aerator perfectly mixes water and air, creating a foam that improves cleaning and reduces water consumption. Faucets equipped with aerators can save up to 20% water compared to faucets without aerators. No more splashing – Each aerator has a fine mesh screen that reduces the impact of water and prevents splashing by creating many bubbles. The aerator directs the water jet towards the outlet. You get 6 replacement aerators M18.5 for kitchen and bathroom, as well as 2 wrenches. Depending on the water quality in your area, and for optimal hygiene and safety, it is recommended to replace the aerator every 3 to 6 months to ensure safe drinking water. A wide range of applications: The limiting insert aerator can be installed in the water outlet of kitchen faucets, bathroom faucets, and toilet faucets, and is suitable for families, hotels, public places, and other places.