Save your water: Use these faucet aerators to keep the faucet running longer while reducing water usage by up to 40 percent, improving water flow and helping it feel softer to the touch by introducing small bubbles in the water. Easy to install: Our water saving kitchen faucet aerators are easy to install and remove, the faucet aerator set includes a wrench to secure the aerator and gaskets to prevent water leaks. The key can also be used to fix the aerator in 28mm/22mm/20mm. Quality Material: Our faucet water saver is designed with a brass shell and a brass interior. ABS plastic, durable in use, the fine mesh has a good filtering effect, which can maintain a constant and stable water flow without splashing water. Widely used: Suitable for installing and replacing kitchen sink faucet or bathroom sink faucet, which is water saving and water filtering. Tips : Do not overtighten the aerator or you may strip the faucet or aerator threads.