Scope of delivery: 4 x 20mm size stainless steel filter taps, 4 x rubber sealing rings. Aerators make water flow quieter, smoother and less splashing to help you save water. Exquisite Material: The aerator replacement parts are made from of high quality metal materials and gaskets, designed with good surface finish and no welding trace. They are durable, wear-resistant, rust-proof and easy to use. Easy to install: The kitchen faucet aerators are very convenient to use and can be installed directly on the faucet with wet hands or a key if necessary. You can easily remove the filter head from the faucet to clean it at any time. Easy to use: Perfect aerated jet quality even with difficult flow conditions, very low noise level. The faucet aerator can be installed on the kitchen faucet or bathroom faucet, which is very easy to use. Wide Application: The kitchen faucet aerator adapter can help you easily clean vegetables and fruits, making kitchen work easy and convenient. Suitable for kitchen faucet or sink faucet, helping to save water and filter water.