Scope of delivery: 10 pcs. faucet aerator. Outer diameter: 23.5mm, height: 11.5mm, thread size: M24. This faucet aerator is suitable for thread sizes: M20, M22, M24, M28. High Quality Material: Our faucet aerator is designed with chrome-plated brass body and ABS filter, so it is non-toxic, wear-resistant, rust-proof, durable and reliable. Features: This product produces very little noise and saves water. It provides enough air bubbles to avoid splashing and water erosion. The impurities are filtered in the best way. The water flow is big and evenly. Widely uses: It is suitable for the faucet in the kitchen sink or in the washing machine to switch the water flow between faucet and shower. Easy Installation: No tools are required for assembly. Its super easy, just use your hands and tighten the aerator directly or use the aerator wrench to tighten firmly. The assembly key supplied enables absolutely simple installation, even for non-professionals. Product Information High quality material : Our faucet mixer nozzle are made of high quality brass chrome plated body, non-toxic and very durable. The mixing nozzle key is made of high-quality ABS material. Save water : You can save more water with these faucet aerators. You achieve low water consumption and an even water flow. Filtration: The bubbler filters out sediment and impurities in the water. Easy installation: Its easy, just use your hands and tighten the aerator directly or use the faucet aerator wrench to tighten it firmly.