Aerator replacement for sink faucet flow restrictor, kitchen cache aerators bathroom sink aerator, faucet aerator is compatible with Neoperl, Moen, Kohler, American Standard, Danze, and Groche Cache aerators. The package includes 8 pcs of male 16.5mm, 18.5mm, 21.5mm, and 24mm faucet filter cache aerators(one of each size)to accommodate various faucet diameters. The cache aerator's faucet aerator flow restrictors control water flow, they can effectively reduce waste and protect the environment. Faucet aerator key removal wrench tool with 4 sizes M16.5, 18.5, 21.5, 24 recessed aerator key sink aerator wrenches for cache aerators, the installation and removal can be completed within 1 minute. These cache aerator faucet aerator key removal wrench tools allow for easy replacement of inserts, making aerator maintenance easier. These cache aerator faucet aerators are a practical, environmentally friendly faucet accessory that can help users reduce water bills, protect the environment, and keep water quality clean and sanitary. They are ideal for a variety of faucets in homes, hotels, public places, etc. The cache aerator faucet aerators are made of high quality ABS and are durable, corrosion and rust resistant. They can effectively control water flow, reduce waste and lower water bills.