"COMPATIBLE WITH A VARIETY OF FAUCETS: This product can be installed directly on American standard 55/64"" and 22mm diameter male thread faucets, and also fits 15/16" female thread faucets " in diameter and 23.5-24mm.PREMIUM MATERIAL: Made of high quality copper and stainless steel, not easy to rust and durable. The chrome surface is well polished and electroplated, and it is shiny after one use long term.Can be used for sink faucets in bathrooms and kitchens.Easy to install:Direct manual installation in seconds without tools.NOTE:Use tape before installation to avoid leaking and save time!WIDE-ANGLE ROTATION: The latest rotating faucet robotic arm aerator can be rotated 1440 and can be bent or folded at will, allowing water to reach every corner of the sink , easily cleaning mouth, face and eyes2 WATER OUTPUT MODES: Switch between gentle bubble flow and powerful jet shower at will. The gentle bubble flow model is suitable for hand washing, face washing and mouthwash. Powerful spray shower mode keeps items clean quickly."