1.!!!!!! Purchase Notes / Please carefully check and measure the thread diameter of the original faucet! Provide you with satisfied customers. 2. Easy to install: internal and external threads, suitable for 99% of faucets. Equipped with a full set of tools, it can be directly installed manually (3 leak-proof washers, 1 hexagonal wrench, 1 removal wrench), which can be installed to the kitchen, basin faucet, bathroom faucet, sink faucet, etc. 3. Dual-mode design: The aerator has two different water outlet modes: foam flow and strong spray. Spray: suitable for quick dishwashing and decontamination; foam flow: suitable for hand washing, face washing and gargling, meeting your different needs, minimizing water splashing and waste. 4. Foldable faucet extender: Well-designed large rotation angle, comfortable water outlet experience, provides convenience, makes daily washing more convenient, easy to clean, clean every corner of the kitchen sink. 5. Durable and long-lasting: solid copper, ABS body and multi-layer electroplating, anti-corrosion, anti-rust, four-layer filtration, remove impurities, long service life, protect every family member.