High Quality Quality: Everything is chrome. Sealing ring, roller wear-resistant and anti-corrosion Measurement Instruction: FM22. Adaptable for 22 mm diameter tap with male thread. If the tap thread is 24mm female, please use the included adapter Water Saving Without Decompression: The faucet aerator mixes water and air well to create lots of bubbles and prevent splashing Easy to Install: Our faucet aerator fits most sink faucets. Noted that please confirm the diameter of your kitchen faucet before ordering Multiple Uses: Tap aerator recommended for high pressure water taps only, used in kitchen and bathroom Product description Size: FM22-80-Degree Big Angle Water Saver Tap Aerator with 80 Degree Wide Angle 2 Adjustable Modes Choice of aerator: 1. The 1.22mm female thread aerator (FM22) matches the male thread faucet valve, the internal thread of the faucet is approximately 21.5-22mm. 2. This type of aerator has a 22mm female thread. If your faucet is a male thread, they are a perfect match. 3. If your faucet has a female thread, you can use the adapter to match it (24mm male thread adapter included) 4. To switch from normal mode to the handshower, simply turn the nozzle. 5. For a perfect match, please measure your faucet size before ordering. Features: The aerator can be installed on kitchen sink faucets, bathroom faucets and the spout head of toilet faucets.Its water saving of 30% to 70% compared to a standard aerator. Easy to install without tools or special experience and immediately operational. Changing between the foam jet (3.78 L / min) and the hand shower jet (6.81 L / min) is super easy. The chrome finish makes it fit well on the faucet without distorting the design. Delivered in a well protected box. Package contents: 1 x Aerator for sink 1 x User Manual 1 x Original box