High quality: all chrome. Sealing ring, durable roller and corrosion protection. Measurement instructions: FM22. Suitable for faucets with 22 mm diameter and external thread. If the faucet's thread is 24 mm internal thread, use the included adapter. Water saving without pressure relief: The faucet aerator mixes water and air well to create plenty of bubbles and prevent splashing. Easy to install: Our faucet aerator fits most sink faucets. Please confirm the diameter of your kitchen faucet before ordering. Multiple uses: Foam faucet is recommended for faucets with high water pressure, used in kitchens and bathrooms. Product description Size: FM22-80-degree wide angle. Water-saving foam faucet with 80-degree wide angle. 2 adjustable positions. Choice of aerator: 1. The aerator with 1.22 mm internal thread (FM22) is the same as Wa. This type of aerator has an external thread, the internal thread of the product measures approximately 21.5 to 22 mm. 2. This type of aerator has a 22 mm internal thread. If your faucet has an external thread, they fit perfectly. 3. If your faucet has an internal thread, you can use the appropriate adapter (24 mm external thread adapter included). 4. Rotate to switch from normal operation to manual operation. Just pull the nozzle. 5. For a perfect match, please measure your faucet size before ordering. Features: The aerator can be installed on kitchen faucets, bathroom faucets and toilet faucet nozzles. Its water saving is 30% to 70% compared to a standard aerator. Easy to install without tools or special experience and immediately ready for use. Switching from foam jet (3.78 L/min) to shower jet (6.81 L/min) is super easy. The chrome finish ensures a good fit on the faucet without compromising the design. Delivered in a well-protected box. Package contents: 1 x Sink aerator 1 x User manual 1 x Original packaging