DIMENSIONS: Suitable for FM22, M24 with 360 rotatable adapter; fits round universal fittings with 22mm external thread. For 24mm female round universal faucets, use the included 22mm to 24mm conversion adapter. Measure the size and thread type before ordering. 2 WATER FLOW DESIGNS: The faucet aerator offers two flow modes: gentle bubble flow and powerful spray. The swivel splash guard design allows adjustable angles for convenience, enabling easy switching between stream and spray modes. 360 ROTATING DESIGN: The swivel kitchen faucet spray head features a 360-degree rotating design, allowing wide-angle rotation for flexible and convenient rinsing of all sink areas. Ideal for washing sinks, large plates, pots, and other oversized items. WATER SAVING & EASY INSTALLATION: The faucet ext ensures smooth water flow with sufficient air mixing to reduce water impact and prevent splashing, saving 30%-70% water compared to standard aerators. HIGH QUALITY DURABLE MATERIAL: The water-saving aerator is constructed from solid brass and high-quality ABS with a smooth plated surface. Electrolytic polishing helps resist rust and corrosion. Includes a durable rubber sealing ring to prevent leaks.