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. Please 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 functions. 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 infusion 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 high-quality rubber sealing ring for a secure, leak-resistant fit.