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 modes. 360 ROTATING DESIGN: The swivel kitchen faucet spray head features a 360-degree rotation, allowing wide-angle movement 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 extender ensures smooth water flow with sufficient air mixing to reduce water splashing and erosion, 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 prevent rust and corrosion. Includes a high-quality rubber sealing ring for reliable, leak-resistant performance.