2-FUNCTIONS: The sprayer head provides mode and aerated stream mode, from flushing to filling,meeting your needs of different usage. You can switch function by pressing button. REMOVABLE FLOW RESTRICTOR: Flow restrictor can save water and makes our product comply with some local plumbing codes and regulations. It also can be removed by yourselves in seconds if your water pressure is low, please remember to check your local plumbing codes and regulations before removal. SUPERIOR AERATOR: multi-mesh aerator creates perfect aerated stream, quiet, no-splash, filter out most impurities. EASY INSTALLATION: No Tools Needed, easy to install, just screw it on. Connector Size is /2-14, STRAIGHT threads NOTICE: Please check your thread size before purchase. This head is NOT UNIVERSAL. color:as shown size:180x29mm Material: ABS : Brushed Nickel Two functions ( or aerated stream), switch by pressing button Connector O.D.: 13/16 Inch or 20.5 MM Package Contents: 1 x Faucet bubbler Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.