FITS MOST PULL OUT TAP: Universal G1/2 Connection, fits most common faucet removal hoses. Male STRAIGHT Leads, O.D. Connector: 0.8 Inch or 20.5 MM. Opinion: Please check your faucet connector size before purchasing. 2-FUNCTIONS: The sprayer head provides spray mode and aerated stream mode from rinsing to filling, meeting your different usage needs. You can change function by pressing button. REMOVABLE FLOW RESTRICTOR: The flow restrictor can save water and makes our product compliant with some local plumbing codes and regulations. It can also be removed by yourselves in seconds if your water pressure is low, please remember to check your local plumbing codes and regulations before removal. UPPER VENT: The multi-mesh aerator; creates a perfect aerated stream, quiet, splash-free, filters out most impurities. EASY INSTALLATION: No tools needed, easy to install, just screw it on. Number of shipments:1 pcs