2 Position Head - by pulling the chrome plated head, the gentle aerator spray becomes a powerful jet. A fine, built-in dirt strainer captures sand and dirt particles.NOTE: Pull down the nozzle to change the spray mode This unit produces a champagne effect flow that negates any splash back in the basin at the same time increasing wetting ability and performance. To clean, simply remove the strainer and rinse it off under the water. Fits all standard taps with M22 external thread and internal thread M24 - gasket included Features: Save energy: Water saving 30%~70% (compared with standard bubbler) Increase the water pressure: Prevent water flowed, and the air is mixed with water is good,the water feels soft,enhanced water momentum,cleaning more convenient. 360rotation: Water can easily covers the whole sink,never worry about clean the sink in cold winter.Worry-Free Shopping: For any reason such as defective or disliked products, please contact us and we will refund you in full, no worries.