and high quality. Quantity: 1 Size : Approx.57(L)x35(bottom .)x21(top inner .) mm Adapter outer .:21.5mm 3 X 360 Rotate Swivel Water Saving Diffuser Faucet Nozzle Filter (NO Retail Box. Packed Safely in Bubble Bag) Humanized design, easy to install Materials: Cuprum+ABS+Stainless Steel Color: Sliver + Black Increase the water pressure: water flowed, and the air is mixed with water is good,the water feels soft,enhanced water ,cleaning more convenient. 360°rotation: Water can easily covers the whole sink,never worry about clean the sink in cold winter. Health, easy to clean: Water bubbler contains filter, can be at ease use. energy: Water saving 30%~70% (compared with standard bubbler) 360°rotation: Water Can Easily Covers The Whole Sink,never Worry About Clean The Sink In Cold Winter. Materials: Cuprum+ABS+Stainless Steel Increase The Water Pressure: Water Flowed, And The Air Is Mixed With Water Is Good,the Water Feels Soft,enhanced Water ,cleaning More Convenient. Health, Easy To Clean: Water Bubbler Contains Filter, Can Be At Ease Use. Energy: Water Saving 30%~70% (compared With Standard Bubbler)