Quality: 100% brand new and high quality, high temperature resistant and not easily deformed.The new design of the transparent body makes it easy to observe the filtration effect and the use of the filter cartridge. Powerful Filtration Ability: Hard water filter with multi-layer micron PP filter cotton.Our sink water purifier has Strong filterability to remove chlorine, chloramines and soften hard water by filtering out up to 99.9% of lead, calcium, rust, iron, heavy metals and sediment. Softens hard water and protects the skin and health of you and your family. Easy to Clean,Install and Replace:The cartridge is replaceable.The faucet of the sink water filter can rotate 360 degrees, when the cartridge turns yellow and black, please replace it promptly. To clean, simply remove the filter and rinse well in water. Matching: Compatible with most faucets. For use with 22 mm male thread diameter faucets. Use with the included faucet adapter for 24 mm female thread diameter faucets. Note: Due to different measurement methods, this may result in an error of 0.1-0.5mm, please measure the size of your faucet carefully before purchasing. 360 Swivel Design & Angled Extension Tube: The sink water purifier can be swivelled 360 at will to effectively increase water pressure. The extension tube allows the faucet nozzle to reach anywhere in the sink, preventing splashing and helping you rinse dishes and more quickly and cleanly, easy to use. Note: If you have a shallow sink, please consider this product carefully before purchasing.