MATERIAL Non-woven PVA + zeolite + calcium sulfite + natural coconut shell activated carbon + non-woven PVA, five layers of water filtration, absolutely safe, no secondary pollution, non-toxic. ERGONOMIC DESIGNConvenient compact, suitable for faucet 1.6-2.7cm in diameter, with a fixing ring, water will not fall or leak. SPLATTER-PROOF AND WATER-SAVINGUniform filter hole size, you don't have to worry about splashing, it has the functions of filtering, splash-proof and water-saving . IMPROVE WATER QUALITYRemoves heavy metals from chlorine and other impurities in water, improves water quality, makes it softer and safer. Widely UsedUsed in home kitchen, bathroom and any place you need. We always adhere to the concept of customer first. If you encounter any quality problems during use, we are willing to solve the problem for you as soon as possible!