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 DESIGN: Convenient compact, suitable for faucet 1.6-2.7 cm in diameter, with a fixing ring, water will not fall or leak. SPLATTERPROOF AND WATER SAVING filter Uniform size of filter holes, you don't have to worry about splashing, it has the functions of filtering, splash-proof and water-saving. IMPROVE THE QUALITY OF THE WATER: Removes chlorine heavy metals and other impurities in water, improves water quality, makes it softer and safer. Widely Used: Used 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!