MATERIAL Non-woven PVA and zeolite and calcium sulfite and natural coconut shell activated carbon and non-woven PVA, five layers of water filtration, absolutely safe, no secondary pollution, non-toxic. ERGONOMIC DESIGNConvenient compact, suitable for 1.6-2.7cm diameter faucet, with a fixing ring, water won't drip 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 QUALITYRemove heavy metals chlorine and other impurities in water, improve water quality, make it softer and safer. Widely Used Used in home kitchen, bathroom and any place you need. FEATURES: This product is through the internal drainage layer to achieve rapid stratified filtration and purification, which can remove residual chlorine, and other impurities in tap water. Compact and practical, it is suitable for old and new style faucets, with a fixing ring, the water will not fall or leak. Improves water quality, makes water softer and safer.