[MATERIAL] PVA non-woven fabric + zolite + calcium sulfite + natural coconut shell activated carbon + PVA non-woven fabric, five layers of water filtration, absolutely safe, no secondary pollution, non-toxic.[ERGONOMIC DESIGN] Compact and convenient, suitable for faucets with a diameter of 1.5-3.2 cm, with a fixing ring, water will not fall off or leak.[SPLASH-PROOF AND WATER-SAVING] 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 WATER QUALITY] Removes chlorine heavy metals and other impurities in the water, improves water quality, makes it softer and safer.Activated Carbon Water FaucetMulti-layer filtrationClean Purifier FilterFEATURES: 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 off or leak. Improves water quality, makes water softer and safer.SPECIFICATION: Type: Faucet Water FiltersMaterial: PVA non-woven + zolite + maifan stone + calcium sulfite + natural coconut shell activated carbon + PVA non-wovenApplications: for many types of faucetsColor: Blue, green, pinkPackage Included:1 * Faucet Water Filter (Blue)1 * Faucet Water Filter (Green)1 * Faucet Water Filter (Pink)Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.how to installCartridge Water TapUpgrade Universal Interface Faucet FilterIMPROVES WATER QUALITYRemoves chlorine heavy metals and other impurities in water, improves water quality, makes water softer and safer.With a fixing ringwater will not fall off or leak.WIDELY USEDMATERIALPVA non-woven fabric + zolite + maifan stone + calcium sulfite + natural coconut shell activated carbon + PVA non-woven fabric, six layers of water filtration, absolutely safe, no secondary pollution, non-toxic.