Description [MATERIAL] Non-woven PVA + zolite + 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 1.5-3.2cm diameter faucet, with a fixing ring, water will not fall or leak. [SPLATTER-PROOF AND WATER-SAVING filter Uniform filter hole size, 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 water, improves water quality, makes it softer and safer. Activated Carbon Water Faucet Multi-layer filtration Clean Purifier Filter FEATURES: This product is through the internal drainage layer to achieve filtration and pu rapid stratification, which can remove residual chlorine, and other impurities in tap water. Compact and practical, it is suitable for old and new style taps, with a fixing ring, water will not fall or leak. Improves water quality, makes water softer and safer. SPECIFICATION: Type: Water filters for taps Material: Non-woven PVA + zolite + maifan stone + calcium sulfite + natural coconut shell activated carbon + non-woven PVA Applications: for many types of faucets Color: Blue, green, pink package included: 1*Water filter for faucet (blue) 1*Water filter for faucet (green) 1*Faucet Water Filter (Pink) Please allow 0-1cm error due to manual measurement. pls make sure you don't mind before you bid. how to install Cartridge Water Tap Upgrade Universal Interface Faucet Filter IMPROVES WATER QUALITY Removes chlorine heavy metals and other impurities in water, improves water quality, makes water more soft and safer. With a fixing ring, the water will not fall off or leak. WIDELY USED MATERIAL PVA non-woven fabric + zolite + maifan stone + calcium sulfite + natural coconut shell activated carbon + non-woven PVA, six layers of water filtration, absolutely safe, no secondary pollution, non-toxic.