Good Performance: 20 Stage Shower Filter adopts KDF 55, alkaline ceramic ball, activated carbon, calcium sulfite and other high-quality filtration materials to maximize the filtration of hot and cold water, purify water quality with high quality, About the Produc: When you purchase 20 Stage Shower Filter Cartridge, you will receive four shower filter heads 2.4 inches in diameter and 2.7 inches in height, perfect for giving to friends and loved ones. The replacement shower head is suitable for the top, handheld, wall mounted, combined and other types of shower heads, which can filter well in hot and cold water, and is mostly used in the kitchen and bathroom Excellent Performance:Our 20 Stage Shower Filter Replacement Cartridge, multistage filter, replaces shower filter with vitamin C, Can effectively reduce 95% of chlorine, fluorine, heavy metals and other impurities and dirt in hard water, remove unpleasant odors, balancing PH value reduces dry and itchy skin, quickly relieves fatigue, and improves the health of skin, hair, and nails. Care for the skin and health of you and your family Easy to Install:No tools, just hand-tighten. You can enjoy a 20 Stage Shower Filter. Please flush through the filter for 1-2 minutes to activate it at first using time. Each cartridge can use about 12,000 gallons of water, and depending on local water quality and frequency of use, it is recommended that you replace your shower filter every 4-6 months. Please disconnect the power supply and wear working gloves before installation Customer Satisfaction Guarantee:You can buy it with confidence. We will do our best to meet your needs, if you have any questions about the 20-Stage Replacement Shower Water Filter Cartridge Color: White Material: ABS Package Contents: 4 pcs * Shower Filter Replacement Elements