【4-Stage Filtration & Better-tasting】OEMIRY 4-stage countertop water filter system can reduce up to 99% chlorine, taste and odor. Reduces fluoride, heavy metals, and other harmful contaminants from tap water. Besides, this system is not designed for TDS removal, it will retain minerals such as potassium, calcium, sodium, and magnesium after filtering, which are beneficial for your body. 【Safe & Durable Materials】Faucet filter housing is made of eco-friendly ABS material to ensure quality and durability, can be used for years. Besides, filter cartridges are all NSF/ANSI 42 certified. Only with safe and reliable materials ensures you get clean and healthy drinking water. 【Easy to Install & No Drilling Required】No drilling and plumber required, directly connect to the sink faucets (6 adapters included for different sizes of faucet). Besides, it produces ZERO waste water and does not require electricity to work. By twisting the switch, you can quickly get tap water and pure water. 【Fast Flow & Quick Replacement】With advanced filtration technology, the tested water flow can reach up to 1.6 gallons per minute. Filter service life can last up to 12 months or 8,000 gallons of filtered water (Actual filter life may vary based on your feed water quality and daily water usage). Search B0B28XQ2B2 on Amazon for inner filter cartridge. 【Multi-Usage & Easy Life】With exquisite design and small size, OEMIRY's faucet water filter can be easily installed in your kitchen, bathroom, RV, or office to meet your daily water needs. It's an ideal choice for drinking, cooking, skincare, and cleaning. NOTE: Please check if your faucet connection type and size fits with OEMIRY sink water filter system first. NOTE: This system will not reduce the TDS value. If you want to physically remove TDS, you may choose OEMIRY RO system