With a filtration accuracy of 0.5 ?m, the Waterdrop Undersink Water Filtration Replacement Filter reduces pollutants, such as PFOA/PFOS, PFAS, chlorine, taste and odor, sediment, rust, and other heavy metals[2]. You dont have to worry about the safety of the filtered water. ?Compatible model?Compatible Replacement Filter for Waterdrop 10UA under sink water filter system (ASIN B083NPW1DN), 10UB under sink water filter system (ASIN B089CKQGL1). This undersink filter brings you purified water from your original faucet or your dedicated faucet. Get easy access to clean, safe, and healthy purified water with Waterdrop! ?Ultra-long service life? When used with municipal water, each Undersink Water Filter has a maximum service life of 1 year or 11,000 gallons.[1] ?Innovative multistage filtration?The Waterdrop Undersink Water Filtration Replacement Filter uses innovative multistage filtration. And it can effectively reduces PFAS, PFOA/PFOS, heavy metals, chemical impurity, sediment and other large particles.[2] Enjoy healthy and pure water straight from your tap no need to buy bottled water anymore! ?IAPMO certified filter?Made from premium BPA-free and lead-free materials, the under sink replacement filter is certified by IAPMO against NSF/ANSI 372 Standard, ensuring reliable use from inside to outside. Certified by IAPMO against NSF/ANSI 42 Standard, the water filter can effectively reduce chlorine, taste and odor. Tested by third party laboratory against NSF/ANSI 53 standard it can reduce lead. ?Quick replacement?The twist-and-lock design of the undersink filter ensures that you can replace it in 3 seconds without any tools, saving you time and effort.