Check the listing for details. Waterdrop RF10 Replacement Filter Cartridge for 10UA/10UB UnderSink Water Filter. Color: Black, Condition: New. Listed at 25.99 USD. Product Description 【Compatible model】Compatible Replacement Filter for Waterdrop 10UA under sink water filter system, 10UB under sink water filter system. 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 8,000 gallons.【Innovative multistage filtration】The Waterdrop Undersink Water Filtration Replacement Filter uses innovative multistage filtration. And it can effectively reduces heavy metals, chemical impurity, sediment and other large particles. Enjoy healthy and pure water straight from your tap – no need to buy bottled water anymore! Cost-effective choice 3 seconds filter replacement Stable and fast water flow Compatible with WD-UA/UB/UC【NSF certified filter】Specially selected premium materials are lead-free, which is fully certified by the against NSF 372 standard. Activated carbon block and other advanced filter media ensure efficient and safe filtration. KDF effectively keep filter sanitary.Tested against NSF 42 standards, it effectively reduces chlorine, taste and odor. The BPA-free, lead-free material ensures more reliable use from the inside out.【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.