Check the listing for details. Waterdrop WD-KJF Filter,Replacement for WD-KJ600 Reverse Osmosis Water Dispenser. Color: White, Condition: New. Listed at 119.99 USD. This filter is adaptive to WD-KJ-600 & WD-K6-W【Upgraded filtration】 With adaption of the RO membrane technology with an accuracy of 0.0001 μm, the filter of the tankless reverse osmosis system KJ-600 can effectively reduce TDS, heavy metals, fluoride, organic matter, etc.【5-in-1 advanced purification】：The postposition activated carbon block and the RO membrane of the RO system effectively reduce most contaminants, as well as largely absorb residual chlorine odors and organics.【Longer service life】：The filter of the reverse osmosis water filtration system delivers clean and pure filtered water for a full year. It is recommended to replace a filter every 12 months, so that you can always get good water drinking experience.【Easier installation】: The filter of the tankless reverse osmosis system only takes a twist to change the filter in 3 seconds. No tools required.No LimescaleThe RO system's strong filtration capacity ensures that this reverse osmosis water filtration system will not build up limescale at all, so you do not need to worry about limescale during heating. The tankless reverse osmosis system can ensure cleanness and safety of your drinking water.Long Service LifeWith this tankless reverse osmosis system, you can enjoy refreshing taste by changing your filter every 12 months or 1600 gallons. Note: The lifetime depends on your local water quality.Easy InstallationThe filter of the reverse osmosis water filtration system is very easy to install without other tools and cannot leak.