【Pre Order】Frizzlife K3-F-800 Replacement Filter Cartridge For RO-K3 and RO-K3-A Under Sink Reverse Osmosis Water Filters - 1st Stage

Frizzlife Replacement Filter Cartridge for RO-K3 and RO-K3-A RO Systems - 1st Stage 2-in-1 Composite PP & Carbon Filter Blocks fine debris and reduces particles such as sand silt, rust and insoluble impurities. Preconditions the water and prolongs lifespan of the next two filters. 1st Stage Replcement Filter for RO-K3 and RO-K3-A Under Sink Reverse Osmosis Water Filters Quick Change & Tool Free Adopting twist design, filter cartridges can be easily changed in a snap with the wrench provided. Please replace the K3-F-800 composite filter 6-12 months (Please kindly note that the replacement period highly depends on your feed water quality and daily water usage)