iSpring F4-CUA4 4 Piece Filter Pack for 4-Stage Ultra-Filtration Water Filter System CU-A4
[Product Information]
1st Stage: 5 Micron sediment filter that can effectively remove rust, sand, and solid impurities in the water to protect the delicate UF membrane.
2nd Stage: State-of-the-art UF Hollow Fiber membrane that uses standard home water pressure to push water through a semi-permeable membrane.
3rd Stage: KDF media (or Kinetic Degradation Fluxion Media) with activated carbon.
4th Stage: Post Activated Carbon Filter. Adopting fine coconut shell activated carbon with ultra-micron aperture, this carbon filter absorbs residual chlorine, organics, humus, and odor.