iSpring F7-CUA4 replacement set, Fits CU-A4 Ultra Filtration 7-piece Filter Pack

About this item

• 1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF membrane.
• 2nd Stage: 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 coconut shell activated carbon with ultra-micron aperture, this carbon filter absorbs residual chlorine, and odor.