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- 1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF membrane. 2 replacement cartridges included in this pack.
- 2nd Stage: UF Hollow Fiber membrane that uses standard home water pr
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- Made of Melt-Blown Polypropylene, 4-layer filtration. This filter can also be used for pool and hottub.
- 1/4" Quick-Change Fitting
- Individually wrapped
- Capable to work at low water pressure
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- Individually wrapped to keep freshness
- 1/4" Quick-Change connections
- Capable to work at low water pressure
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- SUPERIOR PERFORMANCE: The advance 4-stage design, which includes both Ultrafiltration and KDF/GAC stages, removes up to 99% of PFAS, chlorine and chlorine treatment by-products, lead, arsenic, and much more, while retaining minerals. Noted: This sy
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- Three-piece filter pack including (1) PP sediment filter, (1) KDF+GAC filter, and (1) AC filter. Change every 6 months
- 1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF membran
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- 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 me
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- UF membrane: 0.1 micron
- Unique swivel-valve, push-button assembly allows for DIY replacement installation
- Capable to work at low water pressure
- Individually wrapped
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- Individually wrapped to keep freshness
- Capable to work at low water pressure
- 1/4" Quick-Change connections
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- 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 me
iSpring F5-CUA4 Replacement set, Fits CU-A4 Ultra Filtration 5-Filter Annual Replacement Pack (F5-CUA4)
1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF membrane. 2 replacement cartridges included in this pack.
2nd Stage: UF Hollow Fiber membrane that uses standard home water pressure to push water through a semi-permeable membrane. 1 replacement membrane included in this pack.
3rd Stage: KDF media (or Kinetic Degradation Fluxion Media) with activated carbon. Please be noted that this replacement filter pack does NOT include a replacement cartridge for this stage.
4th Stage: Post Activated Carbon Filter. Adopting coconut shell activated carbon with ultra-micron aperture, this carbon filter absorbs residual chlorine, and odor. 2 replacement cartridges included in this pack.
iSpring FP15Q Quick-Change 5 micron Sediment Filter, Fits CU-A4 Ultra Filtration System (FP15Q)
Made of Melt-Blown Polypropylene, 4-layer filtration. This filter can also be used for pool and hottub.
1/4" Quick-Change Fitting
Individually wrapped
Capable to work at low water pressure
iSpring FT15Q Quick-Change Inline Carbon Filter, Fits CU-A4 (FT15Q)
Individually wrapped to keep freshness
1/4" Quick-Change connections
Capable to work at low water pressure
iSpring F3-CUA4 replacement set, Fits CU-A4 Ultra Filtration 3-piece Filter Pack for 6-month Supply (F3-CUA4)
Three-piece filter pack including (1) PP sediment filter, (1) KDF+GAC filter, and (1) AC filter. Change every 6 months
1st Stage: 5 Micron sediment filter removes rust, sand, and solid impurities in the water to protect the delicate UF 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.
30-Day money back and 1-year satisfaction guarantee. Free lifetime tech support from our Atlanta base
iSpring F4-CUA4 Replacement Pack for 4-Stage Ultra Filtration System CU-A4, Sediment, UF, KDF, and Activated Carbon Filter, 4pcs (F4-CUA4)
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.
iSpring FUF1 Ultra Filtration UF Membrane, Fits CU-A4 (FUF1)
UF membrane: 0.1 micron
Unique swivel-valve, push-button assembly allows for DIY replacement installation
Capable to work at low water pressure
Individually wrapped
iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter, Fits CU-A4 Ultra Filtration System (FKG15Q)
Individually wrapped to keep freshness Capable to work at low water pressure 1/4" Quick-Change connections
iSpring F7-CUA4 replacement set, Fits CU-A4 Ultra Filtration 7-piece Filter Pack (F7-CUA4)
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.