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$15.99
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$79.99
iSpring FP15Q Quick-Change 5 micron Sediment Filter, fits CU-A4, RE4T and RE5T, White (FP15Q)
  • Made of 100% Melt-Blown Polypropylene, 4-layer filtration
  • 1/4" Quick-Change Fitting
  • Individually wrapped to keep freshness
  • Capable to work at low water pressure
  • $15.99
    iSpring FT15Q Quick-Change Inline Carbon Filter, fits CU-A4, RE4T and RE5T, White (FT15Q)
  • Individually wrapped to keep freshness
  • 1/4" Quick-Change connections
  • Capable to work at low water pressure
  • $18.99
    iSpring FUF1 CU-A4 Ultra Filtration UF Membrane, White (FUF1)
  • UF membrane: 0.1 micron, filters more effectively
  • Unique swivel-valve, push-button assembly allows for easy installation
  • Capable to work at low water pressure
  • Individually wrapped to keep freshness
  • Big water flow with preserved minerals and PH
  • $36.99
    iSpring FKG15Q Quick-Change Inline KDF/Carbon Filter, fits CU-A4, White (FKG15Q)
  • Individually wrapped to keep freshness
  • Capable to work at low water pressure
  • 1/4" Quick-Change connections
  • $24.00
    iSpring CU-A4 Ultra Filtration 7-piece Filter Pack (F7-CUA4)
  • 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.
  • $115.99
    iSpring 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+AC filter, and (1) GAC filter. Change every 6 months
  • 1st stage: 5 micron sediment filter that can effectively remove 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 fine coconut shell activated carbon with ultra-micron aperture, this carbon filter absorbs residual chlorine, organics and odor
  • 30-Day money back and 1-year satisfaction guarantee. Free lifetime tech support from our Atlanta base
  • $54.99
    iSpring CU-A4 4-Stage Compact, High Efficiency Under Sink / Inline Drinking Water Filter System for Sink, Refrigerator and RV - Removes Bacteria, Giardia, Lead, Arsenic and much more (CU-A4)
  • Superior 4-stage multipurpose water filtration system for safer, healthier, better-tasting water. The unique 4-stage design, which includes both Ultrafiltration and KDF/GAC stages provides the most effective water filtration in its class.
  • The 0.1 micron Ultra Filtration (UF) stage removes up to 99% of most problematic pollutants such as chlorine and chlorine treatment by-products, bacteria, giardia, lead, arsenic, and much more, while retaining healthy minerals.
  • Simple, compact and flexible, the CU-A4 provides highly effective water filtration for any number of clean-water needs - at the sink, in the refrigerator, for coffee makers and more. With no storage water tank and no waste water, the CU-A4 is perfect even for RVs.
  • All filters, tubing and other water-contacting parts are manufactured to comply strictly with FDA and NSF/ANSI standards for safety and water quality. Simple to install and simple to maintain, CU-A4 Easy-Twist Cartridges simply twist on and off.
  • iSpring supports all of its product with the best support in the industry. In addition to our 1-year limited warranty, we offer lifetime technical support provided by our dedicated support team based in in Alpharetta, GA and available at (678) 261-7611.
  • $169.99
    iSpring CU-A4 Ultra Filtration 4-piece Filter Pack (F4-CUA4)
  • 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.
  • $79.99
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