iSpring 4-Stage Under Sink Ultra-Filtration, 0.01 Micron, Removes 99.99% Contaminants, Quick Filter Change with Brushed Nickel Faucet, White, Model: CU-A4

★★★★★ 4.2 109 reviews

US$93.20
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Management number 230895250 Release Date 2026/06/18 List Price US$93.20 Model Number 230895250
Category

The iSpring CU-A4 0.01μm Ultra-Filtration Under Sink Water Filter System offers advanced 4-stage filtration with state-of-the-art UF Hollow Fiber Technology, removing up to 99.99% of contaminants including bacteria and protozoa. This tankless system features a compact design, low-pressure requirement, and a brushed nickel faucet, making it ideal for home, office, RV, or hotel use. Easy to install and maintain, the CU-A4 ensures superior water quality while retaining essential minerals, providing clean water for various needs without waste water or a storage tank.

  • SUPERIOR PERFORMANCE: The advance 4-stage design, which includes both Ultrafiltration and KDF/GAC stages, removes up to 99% of chlorine and chlorine treatment by-products, lead, arsenic, and much more, while retaining minerals. Noted: This system is NOT a Reverse Osmosis water filtration system and does NOT lower TDS
  • 4-Stage ULTRA FILTRATION SYSTEM: PP Sediment Filter ((5 microns) removes larger particles like rust, sand, dirt. ) Ultra Filtration Filter (contains hollow fiber membrane technology with a pore size of just 0.01 microns. ) KDF and GAC Filter (provides much better control of particularly problematic contaminants including chloramine, hydrogen sulfide, heavy metals, and other compounds). Fine Activated Carbon Filter (provides final polishing).
  • SIMPLE AND FLEXIBLE: NO WASTE WATER and No storage water tank required. 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.
  • FEATURES: Come with premium Brushed Nickel finish drinking water faucet. All filters, tubing and other water-contacting parts are manufactured to comply strictly with NSF/ANSI standards for safety and water quality.
  • EASY-TO-INSTALL AND REPLACE FILTER: Push to connect fittings with color-coded tubing simplify the installation process. Filter replacement are designed for ease. No need to disconnect hoses or water lines. Just Twist On / Twist Off filter cartridges make changing filters a snap. Filter life: 6 -12 months, depending on your source water and usage.
Under-sink & countertop filtration system type Under-Sink Filtration System
Filtration stages 4
Brand iSpring
Height 5 in
Items included Brushed Nickel finish drinking water faucet
Rec. use Residential
Weight 5 lb
Model CU-A4
Color type White

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