Feature(may vary by option.)
●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, and much more, while retaining minerals. Noted: This system is NOT a Reverse Osmosis water filtration system and does NOT lower TDS.
●4-Stage ULTRAFILTRATION SYSTEM: PP Sediment Filter (5 microns) removes larger particles like rust, sand, dirt. Ultrafiltration membrane 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 for simplify setup. 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.
[Ultra-Filtration Water Filtration System]
[1-Year Filter Replacement Set]
[Filter Pack - 7 piece]
Description
Protect your home, health, and appliances by filtering your water with the CU-A4 Ultrafiltration Water System.
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4-Stage Efficient FiltrationThe CU-A4 effectively removes the most problematic contaminants while maintaining a natural alkaline balance and great taste. With advanced compound filters, it effectively reduces silt, rust, large particles, heavy metals, micron substances, matter, chlorine, taste, and odor, thus improving water taste for direct drinking, coffee, or beverages. It retains natural minerals. |
Easy Installation and MaintenanceThe CU-A4 is designed to be simple to install and maintain. Push to connect fittings and color-coded tubing simplify the installation process. iSpring Twist On / Twist Off filter cartridges make changing filters a snap. A drinking faucet is also included in the package. |
Premium Complex Filter Superior Over OthersThe CU-A4 is the only filter in its class to offer Kinetic Degradation Fluxion (KDF) Media which adds an important additional layer of protection to control heavy metals. The Ultra Filtration (UF) stage contains hollow fiber membrane technology with a pore size of just 0.01 micron, surpassing the performance of both carbon block and portable mini water filters. |
4-Stage Filter Replacement
Why iSpring?
iSpring is Americas favorite brand of water filtration systems. All of our systems go through rigorous testing for air leaks, pressure and cycle resistance to adhere to our own demanding quality and high-performance standards. You are assured of many years of trouble-free, low-maintenance peace of mind.
Why CU-A4 Ultrafiltration Water Filter System?
The Advanced 4-Stage Under Sink Ultra-Filtration Water Filter System reduces major most problematic contaminants from your water supply while maintaining a natural alkaline balance & great taste, and supplies clean water for drinking, showering, cooking, and other home uses.
- PP Sediment Filter (5 microns) removes larger particles like rust, sand, dirt.
- 0.01 micron Ultra Filtration membrane can effectively removes all colloidal particles (0.01 to 1.0 micron) and some of the largest dissolved contaminants from water.
- KDF and GAC Filter provides much better control of particularly problematic contaminants, such as chloramine, hydrogen sulfide, heavy metals, Volatile Chemicals (VOC), chlorine and more.
- Post Activated Carbon (0.01-Micron) can further absorb the peculiar smell of the water, increase the oxygen content of the purified water, and mainly improve the taste of the water.
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Not For TDS RemovalPlease note: This under sink water filtration system DOES NOT lower TDS, instead it will keep minerals in your water. If you are interested in a filter that eliminates TDS, please consider under sink Reverse Osmosis (RO) system RCC7. |
Leak-Free SystemPush-to-connect fittings and colorful coordinated tubings simplify the installation process and prevent leaking. The o-rings are made of premium materials to make sure that the filters will be properly sealed without any leakage. |
Save More SpaceThe iSpring CU-A4 Under Sink Water Filtration System can be mounted easily under sink, leaving you more space for storage and letting you filter water directly. The slim & compact design is ideal for homes, apartments, offices, and RVs as it can be easily installed and allows you to pack more belongings. |
Cost-Effective SystemOur ultrafiltration system offers a cost-effective and convenient way to enjoy clean, filtered water in the comfort of your home. Unlike other filtration systems, our long-lasting filters require no electricity, making it a sustainable and affordable option for any household. you can save a significant amount of money on expensive bottled water and water delivery services. |
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| FP15Q | FUF1 | FKG15Q | FT15Q | F4-CUA4 | F3-CUA4 | |
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| Price | $25.91 | ? | $31.05 | $25.75 | $87.49 | $54.99 |
| Media | Polypropylene | Ultrafiltration Membrane | KDF + Carbon | Post Activated Carbon | PP + Ultrafiltration + KDF&Carbon + Post Carbon | PP + KDF&Carbon + Post Carbon |
| Recommended replacement cycle | Every 6-12 months | Every 12 months | Every 6-12 months | Every 6-12 months | Every 6-12 months | Every 6-12 months |
| Stage | 1 | 2 | 3 | 4 | 4-Stage filter pack | Stage 1,3,4 |