PUREPLUS 22000 Gallons Under Sink Water Filter System, 99.99% Chlorine Reduction, NSF/ANSI Certified, Direct Quick Connect Under Counter Water Filtration System


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1. 0.5 micron precise filtration accuracy, it effectively filtering 99% of chlorine & odor, removing heavy metals, sediment and other large particles.

2. 5-year/ 22,000 gallons ultra long water filtration capability, certified by IAPMO. 

3. 2.5GPM water flow rate at 60PSI, which is 3 times faster than common under sink water filter systems.

4. Significantly improving water taste while filtering out impurities and contaminants.

5. Certified against NSF/ANSI 42, adopts 6 in 1 special composite filter.

6. Certified against NSF/ANSI 372 by IAPMO, using food grade Lead-Free BPA Free high standard materials.

7. It retains the beneficial minerals in the water and does not change the TDS value.

8. Adopted upgraded quick connect design greatly shortens the installation time.

9. The system should be connected only to a cold water supply. For smoother installation, please make sure to insert the hoses securely.

10. This under sink water filter system is suitable for faucets with 1/2 inch or 3/8 inch FEMALE NPT thread, If a female threaded connector is needed to connect to your faucet, please contact us BEFORE purchase.

Product details

  • Efficient Filtration

    Uses 6 Stage Filtration technology for a 0.5 micron rate, effectively reducing 99.99% of Chlorine, sediment, taste, odor, rust, and over 100 other harmful substances, providing you with a refreshing drinking experience.

    High Performance

    Innovative structure provides you with stable and continuous high water flow, advanced carbon block greatly increases the service life.

  • Up to 22000 gallons or 5 years depending on usage and water quality.

    30 PSI-100PSI operation water pressure.

    30-100ºF operating temperature

    2.5GPM larger water flow rate at 60PSI.

    Suitable for kitchen, bathroom, RV or office.

Measurements & Compatible

  • Package Dimensions: 11.34 x 3.82 x 3.78 inches

    Item Weight: 1.65 pounds


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Q: What contaminates foes it reduce? [2023-02-15 14:21:43]
Q: filter change water on or off [2023-01-14 05:22:45]
Q: What contaminates does it block? Like chemical and pharmaceutical [2022-12-24 08:21:41]
Q: Reduse TDS? [2022-11-23 12:42:07]
Q: Does this filter reduce DTS? Does this package have a faucet [2022-11-23 12:06:37]
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PUREPLUS 3US-AF01 Under Sink Water Filter Compatible with 3US-AF01 3US-AS01 WHCF-SRC WHCF-SUFC WHCF-SUF 3Pack

Purer & Fresher Than Ever

PUREPLUS aims to design, develop and sell high-quality, cost-effective water filtration products. Our company is committed to household water filtration. For decades, PUREPLUS is not only dedicated to selling filtration products, but also to provide high-quality water filtration solutions for every family. All PUREPLUS products are manufactured under the technical support of our experienced team of product experts.

How did we get our start?

PUREPLUS is headquartered in California and has 20+ years of expertise in the water filtration industry. Every year we supply filtration solutions to 200 million American families.

What makes our products unique?

PUREPLUS has an independent R&D team, that has applied for 2000 patents, and obtained certifications from NSF & IAPMO, European TUV, ROHS, UK WRAS, ACS, CSA, BPA Free and Water Mark. All of our products are produced under the ISO9001, 14000 standard and inspected under strict quality control.

Why do we love what we do?

Water is the source of life. Our dream is to protect the water health of every American resident and provide perfect filtration solutions and fresh water based on different regions water quality.

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How to find NSF Certification Information?

How to find NSF Certification Information?

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Step 2: Select search category: Listed Model / Additional Company

Step 3: Enter "WFS5300A" in the brand name/model field

Model Information List

Model Information List