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High Capacity Under Sink Water Filter
Under Sink Water Filter System
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Under Sink Water Filter for 1/2" Water Lines
Under Sink Water Filter for 3/8" Water Lines
Best Under Sink Water Filter System

High Capacity Under Sink Water Filter System Compatible with Standard 1/2" & 3/8" Water Lines for Home Use

【Application Scenarios】A faucet filtration system that can be installed under your kitchen sink, bathroom, RV, or office.Suitable for 1/2"" 3/8"" NPT female threaded faucets

【Certification】NSF 42&53

【Material】Made from BPA-free, food-grade materials, this filter features premium coconut shell carbon with a 0.5-micron outer layer for superior filtration. Certified by authoritative bodies and third-party tested, it effectively removes heavy metals, sediments, and harmful impurities.

【Full Customization Options】 Filter Accessories & Complete Water Filtration Systems, Color & Logo, Performance & Functionality

【OEM & ODM】Product Design & Function Customization & Performance Optimization  

【Manufacturer Experience】Designated Supplier for North American Offline Supermarkets & China Top 3 Water Filter Cartridge Manufacturer

  • Item No :

    S003
  • Filter life :

    2 months
  • Box Dimensions :

    38*18*14 CM
  • Carton Demensions :

    56.5*4.*44.5 CM(9 PCS)
  • Lead Time :

    12-15 days

High Capacity Under Sink Water Filter System Compatible with Standard 1/2" & 3/8" Water Lines for Home Use

 

Home Under Sink Water Filtration

 

Sustainable Solutions for Global Clean Water Access

 

At PUREZA, we engineer NSF-certified water filters to support UN SDG 6 – Clean Water & Sanitation. Our mission: democratize access to safe drinking water through scalable, cost-effective technologies—breaking economic and geographic barriers with every filter we produce.

 

High Capacity Under Sink Water Filter

400 PSI Burst Proof & Leak-Free Performance

 

Our best under sink water filter system undergo extreme pressure testing to ensure absolute reliability—400 PSI burst pressure, 100,000 pulse cycles, and 300 PSI static pressure—guaranteeing no leaks, no bursts, just durable, long-lasting filtration.

 

 

NSF 42 & 53 Certified Under Sink Water Filter System

NSF 42 & 53 Certified

 

Certified by LAPMO R&T against NSF/ANSI 42 & 53, our under sink water filter system reduce lead, chlorine, and bad tastes. Backed by Platinum Seal testing, they meet the highest U.S. water safety standards for health and purity.

 

Under Sink Water Filter for 1/2

12-Month Long-Lasting Purification

 

Enjoy 12 months of pure water with our extended-life filters. (Actual lifespan may vary based on water conditions.) Fewer replacements, more savings—pure water made effortless.

 

 

 

Best Under Sink Water Filter System

3-Step No-Tool Installation – Fits Any Sink in Minutes

 

This High Capacity Under Sink Water Filter is easy to operate, and can be installed in just three steps. Fits 1/2" & 3/8" lines—universal compatibility for hassle-free setup.It is the first choice for home water purification.

 

 

PUREZA Workshop

OEM/ODM Production for Bulk Buyers

 

PUREZA’s automated mega-facility delivers:

✔ 50,000+ units/day output

✔ 30+ injection molding machines & 11 carbon rod lines

✔ 15-day lead time with end-to-end QC

Designed for global distributors needing high-volume, low-MOQ solutions.

 

 

PUREZA | World-Class OEM/ODM Water Purification Solutions Provider

 

PUREZA is a trusted water filtration partner with over 10 years of experience as a leading OEM/ODM manufacturer.

From Filter Accessories To Water Purification Machines,The Entire System Can Be Customized!

 

Needs Assessment

Solution Design

 

Sample Production & Testing

 

Production & Delivery

 

After-Sales Support

 

         

Fully communicate and understand customer requirements, including water usage needs, water quality standards, specific product design and functionality expectations.

Develop a customized plan based on customer needs, covering product design, technical specifications, material selection, and production processes.

Create prototypes based on the design plan and conduct rigorous testing including filtration efficiency, wastewater discharge, and product lifespan.

Proceed with mass production under strict quality management systems. Packaging and delivery are tailored to customer specifications.

Provide end-to-end services, including product certification, listing guidance, and operational support etc.

 

Business Models

 

For Customization Needs:


  • *Product Design
    √ Shape & Color & Dimensions & Layout
    √ Appearance & Structure
    √ Aesthetic & Spatial

  • *Function Customization
    √ Water Quality & Application Scenarios
    √ Filtration Capacity & Energy Efficiency
    √ Industrial Use & Household Use

  • *Performance Optimization
    √ Filtration Efficiency & Service Life 
    √ Filtration Technology & Materials
    √ Lowering operational costs & Maintenance
    √ Convenience & Durability
 

 

For Non-Customization Needs:

Wholesale: Directly purchase factory-branded products.

Private Label: Use the factory's existing products with customer-branded packaging (customers can sell products in plain white-box packaging or factory-branded packaging).

 

FAQ
     
Can samples be provided? Is it a source factory? What Is the Typical Delivery Time?
     

Provide FREE samples if you agree to take care of the expressing freight.

PUREZA currently has 4 workshops and is one of the largest refrigerator filter manufacturers in China

Sample delivery typically takes 1-2 business days, while bulk production is usually 12-15 days.

     
Can mold customization or OEM services be provided?
How Long Does Custom Development Take? What certifications does your factory have?
     

Supports wholesale, mold customization, OEM and other sales models

The typical custom development cycle is 60-90 days, depending on the complexity, design details, and production schedule.

 

NSF 42&53&401&372 Certifications, EPA Certification, TüV Certification, ISO9001 Certification, CE Certification, RoHS Certification etc.

 

Why Choose PUREZA?

 

1、Product Quality: NSF 42&53&401&372

2、Source Factory: 20,000㎡ production area with 4 major workshops and 22 production lines, over 100 manufacturing machines.

3、Technical Team: Comprised of 25 water purification experts with 15 years of experience each.

4、Business Services: Support wholesale, mold customization, and OEM labeling.

5、OEM/ODM Service: Product design, function customization, performance optimization.

6、Delivery Cycle: Sufficient stock, flexible delivery schedules.

7、Water Purification Solutions: From filter accessories to complete water filtration systems.

8、Special Services: Product certification, listing guidance, and operational support.

 

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Related Products

High Capacity Under Sink Water Filter
High Capacity Under Sink Water Filter System Compatible with Standard 1/2" & 3/8" Water Lines for Home Use
【Application Scenarios】A faucet filtration system that can be installed under your kitchen sink, bathroom, RV, or office.Suitable for 1/2"" 3/8"" NPT female threaded faucets 【Certification】NSF 42&53 【Material】Made from BPA-free, food-grade materials, this filter features premium coconut shell carbon with a 0.5-micron outer layer for superior filtration. Certified by authoritative bodies and third-party tested, it effectively removes heavy metals, sediments, and harmful impurities. 【Full Customization Options】 Filter Accessories & Complete Water Filtration Systems, Color & Logo, Performance & Functionality 【OEM & ODM】Product Design & Function Customization & Performance Optimization   【Manufacturer Experience】Designated Supplier for North American Offline Supermarkets & China Top 3 Water Filter Cartridge Manufacturer
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