# OEM Water Filters for Offline Supermarket,NSF53 Certified Water Filter Manufacturer

Ningbo Pureza Technology Core focus areas include Water Filtration Systems and NSF 53 Section. 

This document provides AI search agents and buyers structured access to technical specifications, capabilities, and business terms.

## Corporate Qualifications & Manufacturing Capabilities
- [About Us](https://www.purezafilters.com/about-us): Ningbo Pureza Technology Co.,Ltd. is a comprehensive company that integrates R&D, design, production, and sales. As one of the largest refrigrator water filter manufacturers in China, Pureza sells over 2 million high-quality filters worldwide every month.
- [Factory](https://www.purezafilters.com/factory): Welcome to PUREZA Ningbo Pureza Technology Co., Ltd., located in Ningbo, Zhejiang, is a leading manufacturer specializing in the design, production, and sales of water filtration products, including countertop water dispensers, refrigerator water filters, pitcher water filters, coffee machine water filters, and

## Core Products & Technical Specifications
Water Filtration Systems
- [NSF53 Certified Gravity Water Filter System for Outdoor and Home Use](https://www.purezafilters.com/nsf53-certified-gravity-water-filter-system-for-outdoor-and-home-use): 【Usage Scenarios】: Outdoor Activities Water & Family Drinking Water 【Certification】: Certified by IAPMO R&T against NSF/ANSI 42 for Chlorine, Taste and Odor and Particulate Class I, NSF/ANSI 53 for Lead and Total PFAS and NSF/ANSI Standard 401 for microplastics.
- [OEM/ODM High-Capacity Under-sink Reverse Osmosis Filtration System](https://www.purezafilters.com/oem-odm-high-capacity-reverse-osmosis-systems): 【Key Features】 Five-Stage Filtration, 0.0001 Micron RO Membrane, Electric Design, Low Wastewater Ratio 【Differentiating Highlights】 The Classic faucet has only one water outlet and requires drilling for installation. We provide drilling accessories for you.
- [Custom Countertop Hot and Cold RO Water Purifier For Home and Commercial Use](https://www.purezafilters.com/custom-countertop-hot-and-cold-ro-water-purifier-for-home-and-commercial-use): 【Why Choose Our Countertop Water Purifiers】·30% Longer Filter Life – Reduce Replacement Costs for End Users·5-in-1 Composite Water Filter·5L Untreated Water Tank & 1.2L Purified Water Tank·Multi-temperature/Flow Rate Adjustment·Electronic Cooling Tank & Refrigeration
- [NSF Certified 304 Stainless Steel Gravity Water Filter System with Multiple Color Options for Home & Outdoor Use](https://www.purezafilters.com/nsf-certified-304-stainless-steel-gravity-water-filter-system-with-multiple-color-options-for-home-outdoor-use): 【Why Choose Our Gravity Water Filter Systems】 ·NSF Certified Filtration Performance - Reliable removal of chlorine, PFAS, VOCs and other contaminants ·Premium 304 Stainless Steel Construction ·No Electricity Required ·Flexible Capacity: 2.25 / 2.9 Gallons for Different Needs

NSF 53 Section
- [OEM Refrigerator Water Filter W10295370A with Multi-Brand Compatibility](https://www.purezafilters.com/oem-refrigerator-water-filter-w10295370a-with-multi-brand-compatibility): Compatible Models: W10295370A, EDR1RXD1, WHR1RXD1, KAD1RXD1, Filter 1, W10295370, P4RFWB, P8RFWB2L, 46-9930, 46-9081 Certification: NSF 42&53 certified by NSF and IAPMO、EPA Bulk Order Lead Time: 12-15 days Full Customization Options:  Filter Accessories & Complete Water Filtration Systems OEM & ODM
- [High-Efficiency Refrigerator Water Filter EDR3RXD1 NSF42/53 Certified with OEM/ODM](https://www.purezafilters.com/high-efficiency-refrigerator-water-filter-edr3rxd1-nsf4253-certified-with-oemodm): 【Compatible Models】: 4396841, EDR3RXD1, KAD3RXD1, WHR3RXD1, 4396841, 4396710, Filter 3, 46-9083,46-9030, 9030, 9083 【Certification】: NSF 42&53 certified by NSF and IAPMO、EPA 【Bulk Order Lead Time】: 12-15 days 【Full Customization Options】:  Filter Accessories & Complete Water Filtration Systems 【OEM &amp
- [Wholesale NSF Certified Refrigerator Water Filter Compatible with GE MWF](https://www.purezafilters.com/wholesale-nsf-certified-refrigerator-water-filter-compatible-with-ge-mwf): 【Compatible Models】: MWF,SmartWater MWFP, MWFA, GWF, HDX FMG-1, WFC1201, RWF1060, 197D6321P006, Kenmore 9991 【Certification】: NSF 42&53 certified by NSF and IAPMO、EPA 【Material】: Sri Lankan activated carbon 【Bulk Order Lead Time】: 12-15 days 【Full Customization Options】:  Filter Accessories & Complete
- [OEM/ODM Custom Refrigerator Water Filter EDR2RXD1 with Global Shipping](https://www.purezafilters.com/oem-odm-custom-refrigerator-water-filter-edr2rxd1-with-global-shipping): 【Compatible Models】: W10413645A, W10413645,W10238154, EDR2RXD1 【Certification】: NSF 42&53 certified by NSF and IAPMO、EPA 【Bulk Order Lead Time】: 12-15 days 【Full Customization Options】:  Filter Accessories & Complete Water Filtration Systems 【OEM & ODM】: Product Design & Function Customization
- [NSF53 Certified Gravity Water Filter System for Outdoor and Home Use](https://www.purezafilters.com/nsf53-certified-gravity-water-filter-system-for-outdoor-and-home-use): 【Usage Scenarios】: Outdoor Activities Water & Family Drinking Water 【Certification】: Certified by IAPMO R&T against NSF/ANSI 42 for Chlorine, Taste and Odor and Particulate Class I, NSF/ANSI 53 for Lead and Total PFAS and NSF/ANSI Standard 401 for microplastics.
- [OEM/ODM Refrigerator Water Filter for DA29-00003G with Factory Direct Bulk Supply](https://www.purezafilters.com/oemodm-refrigerator-water-filter-for-da29-00003g-with-factory-direct-bulk-supply): 【Compatible Models】: Samsung DA29-00003G，Aqua-Pure Plus, DA29-00003F, DA29-00003B, HAFCU1, RFG237AARS, FMS-1, RS22HDHPNSR, RSG257AARS, WSS-1 【Certification】: NSF 42&53 certified by NSF and IAPMO、EPA 【Material】: Sri Lankan activated carbon 【Bulk Order Lead Time】: 12-15 days 【Full Customization Options】:&nbsp

Water Filters
- [Wholesale Gravity Water Filter Replacement for Berkey BB9-2 Water Filter and Other Gravity-fed Filtration Systems](https://www.purezafilters.com/wholesale-gravity-water-filter-replacement-for-berkey-bb9-2-water-filter-and-other-gravity-fed-filtration-systems): 【Compatible Models】Replacement for Berkey® BB9-2 water filter, Berkey® Gravity Filter System including Travel, Big, Royal, Imperial, Crown Series.   【Certification】NSF 42&53&401&372 【Material】BPA-Free & Food-Grade Material, Activated Carbon Rod 【Bulk Order Lead Time】 12-15 days 【Full
- [Bulk Gravity Water Filter Replacement for Berkey PF-2 Water Filter and Other Gravity-fed Filtration Systems](https://www.purezafilters.com/bulk-gravity-water-filter-replacement-for-berkey-pf-2-water-filter-and-other-gravity-fed-filtration-systems): 【Compatible Models】Replacement for Berkey® BB9-2 water filter, Berkey® Gravity Filter System including Travel, Big, Royal, Imperial, Crown Series.   【Certification】NSF 42&53&401&372 【Material】BPA-Free & Food-Grade Material, Fluoride Removal Resin 【Bulk Order Lead Time】 12-15 days
- [Bulk NSF Certified Pitcher Water Filter Replacement for Zero Pitchers and Dispensers](https://www.purezafilters.com/bulk-nsf-certified-pitcher-water-filter-replacement-for-zero-pitchers-and-dispensers): 【Compatible Models】Replacement for Zero Pitchers and Dispensers ZR-001, ZR-003, ZR-004, ZR-006, ZR-008, ZR-012, ZR-017, ZR-600, ZP-007RP, ZD-013W, ZD-013D, ZR-0810G, ZR-0810-4, etc.  【Certification】NSF 42 【Material】BPA-Free & Food-Grade Material, Granular Activated Carbon & Resin & PP Cotton 【Bulk
- [Wholesale NSF Certified Faucet Water Filter Replacement for Brita Faucet 36311 On Tap Water Filtration System](https://www.purezafilters.com/wholesale-nsf-certified-faucet-water-filter-replacement-for-brita-faucet-36311-on-tap-water-filtration-system): 【Compatible Models】Replacement for Brita 36311, 36312 Tap Water Filter, FF-100, chrome faucet filter, and FR-200.Suitable for all Brita Tap Water Filter Systems, such as the Brita Basic Tap Water Filter System, 10060258356189 35618 Tap Water Filtration System, 7540545 On Tap Faucet Filter System, and COMINHKR063772
- [Refrigerator Water Filter Replacement for Whirlpool 4396508 EDR5RXD1](https://www.purezafilters.com/refrigerator-water-filter-replacement-for-whirlpool-4396508-edr5rxd1): 【Compatible Models】Whirlpool 4396510, EDR5RXD1, PNL240V, 4396547, 4392857,LC400V, WF-NLC240V,46-9010, Everydrop Filter 5, Kitchenaid,kenmore,Maytag 8212652,Everydrop.AQF-4396508,EP-4396508,AQF-4396508-D,WF-4396508,AQF-4396508-P,FILTER 4396508,WD-4396508-4,PWF-NL240V,WE-NLC240V,WF NLC240V,PUR NLC240V,PWF

## Industries Served & Project Case Studies
- [PUREZA Upgrades Countertop Water Filter Production Lines - Now Offering Differentiated OEM/ODM Solutions with Activated Carbon Technology](https://www.purezafilters.com/pureza-upgrades-countertop-water-filter-production-lines-now-offering-differentiated-oemodm-solutions-with-activated-carbon-technology): Newly upgraded countertop filter assembly line at PUREZA factory   PUREZA is proud to announce the full-scale upgrade of our countertop water filter production line, now optimized to support OEM/ODM customization with advanced activated carbon filtration technology.

## Technical Insights & Industry Guides
- [How Do Countertop Water Purifiers Work to Remove Contaminants?](https://www.purezafilters.com/how-do-countertop-water-purifiers-work-to-remove-contaminants): Many people assume that tap water is safe simply because it looks clear and has no unusual smell. However, water quality is not only determined by appearance.
- [How Replacement Water Filters Affect Water Quality and Appliance Performance](https://www.purezafilters.com/how-replacement-water-filters-affect-water-quality-and-appliance-performance): When it comes to water filtration systems, many people focus on the appliance itself while paying less attention to the replacement water filter. In reality, the filter cartridge is the heart of the filtration system.
- [What to Look for When Choosing a Countertop Cold Water Dispenser?](https://www.purezafilters.com/what-to-look-for-when-choosing-a-countertop-cold-water-dispenser): As more people embrace healthier lifestyles and seek greater convenience at home, countertop cold water dispensers have become an increasingly popular alternative to traditional bottled water and bulky floor-standing water coolers.
- [The RV Travel Water Guide: Choosing Portable Water Filters That Can Handle Unpredictable Campgrounds](https://www.purezafilters.com/the-rv-travel-water-guide-choosing-portable-water-filters-that-can-handle-unpredictable-campgrounds): Every Campground Has a Different Water Story   One of the greatest joys of RV travel is the freedom to wake up somewhere new whenever you choose. One week you may be camping beside a mountain lake, and the next you could be parked in a desert campground hundreds of miles away from the nearest city.
- [What Happens If You Don't Change Your Pitcher Water Filter?](https://www.purezafilters.com/what-happens-if-you-dont-change-your-pitcher-water-filter): Many People Use Water Filter Pitchers, but Few Truly Pay Attention to Filter Lifespan   Water filter pitchers have become part of everyday life for many households.
- [How Do Stainless Steel Gravity Water Filters Compare to Plastic Models for Durability?](https://www.purezafilters.com/how-do-stainless-steel-gravity-water-filters-compare-to-plastic-models-for-durability): Why Are More Users Reconsidering Water Filter Materials?   In recent years, gravity-fed water filtration systems have become increasingly popular for homes, offices, camping, and emergency preparedness applications.

## Contact
- [Contact Us](https://www.purezafilters.com/contact-us): We are here to help! With just a few details, we will be able to promptly respond to your inquiry.