---
product_id: 421125442
title: "Purewell PF-3 Black 3-Stage Composite Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Water Filter System and Purewell System (2 Pack, K Series)"
brand: "purewell"
price: "3920839₫"
currency: VND
in_stock: true
reviews_count: 10
category: "Purewell"
url: https://www.desertcart.vn/products/421125442-purewell-pf-3-black-3-stage-composite-purification-elements-replacement
store_origin: VN
region: Vietnam
---

# 0.01μm ultra-fine pore size 6,000 gallons lifespan per pair NSF/ANSI 42 & 372 certified filtration Purewell PF-3 Black 3-Stage Composite Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Water Filter System and Purewell System (2 Pack, K Series)

**Brand:** purewell
**Price:** 3920839₫
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your hydration game with precision filtration that your health deserves!

## Quick Answers

- **What is this?** Purewell PF-3 Black 3-Stage Composite Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Water Filter System and Purewell System (2 Pack, K Series) by purewell
- **How much does it cost?** 3920839₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/421125442-purewell-pf-3-black-3-stage-composite-purification-elements-replacement)

## Best For

- purewell enthusiasts

## Why This Product

- Trusted purewell brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Lasting Freshness:** Each filter pair delivers up to 6,000 gallons of clean water, minimizing replacements and maximizing value.
- • **Seamless Compatibility:** Perfectly fits ProOne® Big+, Berkey® Big+, and Purewell gravity systems with leak-proof design.
- • **Triple-Action Filtration:** Advanced 3-stage composite filter combines activated carbon, silver ion barrier, and UF membrane for superior impurity removal.
- • **Certified Safety Assurance:** Meets NSF/ANSI 42 & 372 standards ensuring lead-free, reliable filtration you can trust daily.
- • **Precision Purification Power:** Ultra-fine 0.01 micron hollow fiber membrane removes 99.9% of contaminants for crystal-clear water.

## Overview

The Purewell PF-3 Black 3-Stage Composite Purification Elements are premium replacement filters designed for ProOne® and Berkey® Big+ water systems. Featuring an ultra-fine 0.01 micron hollow fiber membrane, silver ion barrier, and activated carbon block, these NSF/ANSI certified filters remove 99.9% of chlorine, heavy metals, sediment, and organic compounds. Each 2-pack provides up to 6,000 gallons of clean, safe drinking water with a leak-proof fit, ensuring long-lasting performance and peace of mind for health-conscious users.

## Description

desertcart.com: Purewell PF-3 Black 3-Stage Composite Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Water Filter System and Purewell System (2 Pack, K Series) : Tools & Home Improvement

Review: Great improvement over my pitcher - This was a great investment in my health and well-being. This makes crystal clear ice cubes, makes great coffee, and I even got one for my son and his family for Christmas!
Review: Purwell Filters are gret - Purewell filters work great and for the price I can not complain

## Features

- [Compatible Models] The Purewell 3-Stage Composite Filters can be replacement for ProOne Big+ or Big II Series and Berkey BB9-2 black filters, Travel, Big, Royal, Imperial, Light, Crown Berkey Series. It serves as the original filter for the Purewell gravity water filtration system. Thanks to its exquisite design, this filter achieves great fit and no leakage. The water filter is not sourced by or sponsored by Berkey or ProOne. Purewell is an independent brand.
- [Advanced 3-Stage Filtration] Our composite filter is certified to NSF/ANSI 42, featuring a high-performance, 3-stage filtration technology. It combines a 0.01μm hollow fiber UF membrane, silver ion barrier, and high-density activated carbon block, providing up to 99.9% removal efficiency for chlorine, rust, sediment, organic compounds, and heavy metals. Additionally, the filter meets NSF/ANSI 372 standards for lead-free materials, ensuring safe and reliable filtration for daily use.
- [Technical Innovation] Exceptional Small Pore Size - Purewell’s filtration elements feature an ultra-fine pore size of 0.01 microns, a significant improvement over the typical 0.2 microns found in other brands. This smaller pore size effectively removes 99.9% of contaminants, including ultra-fine particles, thus greatly reducing potential health risks. A finer pore size means greater filtration precision, providing you with cleaner and safer drinking water.
- [Extended Lifespan] Each pair of carbon composite filters provides up to 6,000 gallons of fresh water. For optimal performance, we recommend replacing the filter every 6,000 gallons, though this may vary based on your water quality. Note: TDS levels do not fully indicate water quality, and our filters are not designed to lower TDS levels.
- [Risk-free Purchase] For optimal filtration, please follow the pre-filtration instructions in the manual before installing the filter. If you experience clogging, slow flow, unusual odors, or compatibility issues, please contact us immediately for a free, quick replacement service.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09NPRGM4H |
| Best Sellers Rank | #15,647 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in Replacement Countertop Water Filters |
| Brand | Purewell |
| Customer Reviews | 4.4 4.4 out of 5 stars (374) |
| Date First Available | March 8, 2022 |
| External Testing Certification | ANSI, NSF |
| Item Weight | 1.48 pounds |
| Item model number | K8012 |
| Material | Activated Carbon, Silver Ion, Hollow Fiber UF Membrane |
| Number of Items | 2 |
| Product Benefits | Effectively reduces chlorine, eliminates impurities, and maintains optimal flow rate with smaller filter pore size and long lifespan |
| Product Dimensions | 2.7"D x 2.7"W x 8.6"H |
| Set Name | PF-3 |
| UPC | 799086649837 |
| Unit Count | 2.0 Count |

## Product Details

- **External Testing Certification:** ANSI, NSF
- **Item Weight:** 1.48 Pounds
- **Material:** Activated Carbon, Silver Ion, Hollow Fiber UF Membrane
- **Product Dimensions:** 2.7"D x 2.7"W x 8.6"H

## Images

![Purewell PF-3 Black 3-Stage Composite Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® or Berkey® Big+ Water Filter System and Purewell System (2 Pack, K Series) - Image 1](https://m.media-amazon.com/images/I/71gVN234RjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great improvement over my pitcher
*by I***! on December 31, 2025*

This was a great investment in my health and well-being. This makes crystal clear ice cubes, makes great coffee, and I even got one for my son and his family for Christmas!

### ⭐⭐⭐⭐⭐ Purwell Filters are gret
*by J***E on December 24, 2025*

Purewell filters work great and for the price I can not complain

### ⭐⭐⭐⭐⭐ Good water 💧
*by K***Y on January 16, 2026*

These are great but ill be getting the ones that filter fluoride as well for around the same price

## Frequently Bought Together

- Purewell PB-2 Black 3-Stage Composite Purification Elements, Replacement Filters for ProOne® and Berkey® Filters, ProOne® Big+ or Berkey® Big+ Gravity Water Filter System and Purewell System (2 Pack)
- Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System, NSF/ANSI 42&372 Certification, 304 Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, 2.25G, PW-OB
- Aquatabs 397mg Water Purification Tablets (100 Pack). Water Filtration System for, Camping, Boating, Emergencies, Survival, RVs, and Marine-Use. Easy to Use Treatment and Disinfection.

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-03*