---
product_id: 221960172
title: "Pentair Pentek CFB-Plus20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Fibredyne Modified Molded Carbon Block Replacement Cartridge, 20\" x 4.5\", 5-10 Micron"
brand: "pentek"
price: "₪536"
currency: ILS
in_stock: true
reviews_count: 7
url: https://www.desertcart.co.il/products/221960172-pentair-pentek-cfb-plus20bb-big-blue-carbon-water-filter-20
store_origin: IL
region: Israel
---

# 2x taste & odor reduction Fits all 20" Big Blue housings NSF certified for safety Pentair Pentek CFB-Plus20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Fibredyne Modified Molded Carbon Block Replacement Cartridge, 20" x 4.5", 5-10 Micron

**Brand:** pentek
**Price:** ₪536
**Availability:** ✅ In Stock

## Summary

> 💦 Elevate Your Hydration Game!

## Quick Answers

- **What is this?** Pentair Pentek CFB-Plus20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Fibredyne Modified Molded Carbon Block Replacement Cartridge, 20" x 4.5", 5-10 Micron by pentek
- **How much does it cost?** ₪536 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/221960172-pentair-pentek-cfb-plus20bb-big-blue-carbon-water-filter-20)

## Best For

- pentek enthusiasts

## Why This Product

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

## Key Features

- • **Peace of Mind:** NSF International certified, ensuring top-notch quality and safety.
- • **Massive Capacity:** Enjoy up to 50,000 gallons of purified water before replacement.
- • **Transform Your Water:** Experience up to 2x the taste and odor reduction for refreshing hydration.
- • **Innovative Filtration:** Proprietary Fibredyne technology combines sediment and carbon filtration in one.
- • **Universal Compatibility:** Seamlessly fits all 20" Big Blue and other heavy-duty housings.

## Overview

The Pentair Pentek CFB-Plus20BB is a high-performance carbon water filter designed for whole-house filtration. Measuring 20" x 4.5", it features proprietary Fibredyne technology for superior taste and odor reduction, a capacity of 50,000 gallons, and is NSF certified for safety and quality assurance.

## Description

The Pentek Fibredyne CFB-Plus 20-Inch Big Blue Carbon Block Water Filter utilizes patented Fibredyne technology to mold the carbon block, attaching powdered activated carbon onto a cellulose-free fiber matrix. This revolutionary technology combines the benefits of both a sediment filter and a carbon filter into one outstanding filtration product, offering up to twice the dirt-holding capacity and unpleasant taste & odor reduction. Will not release tiny black specks of carbon fines into your filtered water due to a specially formulated post-filtration layer.

## Features

- PREMIUM WATER SOLUTION offers up to 2x the taste & odor reduction and dirt holding capacity of traditional blocks for great tasting water
- FITS ALL 20" Big Blue and other 20" heavy duty housings and can replace any 20" x 4.5" carbon filter cartridge
- PROPRIETARY FIBREDYNE TECHNOLOGY combines benefits of both sediment filter and a carbon block into a single filter cartridge
- NSF INTERNATIONAL tested and certified for your peace of mind
- 50,000 GALLON CAPACITY. Replace every 6 months or when you notice a drop in water pressure or water quality

## Product Details

- **Material:** Polyproplyene
- **Product Dimensions:** 4.5"D x 4.5"W x 20"H
- **Item Weight:** 2.75 Pounds
- **External Testing Certification:** NSF
- **Product Benefits:** Reduces Chlorine

## Images

![Pentair Pentek CFB-Plus20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Fibredyne Modified Molded Carbon Block Replacement Cartridge, 20" x 4.5", 5-10 Micron - Image 1](https://m.media-amazon.com/images/I/71IQ-Wsk6eL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Does what it’s supposed to
  

*by D***N on Reviewed in the United States on December 14, 2022*

Kinds of pricy

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Works good
  

*by D***N on Reviewed in the United States on February 13, 2020*

Works as advertised and makes Phoenix water drinkable.

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Filter Excellent - O-Ring Problem
  

*by E***S on Reviewed in the United States on September 16, 2020*

I've replaced this filter many times over, and it works excellent.  The recommended O-Ring does not fit properly and one has to manipulate (Jerry-rig) it to function.

## Frequently Bought Together

- Pentair Pentek CFB-Plus20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Fibredyne Modified Molded Carbon Block Replacement Cartridge, 20" x 4.5", 5-10 Micron
- Pentair Pentek DGD-2501-20 Big Blue Water Filter, 20-Inch Whole House Sediment Filter Cartridge Replacement, Dual-Gradient Density Spun Polypropylene, 20" x 4.5", 1 Micron, Pack of 1, White
- Captain O-Ring - Replacement 151122 O-Rings Compatible with Pentair Pentek Big Blue Water Filters OEM Size ORing Buna-N (3 Pack)

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**Shop now:** [https://www.desertcart.co.il/products/221960172-pentair-pentek-cfb-plus20bb-big-blue-carbon-water-filter-20](https://www.desertcart.co.il/products/221960172-pentair-pentek-cfb-plus20bb-big-blue-carbon-water-filter-20)

---

*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-03-01*