---
product_id: 452546288
title: "Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20\" x 4.5\", 25 Micron, Pack of 6"
brand: "pentek"
price: "KD 1246.45"
currency: KWD
in_stock: true
url: https://www.desertcart.com.kw/products/452546288-pentair-pentek-rfc-20bb-big-blue-carbon-water-filter-20
store_origin: KW
region: Kuwait
---

# 100,000 gallon capacity Radial flow tech for low pressure drop NSF/ANSI Standard 42 certified Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6

**Brand:** pentek
**Price:** KD 1246.45
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your home’s water game—pure, powerful, and pressure-perfect!

## Quick Answers

- **What is this?** Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6 by pentek
- **How much does it cost?** KD 1246.45 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/452546288-pentair-pentek-rfc-20bb-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

- • **Effortless Flow:** Radial flow design keeps water pressure high while filtering deeply
- • **Whole Home Purity:** Eliminates chlorine taste, odor & sediment for fresher water everywhere
- • **Year-Long Performance:** Filters up to 100,000 gallons before replacement—set it and forget it
- • **Certified Peace of Mind:** NSF/ANSI 42 certification guarantees safety and structural integrity
- • **Plug & Play Compatibility:** Fits standard 20" Big Blue housings for seamless upgrades

## Overview

The Pentair Pentek RFC-20BB is a heavy-duty 20-inch whole house carbon water filter cartridge featuring advanced radial flow technology and granular activated carbon. It reduces chlorine taste, odor, sediment, and contaminants while maintaining optimal water pressure. With a 100,000 gallon capacity, it delivers up to one year of reliable filtration. Compatible with standard 20" Big Blue housings and NSF/ANSI Standard 42 certified, this pack of six ensures cleaner, better-tasting water throughout your home with trusted durability.

## Description

Upgrade your home's water quality with the Pentair Pentek RFC-20BB Whole House Carbon Water Filter. This high-capacity filter utilizes advanced radial flow technology and granular activated carbon (GAC) to effectively reduce chlorine taste and odor, sediment, and other contaminants from your water supply. The unique design ensures low pressure drop and minimizes carbon fines, providing efficient filtration without sacrificing water pressure. With a 100,000 gallon capacity, this filter offers long-lasting performance for up to one year before replacement is needed. Compatible with standard 20" Big Blue filter housings, the RFC-20BB is ideal for whole house filtration systems and point-of-entry applications. Constructed with a 70-micron porous polyethylene outer shell, polypropylene core, and durable endcaps, this filter is built to withstand the demands of whole house filtration. NSF/ANSI Standard 42 certified for material safety and structural integrity, the Pentair Pentek RFC-20BB delivers cleaner, better-tasting water throughout your entire home with confidence and reliability.

## Features

- CLEANER, BETTER-TASTING WATER: Effectively reduces chlorine taste and odor, sediment, and other contaminants for improved water quality throughout your entire home
- HIGH-PERFORMANCE DESIGN: Unique radial flow technology ensures low pressure drop and minimal carbon fines, providing efficient filtration without sacrificing water pressure
- LONG-LASTING FILTRATION: 100,000 gallon capacity offers up to one year of whole house water filtration before replacement is needed
- VERSATILE COMPATIBILITY: Fits standard 20" Big Blue filter housings and replaces most 20" x 4.5" carbon cartridges for easy installation and maintenance
- CERTIFIED QUALITY: NSF/ANSI Standard 42 certified for material safety and structural integrity, ensuring reliable performance and peace of mind

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Polypropylene (PP) Polyethylene (PE) |
| Product Dimensions | 11.4D x 11.4W x 50.8H Centimeters |
| Item Weight | 29.25 Pounds |
| External Testing Certification | NSF |
| Product Benefits | Reduces Sediment |
| Brand | pentek |
| Set Name | Pack of 6 |
| Global Trade Identification Number | 30051678247434 |
| Net Quantity | 6.0 Count |
| Number of Items | 6 |
| Manufacturer | Pentair |
| Item model number | RFC-20BB |
| ASIN | B09MSWW43N |

## Product Details

- **Material:** Polypropylene (PP) Polyethylene (PE)
- **Product Dimensions:** 11.4D x 11.4W x 50.8H Centimeters
- **Item Weight:** 29.25 Pounds
- **External Testing Certification:** NSF
- **Product Benefits:** Reduces Sediment

## Images

![Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6 - Image 1](https://m.media-amazon.com/images/I/61yeSLMKuQL.jpg)
![Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6 - Image 2](https://m.media-amazon.com/images/I/81Nl6X4thyL.jpg)
![Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6 - Image 3](https://m.media-amazon.com/images/I/71U6dVnaq4L.jpg)
![Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6 - Image 4](https://m.media-amazon.com/images/I/718q5kklHcL.jpg)
![Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Carbon (GAC) Filter, 20" x 4.5", 25 Micron, Pack of 6 - Image 5](https://m.media-amazon.com/images/I/71ZZBSPbwML.jpg)

## Frequently Bought Together

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-02-05*