---
product_id: 258317884
title: "AFWFilters CF1-4520-AA-PENTEK 20-inch Single Canister Upgraded PENTEK Big Blue Activated Alumina Fluoride Whole House Filter"
brand: "afwfilters"
price: "828 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/258317884-afwfilters-cf1-4520-aa-pentek-20-inch-single-canister-upgraded
store_origin: PL
region: Poland
---

# 20" filter DIY install 1" connection AFWFilters CF1-4520-AA-PENTEK 20-inch Single Canister Upgraded PENTEK Big Blue Activated Alumina Fluoride Whole House Filter

**Brand:** afwfilters
**Price:** 828 zł
**Availability:** ✅ In Stock

## Summary

> 💦 Filter Your Way to Healthier Living!

## Quick Answers

- **What is this?** AFWFilters CF1-4520-AA-PENTEK 20-inch Single Canister Upgraded PENTEK Big Blue Activated Alumina Fluoride Whole House Filter by afwfilters
- **How much does it cost?** 828 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/258317884-afwfilters-cf1-4520-aa-pentek-20-inch-single-canister-upgraded)

## Best For

- afwfilters enthusiasts

## Why This Product

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

## Key Features

- • **Robust Performance:** Designed for homes with 2-4 bathrooms, ensuring optimal flow rates of 6-8 GPM.
- • **Transform Your Water:** Experience the purity of filtered water with our advanced activated alumina technology.
- • **Effortless Installation:** Say goodbye to complicated setups; our DIY-friendly design makes it a breeze.
- • **Long-lasting Efficiency:** Enjoy up to 12 months of clean water, depending on usage and contaminant levels.
- • **Minimal Flow Restriction:** Our large 1" NPT connection guarantees a smooth, uninterrupted water flow.

## Overview

The AFWFilters CF1-4520-AA-PENTEK is a high-performance 20-inch single canister whole house filter designed to effectively remove lead, arsenic, and fluoride from your water supply. With a robust 1" connection and DIY installation, this filter is perfect for homes with multiple bathrooms, ensuring a steady flow of clean water for up to a year.

## Description

AFWFilters CF1-4520-AA-PENTEK 20-inch Single Canister Upgraded PENTEK Big Blue Activated Alumina Fluoride Whole House Filter

## Features

- Complete System - Mounting Bracket, PENTEK Housing with 1" In/Out, Housing Wrench, Activated Alumina Filter (5µ)
- Standard-flow System - Designed for homes with 2-4 bathrooms and 6-8 GPM of flow rate. 20" Big Blue Filter - 4. 5" diameter Big Blue filters outperform standard 2. 5" filters. Filter will typically last 6-12 months depending on contaminant levels and amount of water used.
- Activated Alumina - Removes lower levels of lead, arsenic, and fluoride from your water without adding any harmful chemicals or substances to the water.
- 1" Connection - Large NPT connection for minimal flow restriction. Pressure Release - Provides simple pressure let off to reduce water spray when changing filters.
- DIY Installation - Simple in/out connection and installation instructions allow most home owners to install these systems on their own.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AFW Filters |
| Part number | CF1-4520-AA-PENTEK |
| Item Weight | 8.3 Kilograms |
| Product Dimensions | 50.8 x 11.43 x 11.43 cm; 8.3 kg |
| Item model number | CF1-4520-AA-PENTEK |
| Color | Blue |
| Material | Alumina |
| Item Package Quantity | 1 |
| Included components | whole house filter |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![AFWFilters CF1-4520-AA-PENTEK 20-inch Single Canister Upgraded PENTEK Big Blue Activated Alumina Fluoride Whole House Filter - Image 1](https://m.media-amazon.com/images/I/51YrpHXy-CL.jpg)
![AFWFilters CF1-4520-AA-PENTEK 20-inch Single Canister Upgraded PENTEK Big Blue Activated Alumina Fluoride Whole House Filter - Image 2](https://m.media-amazon.com/images/I/51E4lcj4BUL.jpg)

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**Shop now:** [https://www.desertcart.pl/products/258317884-afwfilters-cf1-4520-aa-pentek-20-inch-single-canister-upgraded](https://www.desertcart.pl/products/258317884-afwfilters-cf1-4520-aa-pentek-20-inch-single-canister-upgraded)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-02-10*