---
product_id: 54891050
title: "Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch"
brand: "express water"
price: "$192"
currency: NZD
in_stock: true
reviews_count: 10
category: "Express Water"
url: https://www.desertcart.nz/products/54891050-express-water-granular-activated-carbon-replacement-filter-whole-house-replacement
store_origin: NZ
region: New Zealand
---

# Coconut shell carbon freshness Fits standard 4.5” x 20” housings 5 micron filtration precision Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch

**Brand:** express water
**Price:** $192
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your home’s hydration game with crystal-clear confidence!

## Quick Answers

- **What is this?** Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch by express water
- **How much does it cost?** $192 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/54891050-express-water-granular-activated-carbon-replacement-filter-whole-house-replacement)

## Best For

- express water enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Filter Swaps:** Quick-change cartridges designed for hassle-free replacement—keep your water flowing flawlessly.
- • **Long-Lasting Performance:** Filters up to 100,000 gallons or 6–12 months, ensuring reliable, high-capacity water purification.
- • **Nature-Powered Freshness:** Premium granular activated carbon made from coconut shells enhances taste and filtration surface area.
- • **Universal Fit, Instant Upgrade:** Standard 4.5” x 20” size fits all major whole house systems—no guesswork, just pure convenience.
- • **Whole Home Purity, Zero Compromise:** Advanced 3-stage filtration removes harmful impurities for crisp, fresh water from every tap.

## Overview

Express Water’s Granular Activated Carbon Replacement Filter is a high-capacity, 5-micron whole house water filter designed to fit all standard 4.5” x 20” housings. Utilizing coconut shell carbon granules, it delivers superior filtration that removes impurities and improves water taste. With a lifespan of up to 100,000 gallons or 6–12 months, this easy-to-replace cartridge ensures consistent, fresh water throughout your home while protecting appliances and reducing energy costs.

## Description

Buy Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch: Replacement Under-Sink Water Filters - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Works for PFAS - Great cartridge, test results shoed PFAS before and none after. Would recommend for minor PFAS mitigation
Review: Dependable, Quality Whole-House Filters - I have a whole-house system with (3) 4.5x20 cartridges and (1) 4.5x10 pre-filter installed for 3-years. I have tried a few brands but have settled on these Express Water filters for their consistency, good life and dependable fit. I will continue to purchase.

## Features

- Whole House Water Filter System: Reduce harmful impurities from your entire home’s water with Express Water’s 3 Stage whole house water filtration system and easy to replace water filter replacement cartridges. Easy to Replace Water Filter Cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running.
- Granular Activated Carbon Water Filter: Efficiently arranged carbon granules maximizes filtration surface area in your whole home water filtration system. Coconut shell carbon provides an added layer of water filtration with the freshest taste. Universal Standard Size Water Filters: Take the guessing out of replacing your water filters. Express Water’s whole house replacement filters fit all standard 4.5” x 20” whole home water filter system housings.
- Long Lasting Water Filtration: Granular Activated Carbon replacement water filters have a life cycle of 100,000 gallons or 6–12 months depending on incoming water quality, providing your home with reliable whole home water filtration. High Quality Whole Home Water Filter: Express Water’s GAC replacement filter means no more worrying about your home’s water. With specially engineered high flow filtration you can have crisp clean drinking water from any faucet with no drop in your water pressure.
- Reliable Water Filtration: Help your business prevent costly build up of rust and other damaging sediments, give healthier water to your pets, extend the life of your home appliances, reduce the energy cost, and more with Express Water’s whole home filtration systems.
- Express Water Replacement Filters: Express Water has all your whole house filtration needs covered. Choose from a variety of filter options, all designed to meet the highest filtration standards. On Demand Support: Support from experts who can answer any of your questions about your Express Water whole home water filter system.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01LZ43U21 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #147,565 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,048 in Replacement Under-Sink Water Filters |
| Brand | EXPRESS WATER |
| Color | White |
| Customer Reviews | 4.4 4.4 out of 5 stars (137) |
| Date First Available | September 12, 2016 |
| EU Spare Part Availability Duration | 12 Months |
| External Testing Certification | ANSI, NSF |
| Global Trade Identification Number | 00641990965698 |
| Included Components | Granular activated carbon whole house replacement filter |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 5 pounds |
| Item model number | FLTWH2045G |
| Manufacturer | Express Water |
| Material | Activated Carbon,Carbon,Coconut Shell |
| Number of Items | 1 |
| Part Number | FLTWH2045G |
| Product Benefits | Removes impurities, provides fresh taste, extends appliance life, reduces energy cost, ensures reliable water filtration |
| Product Dimensions | 4.5"D x 4.5"W x 20"H |
| Set Name | Granular Activated Carbon |
| Size | 1 Count (Pack of 1) |
| UPC | 641990965698 |
| Unit Count | 1.0 Count |

## Product Details

- **External Testing Certification:** ANSI, NSF
- **Item Weight:** 5 Pounds
- **Material:** Activated Carbon,Carbon,Coconut Shell
- **Product Dimensions:** 4.5"D x 4.5"W x 20"H

## Images

![Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch - Image 1](https://m.media-amazon.com/images/I/31dnhBx0eBL.jpg)
![Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch - Image 2](https://m.media-amazon.com/images/I/41cI-BeqdRL.jpg)
![Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch - Image 3](https://m.media-amazon.com/images/I/5153e8E42OL.jpg)
![Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch - Image 4](https://m.media-amazon.com/images/I/517OqfG-zZL.jpg)
![Express Water – Granular Activated Carbon Replacement Filter – Whole House Replacement Water Filter – GAC High Capacity Water Filter – 5 Micron Water Filter – 4.5” x 20” inch - Image 5](https://m.media-amazon.com/images/I/51B9WEy3zwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works for PFAS
*by A***R on July 15, 2025*

Great cartridge, test results shoed PFAS before and none after. Would recommend for minor PFAS mitigation

### ⭐⭐⭐⭐⭐ Dependable, Quality Whole-House Filters
*by Y***K on April 14, 2023*

I have a whole-house system with (3) 4.5x20 cartridges and (1) 4.5x10 pre-filter installed for 3-years. I have tried a few brands but have settled on these Express Water filters for their consistency, good life and dependable fit. I will continue to purchase.

### ⭐⭐⭐⭐ works well
*by E***. on April 11, 2019*

Works very well but need to change out faster than expected

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-23*