---
product_id: 15709060
title: "Empty Refillable Filter Cartridge for 20\" Big Blue Housing"
brand: "hydronix"
price: "1075 kr"
currency: NOK
in_stock: true
category: "Hydronix"
url: https://www.desertcart.no/products/15709060-empty-refillable-filter-cartridge-for-20-big-blue-housing
store_origin: NO
region: Norway
---

# Fits standard 20" Big Blue housing NSF certified for trusted purity Lightweight 1.5 lbs for easy handling Empty Refillable Filter Cartridge for 20" Big Blue Housing

**Brand:** hydronix
**Price:** 1075 kr
**Availability:** ✅ In Stock

## Summary

> 💧 Upgrade your water game with refillable ease!

## Quick Answers

- **What is this?** Empty Refillable Filter Cartridge for 20" Big Blue Housing by hydronix
- **How much does it cost?** 1075 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/15709060-empty-refillable-filter-cartridge-for-20-big-blue-housing)

## Best For

- hydronix enthusiasts

## Why This Product

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

## Key Features

- • **High Flow Rate:** Maintains optimal water flow while removing impurities effectively.
- • **Durable Construction:** Made with carbon and resin for long-lasting filtration performance.
- • **Universal Compatibility:** Designed for 4.5"x20" filters, fits seamlessly into Big Blue housings.
- • **Certified Quality Assurance:** NSF certification guarantees reliable contaminant removal.
- • **Eco-Friendly Refillable Design:** Cut waste and save money by refilling your own filter media.

## Overview

This empty refillable filter cartridge fits standard 20" Big Blue housings and 4.5"x20" filters, offering a durable, eco-conscious solution made from carbon and resin. NSF certified, it ensures high water flow and effective contaminant removal, all while being lightweight and easy to handle.

## Description

Empty Refillable Filter Cartridge for 20" Big Blue Housing - Replacement Furnace Filters - desertcart.com

## Features

- Empty Refillable Filter Cartridge for 20" Big Blue Housing
- For 4.5"x20" Filters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B007ME7QAE |
| Best Sellers Rank | #268,017 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,445 in Furnace Filters |
| Brand | Hydronix |
| Brand Name | Hydronix |
| Customer Reviews | 4.5 out of 5 stars 20 Reviews |
| External Testing Certification | NSF |
| Item Dimensions D x W x H | 4.5"D x 4.5"W x 20"H |
| Item Weight | 1.5 pounds |
| Manufacturer Part Number | B007ME7QAE |
| Material | Carbon,Resin |
| Material Type | Carbon,Resin |
| Model Number | EC-4520W/1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Product Benefits | Removes a wide range of impurities and contaminants while maintaining high water flow rate and offering durable, long-lasting use. Product Benefits Removes a wide range of impurities and contaminants while maintaining high water flow rate and offering durable, long-lasting use. See more |
| Product Dimensions | 4.5"D x 4.5"W x 20"H |
| UPC | 783583354202 |
| Unit Count | 1 Count |

## Product Details

- **External Testing Certification:** NSF
- **Item Weight:** 1.5 pounds
- **Material:** Carbon,Resin
- **Product Dimensions:** 4.5"D x 4.5"W x 20"H

## Images

![Empty Refillable Filter Cartridge for 20" Big Blue Housing - Image 1](https://m.media-amazon.com/images/I/41EgEeGtRYL.jpg)
![Empty Refillable Filter Cartridge for 20" Big Blue Housing - Image 2](https://m.media-amazon.com/images/I/41RO4XPct6L.jpg)
![Empty Refillable Filter Cartridge for 20" Big Blue Housing - Image 3](https://m.media-amazon.com/images/I/41nA2c8wPlL.jpg)

## Frequently Bought Together

- Hydronix EC-4520W White Empty Water Filter Cartridge Durable Construction for Pre Post, Fits Standard Housings 4.5 x 20
- HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy,Blue & White
- Hydronix EC-2510C Clear Empty Standard Size Water Filter Cartridge, Durable Construction Universal Pre/Post Use 2.5 x 10

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**Shop now:** [https://www.desertcart.no/products/15709060-empty-refillable-filter-cartridge-for-20-big-blue-housing](https://www.desertcart.no/products/15709060-empty-refillable-filter-cartridge-for-20-big-blue-housing)

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*Product available on Desertcart Norway*
*Store origin: NO*
*Last updated: 2026-10-21*