---
product_id: 649389705
title: "Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S/524/524S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust"
brand: "dreo"
price: "R665"
currency: ZAR
in_stock: true
reviews_count: 13
category: "Dreo"
url: https://www.desertcart.co.za/products/649389705-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers
store_origin: ZA
region: South Africa
---

# 150L water filtration capacity 3-layer ionic demineralization system Reduces PM 2.5 & white dust buildup Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S/524/524S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust

**Brand:** dreo
**Price:** R665
**Availability:** ✅ In Stock

## Summary

> 💨 Elevate your air game — breathe cleaner, live smarter!

## Quick Answers

- **What is this?** Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S/524/524S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust by dreo
- **How much does it cost?** R665 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/649389705-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers)

## Best For

- dreo enthusiasts

## Why This Product

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

## Key Features

- • **No More White Dust:** Prevents annoying mineral residue on furniture and inside your humidifier for effortless maintenance.
- • **Pure Mist, Pure Air:** Advanced ion-exchange tech neutralizes hard water minerals for cleaner, healthier mist.
- • **Smart & Sustainable:** Each cartridge filters up to 150L of water and syncs with the DREO app for real-time lifespan monitoring.
- • **Breathe Easy, Live Better:** Softens water to maintain ideal pH and reduce harmful airborne particles, protecting your respiratory health.
- • **Extend Your Humidifier’s Life:** Minimizes mineral buildup that can cause early device malfunctions, ensuring long-term performance.

## Overview

The DREO Demineralization Cartridge 3-Pack uses a cutting-edge 3-layer ionic resin system to neutralize calcium and magnesium ions, significantly reducing white dust and mineral buildup in compatible DREO humidifiers (HM311/311S/524/524S). Designed to soften water and maintain an ideal pH, it promotes healthier mist that protects skin and respiratory health. Each cartridge filters up to 150 liters of water and integrates with the DREO app for convenient lifespan tracking, extending your humidifier’s efficiency and lifespan while simplifying maintenance.

## Description

Buy DREO Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S/524/524S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust: Everything Else - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Nice Clean mist - I am sure these help. Easy install - read the review! - Bought these to go with our new DREO humidifier. We are on well water but also have 2 stage filter and use Brita filtered water. I wanted an extra layer of "clean". 1 week in and these cartridges seem to work very well - no residues and the mist smells very clean. We shall see how long they last. PRO-TIP: I've seen reviews stating these don't fit =- there is a small screen filter on the original unit - you have to remove that screen and these pop right in!
Review: Residuals - When I initially bought the dreo room humidifier it was mentioned that I could use a demineralization cartridge or a clean air one because I have soft water I went with the clean Air filter when I initially got the unit it had like a little lid {see pix} where the cartridges pops in the place it actually works better without these in my own opinion... My water is different I have soft water my room's different probably than most people I do recommend that you get these for safe measure but I don't know why you would want to sell a demineralization cartridge if it blows out white powder according to what others have said in their reviews that it blows white dust everywhere that did not happen to me because I did not pick the demineralization one I couldn't make no sense of it so I called the actual company but I purchased them off desertcart three days of using the filter my machine had orange gunk in it prior to that I could run it for days with no gunk using regular soft tap water & no filter now I don't know if I wasted my money or if I'm best just to put the little cap that it came with back on after I going to give these filters a second chance after a full clean of the unit because if it's a filter mold got to it quick... For me it ran better with jus the little cap that came with it you don't have to clean these cartridges but on the initial install I was told by the company when I registered with them to make sure you rinse them well before you put them in your machine So the ease of cleaning those was pretty easy the fit went very well jus pops in the unit itself is top shelf quality I run mine on level 3 to get the most of the humidity due to my lung issues it makes the temperature of my room a little bit cooler & much easier to breathe with lung conditions the humidity level the smart part of the machine the base unit lets me know by digital readout how the humidity level is fairing make sure to read the directions at the moment I can't tell you how long these filters last but I do remember it was a good amount of time I don't think I will buy these anymore I will come back to update if the orange mold keeps showing up then I may not use these ever again and just use the cap... I was cleaning it ever 3 days as it runs nonstop in my room so I don't know if these are good idea or not many consumers has stated in reviews on the unit that one cartridge of certain flavor/demineralization will put white residue all over the area my experience with these filters is after 3 days I had to tear it down which is no easy task & clean out the gunk so I'm not breathing that orange mold let alone the ick but if you have hard water it speaks & acts different as in said above 3 for $18 is not bad it's the same price thru dreo or dreo store on desertcart

## Features

- 𝗜𝗼𝗻𝗶𝗰 𝗗𝗲𝗺𝗶𝗻𝗲𝗿𝗮𝗹𝗶𝘇𝗮𝘁𝗶𝗼𝗻: Using a large surface hydrogen resin and a 3-layer clearing system, this demineralization cartridge can neutralize heavy metals such as calcium and magnesium ions in water, reducing the white dust buildup of traditional humidifiers.
- 𝗛𝗲𝗮𝗹𝘁𝗵𝗶𝗲𝗿 𝗠𝗶𝘀𝘁, 𝗛𝗲𝗮𝗹𝘁𝗵𝗶𝗲𝗿 𝗟𝗶𝗳𝗲: By softening the water quality used to produce mist, this demineralization cartridge maintains an ideal pH balance that is better for the skin while reducing the presence of PM 2.5 particles, which helps protect your respiratory tract.
- 𝗟𝗲𝘀𝘀 𝗪𝗵𝗶𝘁𝗲 𝗗𝘂𝘀𝘁, 𝗘𝗮𝘀𝗶𝗲𝗿 𝘁𝗼 𝗖𝗹𝗲𝗮𝗻: Avoid the formation of white dust inside the humidifier and around your furniture thanks to the ionic demineralization process.
- 𝗘𝘅𝘁𝗲𝗻𝗱 𝗬𝗼𝘂𝗿 𝗛𝘂𝗺𝗶𝗱𝗶𝗳𝗶𝗲𝗿 𝗟𝗶𝗳𝗲𝘀𝗽𝗮𝗻: White dust buildup often reduces performance and leads to early malfunctions in humidifiers, using a high-efficiency cartridge helps minimize these risks.
- 𝗠𝗼𝗿𝗲 𝗦𝘂𝘀𝘁𝗮𝗶𝗻𝗮𝗯𝗹𝗲: One cartridge can clear up to 150L of water. When connected to smart humidifiers, you can monitor the cartridge lifespan through the DREO app.
- 𝗖𝗼𝗺𝗽𝗮𝘁𝗶𝗯𝗹𝗲 𝗠𝗼𝗱𝗲𝗹𝘀: DREO HM311/311S, HM524/524S, HM306

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D87JNCXC |
| Batteries required | No |
| Best Sellers Rank | #1,262 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #8 in Humidifier Accessories |
| Brand | Dreo |
| Color | White |
| Customer Reviews | 4.3 4.3 out of 5 stars (832) |
| Floor Area | 28 Square Meters |
| Included Components | DREO Demineralization Cartridge |
| Item Weight | 12.6 ounces |
| Item model number | DR-HPA020 |
| Manufacture Year | 2024 |
| Manufacturer | DREO |
| Model Name | DR-HPA020 |
| Operation Mode | Manual |
| Product Dimensions | 1.85"D x 1.85"W x 5.08"H |
| Room Type | Bedroom, Living Room, Office |
| Special Feature | ion-exchange demineralization tech |
| UPC | 810142853019 |

## Product Details

- **Brand:** Dreo
- **Capacity:** 5 Liters
- **Color:** White
- **Floor Area:** 28 Square Meters
- **Special Feature:** ion-exchange demineralization tech

## Images

![Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S/524/524S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust - Image 1](https://m.media-amazon.com/images/I/71LlCIrPKCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice Clean mist - I am sure these help. Easy install - read the review!
*by T***Y on January 19, 2026*

Bought these to go with our new DREO humidifier. We are on well water but also have 2 stage filter and use Brita filtered water. I wanted an extra layer of "clean". 1 week in and these cartridges seem to work very well - no residues and the mist smells very clean. We shall see how long they last. PRO-TIP: I've seen reviews stating these don't fit =- there is a small screen filter on the original unit - you have to remove that screen and these pop right in!

### ⭐⭐⭐⭐⭐ Residuals
*by M***D on August 9, 2025*

When I initially bought the dreo room humidifier it was mentioned that I could use a demineralization cartridge or a clean air one because I have soft water I went with the clean Air filter when I initially got the unit it had like a little lid {see pix} where the cartridges pops in the place it actually works better without these in my own opinion... My water is different I have soft water my room's different probably than most people I do recommend that you get these for safe measure but I don't know why you would want to sell a demineralization cartridge if it blows out white powder according to what others have said in their reviews that it blows white dust everywhere that did not happen to me because I did not pick the demineralization one I couldn't make no sense of it so I called the actual company but I purchased them off Amazon three days of using the filter my machine had orange gunk in it prior to that I could run it for days with no gunk using regular soft tap water & no filter now I don't know if I wasted my money or if I'm best just to put the little cap that it came with back on after I going to give these filters a second chance after a full clean of the unit because if it's a filter mold got to it quick... For me it ran better with jus the little cap that came with it you don't have to clean these cartridges but on the initial install I was told by the company when I registered with them to make sure you rinse them well before you put them in your machine So the ease of cleaning those was pretty easy the fit went very well jus pops in the unit itself is top shelf quality I run mine on level 3 to get the most of the humidity due to my lung issues it makes the temperature of my room a little bit cooler & much easier to breathe with lung conditions the humidity level the smart part of the machine the base unit lets me know by digital readout how the humidity level is fairing make sure to read the directions at the moment I can't tell you how long these filters last but I do remember it was a good amount of time I don't think I will buy these anymore I will come back to update if the orange mold keeps showing up then I may not use these ever again and just use the cap... I was cleaning it ever 3 days as it runs nonstop in my room so I don't know if these are good idea or not many consumers has stated in reviews on the unit that one cartridge of certain flavor/demineralization will put white residue all over the area my experience with these filters is after 3 days I had to tear it down which is no easy task & clean out the gunk so I'm not breathing that orange mold let alone the ick but if you have hard water it speaks & acts different as in said above 3 for $18 is not bad it's the same price thru dreo or dreo store on Amazon

### ⭐⭐⭐⭐⭐ A Must-Have for Cleaner, Healthier Humidification!
*by R***O on May 5, 2025*

I am beyond impressed with the Dreo Demineralization Cartridge 3-Pack! These cartridges work wonders in preventing mineral build-up and eliminating white dust, making my humidifier run more efficiently and keeping the air in my home fresh and clean. The three-layer filtration system ensures that hard water contaminants are filtered out, resulting in a healthier mist—perfect for those with sensitive sinuses or respiratory concerns. Installation was effortless, and I love that each cartridge lasts up to 150 liters of water, meaning fewer replacements and more convenience. The Dreo app integration is a fantastic bonus, allowing me to monitor the cartridge lifespan with ease. If you're looking to extend the life of your humidifier and improve air quality, this is an absolute game-changer! Highly recommend!

## Frequently Bought Together

- Dreo Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S/524/524S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust
- Dreo Humidifiers for Bedroom, Top Fill 4L Supersized Cool Mist Humidifier, 32H Runtime, 28 dB Quiet Ultrasonic Air Humidifier for Large Room, Plants, Baby Nursery, Indoor, Night Light, Easy to Clean
- Dreo 6L Top Fill Humidifiers for Bedroom, 60H Runtime, 28 dB Quiet Supersized Cool Mist Humidifiers for Large Room, Air Humidifier for Home, Baby, Plant, Indoor, Night Light, Ultrasonic

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-02-11*