---
product_id: 727966318
title: "Demineralization Cartridge 3-Pack for Humidifiers, Compatible with DREO Humidifiers HM311/311S/306 Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust"
brand: "dreo"
price: "14918 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Dreo"
url: https://www.desertcart.is/products/727966318-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers
store_origin: IS
region: Iceland
---

# 150L water filtered per cartridge 3-layer ionic demineralization system Reduces white dust & mineral buildup Demineralization Cartridge 3-Pack for Humidifiers, Compatible with DREO Humidifiers HM311/311S/306 Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust

**Brand:** dreo
**Price:** 14918 kr
**Availability:** ✅ In Stock

## Summary

> 💨 Elevate your air game—ditch the dust, embrace the mist!

## Quick Answers

- **What is this?** Demineralization Cartridge 3-Pack for Humidifiers, Compatible with DREO Humidifiers HM311/311S/306 Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust by dreo
- **How much does it cost?** 14918 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/727966318-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

- • **Pure Mist, Pure Air:** Advanced ion-exchange tech neutralizes calcium & magnesium for cleaner mist.
- • **Smart Monitoring Ready:** Compatible with DREO app for real-time cartridge lifespan tracking.
- • **Long-Lasting Performance:** Each cartridge supports up to 150L of water, extending your humidifier’s lifespan.
- • **Breathe Healthier, Live Better:** Softens water to maintain ideal pH and reduce harmful PM 2.5 particles.
- • **Effortless Clean, Spotless Space:** Prevents white dust buildup on furniture and inside your humidifier.

## Overview

The DREO Demineralization Cartridge 3-Pack uses a cutting-edge 3-layer ionic resin system to neutralize hard water minerals, preventing white dust and mineral buildup in compatible DREO humidifiers (HM311/311S/306). Each cartridge filters up to 150 liters of water, promoting healthier mist with balanced pH and reduced PM 2.5 particles, while extending humidifier lifespan. Smart app integration allows easy monitoring of cartridge usage, making it a must-have for clean, efficient humidification.

## Description

Shop DREO Demineralization Cartridge 3-Pack for Humidifiers, Compatible with DREO Humidifiers HM311/311S/306 Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust. Free delivery on eligible orders of £20 or more.

Review: conforme essendo originale
Review: Wenn man standardmäßig im Haushalt nur gefiltertes Wasser verwendet, kann man sich die Filter (als Extra) sparen. Ansonsten sind die natürlich zu empfehlen, schon um das Gerät vor Kalkablagerungen zu schützen.

## 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, HM311S, HM524, HM524S

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D87JNCXC |
| Batteries Required? | No |
| Best Sellers Rank | 76,493 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 2 in Humidifier Parts & Accessories |
| Colour | White |
| Customer Reviews | 4.3 4.3 out of 5 stars (584) |
| Date First Available | 28 Sept. 2024 |
| Included Components | Dreo Demineralization Cartridge |
| Item Package Quantity | 1 |
| Item Weight | 358 g |
| Item model number | DR-HPA020 |
| Manufacturer | Dreo |
| Part Number | DR-HPA020 |
| Power Source | Ultrasonic |
| Product Dimensions | 4.7 x 4.7 x 12.9 cm; 358.34 g |
| Size | normal |
| Special Features | ion-exchange demineralization tech |

## Product Details

- **Brand:** Dreo
- **Capacity:** 5 litres
- **Colour:** 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/306 Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust - Image 1](https://m.media-amazon.com/images/I/71LlCIrPKCL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by I***X on 17 December 2025*

conforme essendo originale

### ⭐⭐⭐⭐ Review
*by W***N on 25 October 2025*

Wenn man standardmäßig im Haushalt nur gefiltertes Wasser verwendet, kann man sich die Filter (als Extra) sparen. Ansonsten sind die natürlich zu empfehlen, schon um das Gerät vor Kalkablagerungen zu schützen.

### ⭐⭐⭐⭐⭐ Review
*by A***R on 10 January 2026*

They have cut down the white residue that was being produced. Will definitely be buying more.

## 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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**Shop now:** [https://www.desertcart.is/products/727966318-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers](https://www.desertcart.is/products/727966318-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-23*