---
product_id: 657982493
title: "Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust"
brand: "dreo"
price: "498 kr"
currency: DKK
in_stock: true
reviews_count: 5
category: "Dreo"
url: https://www.desertcart.dk/products/657982493-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers
store_origin: DK
region: Denmark
---

# Neutralizes Ca & Mg ions Smart app lifespan tracking Up to 720 min runtime Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust

**Brand:** dreo
**Price:** 498 kr
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe cleaner, live smarter — upgrade your humidifier game now!

## Quick Answers

- **What is this?** Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S, Prevent Mineral Build-up, Filter Hard Water, Eliminate White Dust by dreo
- **How much does it cost?** 498 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/657982493-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

- • **Smart & Sustainable Usage:** Each cartridge filters up to 150L with real-time lifespan monitoring via the DREO app.
- • **Ionic Demineralization Power:** Advanced 3-layer resin system cuts white dust buildup for pristine air quality.
- • **Extended Humidifier Longevity:** Minimizes wear from mineral buildup, ensuring your device runs longer and stronger.
- • **Healthier Mist, Healthier You:** Softens water to maintain ideal pH and reduce PM 2.5 particles, protecting your skin and lungs.
- • **Effortless Clean & Maintenance:** Prevents mineral deposits inside your humidifier, keeping it spotless and hassle-free.

## Overview

The Dreo Demineralization Cartridge 3-Pack uses ionic exchange technology with a 3-layer resin system to neutralize hard water minerals, significantly reducing white dust and mineral buildup in compatible Dreo humidifiers (HM311/311S, HM524/524S, HM306). Each cartridge supports up to 150 liters of water filtration, extends humidifier lifespan, improves mist quality by maintaining ideal pH and reducing PM 2.5 particles, and integrates with the DREO app for smart lifespan tracking. This pack ensures cleaner air, easier maintenance, and a healthier home environment.

## Description

Dreo Demineralization Cartridge Pads 3-pack

Review: conforme essendo originale
Review: Die Dreo Entmineralisierungskartuschen im 3er-Pack erfüllen ihren Zweck absolut zuverlässig. Seit ich sie in meinem Luftbefeuchter verwende, hat sich das Problem mit weißem Staub deutlich reduziert. Gerade bei hartem Wasser merkt man den Unterschied schnell. Die Kartuschen lassen sich unkompliziert einsetzen und passen perfekt in die kompatiblen Dreo-Modelle. Es tropft nichts, alles sitzt fest und funktioniert sofort ohne zusätzliche Einstellungen. Auch in Bezug auf Mineralablagerungen im Gerät selbst habe ich eine Verbesserung festgestellt. Der Luftbefeuchter bleibt sauberer und wirkt insgesamt wartungsärmer. Das 3er-Pack ist praktisch, da man direkt Ersatz auf Vorrat hat. Fazit: Sehr sinnvolle Ergänzung für Dreo Luftbefeuchter, besonders bei hartem Wasser. Reduziert weißen Staub deutlich und sorgt für saubere Befeuchtung. Klare Kaufempfehlung.

## 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 |
| Best Sellers Rank | #205,645 in Kitchen ( See Top 100 in Kitchen ) #46 in Humidifier Replacement Filters |
| Brand | Dreo |
| Capacity | 5 Liters |
| Color | White |
| Customer Reviews | 4.2 4.2 out of 5 stars (702) |
| Date First Available | 24 July 2024 |
| Item Weight | 358 g |
| Model Number | DR-HPA020 |
| Product Dimensions | 4.7 x 4.7 x 12.9 cm; 358.34 g |
| Runtime | 720 minutes |
| Special Features | ion-exchange demineralization tech |

## Product Details

- **Brand:** Dreo
- **Capacity:** 5 Liters
- **Colour:** White
- **Floor area:** 28 Square Meters
- **Special features:** ion-exchange demineralization tech

## Images

![Demineralization Cartridge 3-Pack for Humidifiers, Compatible with Dreo Humidifiers HM311/311S, 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 P***K on 14 February 2026*

Die Dreo Entmineralisierungskartuschen im 3er-Pack erfüllen ihren Zweck absolut zuverlässig. Seit ich sie in meinem Luftbefeuchter verwende, hat sich das Problem mit weißem Staub deutlich reduziert. Gerade bei hartem Wasser merkt man den Unterschied schnell. Die Kartuschen lassen sich unkompliziert einsetzen und passen perfekt in die kompatiblen Dreo-Modelle. Es tropft nichts, alles sitzt fest und funktioniert sofort ohne zusätzliche Einstellungen. Auch in Bezug auf Mineralablagerungen im Gerät selbst habe ich eine Verbesserung festgestellt. Der Luftbefeuchter bleibt sauberer und wirkt insgesamt wartungsärmer. Das 3er-Pack ist praktisch, da man direkt Ersatz auf Vorrat hat. Fazit: Sehr sinnvolle Ergänzung für Dreo Luftbefeuchter, besonders bei hartem Wasser. Reduziert weißen Staub deutlich und sorgt für saubere Befeuchtung. Klare Kaufempfehlung.

### ⭐⭐⭐⭐⭐ Review
*by K***E on 20 February 2026*

Great filters making a visible change to using the humidifier! They remove the need to clean the device pretty much daily, which is an absolute relief! I’m still on the first one but I’m glad tracking the filter’s longevity in the app is a great convenience!

## 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
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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-02*