---
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: "€ 67.09"
currency: EUR
in_stock: true
reviews_count: 5
category: "Dreo"
url: https://www.desertcart.sk/products/657982493-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers
store_origin: SK
region: Slovakia
---

# Filters up to 150L water per cartridge Neutralizes calcium & magnesium ions Reduces PM 2.5 for healthier mist 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:** € 67.09
**Availability:** ✅ In Stock

## Summary

> 💨 Clear the air, not your schedule — upgrade to smarter, cleaner mist!

## 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?** € 67.09 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/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

- • **Effortless Maintenance:** Prevents white dust accumulation, keeping your humidifier and home spotless.
- • **Smart Monitoring Ready:** Compatible with DREO app to track cartridge usage and replacement timing.
- • **Ionic Demineralization Power:** Advanced 3-layer resin system eliminates mineral buildup and white dust.
- • **Breathe Cleaner, Live Healthier:** Softens water to maintain ideal pH and reduce harmful airborne particles.
- • **Maximize Your Humidifier’s Lifespan:** Protects internal components from mineral damage for longer-lasting performance.

## 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 PM 2.5 particles. Designed for Dreo humidifiers HM311/311S and compatible models, each cartridge filters up to 150 liters of water, extending device lifespan and improving air quality. Smart app integration allows real-time monitoring of cartridge life, making maintenance effortless and ensuring healthier mist for your home and skin.

## Description

Dreo Demineralization Cartridge Pads 3-pack

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 HM311/311S, HM524/524S, HM306

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D87JNCXC |
| Best Sellers Rank | #181,256 in Kitchen ( See Top 100 in Kitchen ) #38 in Humidifier Replacement Filters |
| Brand | Dreo |
| Capacity | 5 Liters |
| Color | White |
| Customer Reviews | 4.3 4.3 out of 5 stars (584) |
| 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 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sk/products/657982493-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers](https://www.desertcart.sk/products/657982493-demineralization-cartridge-3-pack-for-humidifiers-compatible-with-dreo-humidifiers)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-26*