---
product_id: 234144003
title: "Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch"
brand: "boao"
price: "₩44676"
currency: KRW
in_stock: true
reviews_count: 13
category: "Boao"
url: https://www.desertcart.kr/products/234144003-boao-40-pack-humidifier-cotton-filter-refill-stick-portable-5
store_origin: KR
region: South Korea
---

# Superior water absorption 5.3-inch optimal length 40-pack for long-lasting use Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch

**Brand:** boao
**Price:** ₩44676
**Availability:** ✅ In Stock

## Summary

> 💨 Stay fresh, stay ahead—never let dry air slow your flow!

## Quick Answers

- **What is this?** Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch by boao
- **How much does it cost?** ₩44676 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/234144003-boao-40-pack-humidifier-cotton-filter-refill-stick-portable-5)

## Best For

- boao enthusiasts

## Why This Product

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

## Key Features

- • **Durable & Compatible:** Made from high-quality, water-insoluble cotton that resists clogging and supports a variety of perfumes and water-based solutions for a personalized ambiance.
- • **Effortless Swap & Go:** Quick to install and replace—get your humidifier back to peak performance in seconds without any hassle or downtime.
- • **Advanced Water Absorption Tech:** Engineered with uniform pores and strong elasticity, these filters maximize moisture retention and ensure steady, efficient evaporation.
- • **Bulk Supply, Zero Interruptions:** 40 premium cotton filter sticks to keep your humidifier running non-stop—perfect for busy professionals who value consistency.
- • **Perfectly Sized for Versatility:** At 5.3 inches long and 0.3 inches in diameter, these sticks fit most portable humidifiers, making them your go-to travel and office essential.

## Overview

The Boao 40 Pack Humidifier Cotton Filter Refill Sticks offer a bulk supply of 5.3-inch high-quality cotton filters designed for superior water absorption and easy replacement. Ideal for office, bedroom, or travel use, these durable sticks ensure your humidifier operates efficiently with minimal maintenance, supporting various water-based scents and enhancing your environment with consistent moisture.

## Description

Free delivery and returns on all eligible orders. Shop Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch.

Review: Thanks 🙏 - Thanks
Review: I purchased. But not yet used - compared to the humidifier stick I got along with the humidifier, this was small in length. I am not sure it will be good enough for my smart devil H2O humidifier. Not yet used.

## Features

- Sufficient quantity: you will get 40 pieces white humidifier filter wicks, each one is approx. 13.5 cm/ 5.3 inch in length and 0.3 inch in diameter, enough quantity to meet most of your needs; Practical tools for office, room and travel use
- Good water absorption: the humidifier filter stick is characterized by good elasticity, uniform pore distribution, strong water absorption, good storage capacity and volatilization stability
- Quality material: the humidifier stick is made of filter material, insoluble in water and not easy to stick, supports most kinds of perfume, liquid and other water solvents, help your humidifier work better
- Easy to use: humidifier wicks are simple to remove and install, allow you to finish installation in few seconds, please soak a filter stick to be wet completely before inserting to the humidifier; It is recommended to use tap water and don't drip in essential oils to be soaked (if necessary, adding a small amount of essential oil is acceptable)
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08D7TLVZH |
| Best Sellers Rank | 542,908 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 25 in Humidifier Parts & Accessories |
| Brand | Boao |
| Brand Name | Boao |
| Colour | White |
| Control Method | Touch |
| Customer Reviews | 4.2 out of 5 stars 2,349 Reviews |
| Filter Type | Cotton filter |
| Included Components | 40 pieces of humidifier sticks filters |
| Item Dimensions D x W x H | 100D x 8W x 100H millimetres |
| Item Shape | Cylindrical |
| Manufacturer | Boao |
| Material | cotton material |
| Model Name | 813fd21f-433b-44e2-b02c-687237b9386f |
| Model Number | 813fd21f-433b-44e2-b02c-687237b9386f |
| Number of Packs | 1 |
| Operation Mode | Evaporative |
| Operation mode | Evaporative |
| Other Special Features of the Product | Easy filter replacement |
| Part Number | 813fd21f-433b-44e2-b02c-687237b9386f |
| Power Source | Usb Powered |
| Product dimensions | 100D x 8W x 100H millimetres |
| Room Type | Bedroom, Office |
| Room type | Bedroom, Office |
| Special feature | Easy filter replacement |

## Product Details

- **Brand:** Boao
- **Colour:** White
- **Operation mode:** Evaporative
- **Product dimensions:** 100D x 8W x 100H millimetres
- **Special feature:** Easy filter replacement

## Images

![Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch - Image 1](https://m.media-amazon.com/images/I/61elSIf5NKL.jpg)
![Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch - Image 2](https://m.media-amazon.com/images/I/81sP6AR3bSL.jpg)
![Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch - Image 3](https://m.media-amazon.com/images/I/61Yd8JbUOGL.jpg)
![Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch - Image 4](https://m.media-amazon.com/images/I/71gAUQdxv7L.jpg)
![Boao 40 Pack Humidifier Cotton Filter Refill Stick Portable, 5.3 Inch - Image 5](https://m.media-amazon.com/images/I/41HA9FIwgGL.jpg)

## Questions & Answers

**Q: The top of the filter has gone blue after a while of use, what does that mean?**
A: The top of the filter turns blue, indicating that it needs to be replaced, which may be mold caused by long-term use. We recommend that you use pure water, as poor water quality will shorten the use time.

**Q: Are these compatible with a smart devil humidifier?**
A: This humidifier cotton core is a universal version, and any model can be used.

**Q: Can I use them for braoses brand humidifier?**
A: Yes, this product is suitable for all humidifiers.

**Q: What is the length and circumference of individual filter please?**
A: Diam =7mm
Length=  13.5 cm

## Customer Reviews

### ⭐⭐⭐⭐⭐ Thanks 🙏
*by M***S on 22 July 2025*

Thanks

### ⭐⭐⭐⭐ I purchased. But not yet used
*by N***U on 25 April 2022*

compared to the humidifier stick I got along with the humidifier, this was small in length. I am not sure it will be good enough for my smart devil H2O humidifier. Not yet used.

### ⭐⭐⭐⭐⭐ Right size
*by H***L on 3 May 2025*

Great took some sorting to get right size

## Frequently Bought Together

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- 24 Pieces Humidifier Sticks Filter Replacement Wick Humidifiers Filter Sticks Humidifiers Refill Sticks for Cool Mist Humidifiers Portable Diffuser USB Mini Humidifier （5.35 Inches）

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**Shop now:** [https://www.desertcart.kr/products/234144003-boao-40-pack-humidifier-cotton-filter-refill-stick-portable-5](https://www.desertcart.kr/products/234144003-boao-40-pack-humidifier-cotton-filter-refill-stick-portable-5)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-10-05*