---
product_id: 564947619
title: "Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover Plate Damper as a Fireplace Blocker"
brand: "the chimney balloon"
price: "VT18920"
currency: VUV
in_stock: true
reviews_count: 8
category: "The Chimney Balloon"
url: https://www.desertcart.vu/products/564947619-chimney-balloon-21x10-max-2-ply-inflatable-chimney-pillow-fireplace
store_origin: VU
region: Vanuatu
---

# Inflates easily with pump or mouth Blocks cold drafts & odors Fits 17"x7" to 21"x10" flues Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover Plate Damper as a Fireplace Blocker

**Brand:** the chimney balloon
**Price:** VT18920
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the chill, block the spill — your fireplace’s new best friend! 🎈

## Quick Answers

- **What is this?** Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover Plate Damper as a Fireplace Blocker by the chimney balloon
- **How much does it cost?** VT18920 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/564947619-chimney-balloon-21x10-max-2-ply-inflatable-chimney-pillow-fireplace)

## Best For

- the chimney balloon enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit Seal:** Custom-sized to snugly block chimney flues from 17"x7" up to 21"x10" for maximum draft protection.
- • **Durable & Reusable:** Made from thick, 2-ply material designed to hold air and maintain a tight seal season after season.
- • **Year-Round Comfort:** Stops winter chills and summer odors, keeping your living space cozy and fresh all year long.
- • **Effortless Inflation:** Inflate quickly by mouth or air pump with the included 2-foot tube—no tools or hassle required.
- • **Pollution & Noise Barrier:** Prevents outside smoke, debris, and noise from invading your home, enhancing indoor air quality and peace.

## Overview

The Chimney Balloon 21x10 Max is a 2-ply inflatable draft stopper designed to fit rectangular chimney flues between 17"x7" and 21"x10". It effectively blocks cold drafts, odors, smoke, and noise, improving home comfort and energy efficiency. Easy to inflate by mouth or pump, it offers a reusable, durable alternative to traditional chimney flue covers—perfect for seasonal use but not compatible with active gas log sets.

## Description

Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover Plate Damper as a Fireplace Blocker

Review: Good to stop that winter wind and helps keep that warm heat inside your living area - The insulation was a breeze if fit right up the chimney flute was pretty easy to inflate with the air mattress inflatable. I have had no issues with durability or functionality. I can definitely feel the difference with no draft coming in being that is by my couch. The material seemed of thicker durability. And inflate to the right size to keep a good air seal.
Review: Good quality - Has done a great job stopping the draft in my uncapped fire place. Is deflating some and seems like I will have to reinflate a little more frequently than expected.

## Features

- The 21×10 Chimney Balloon plugs a rectangular chimney flue that is between 17”x7” to 21”x10”. The handle valve is 7” long. Every Chimney Balloon draft stopper includes a two-foot-long inflation tube.
- IMPORTANT - The Chimney Balloon chimney plug CANNOT BE USED in an active GAS LOG SET. For safety, a GAS LOG set would need to be DISABLED or REMOVED in order to use the Chimney Balloon fireplace plug.
- WINTER - The Chimney Balloon fireplace draft stopper blocks cold fireplace drafts and smells from a chimney. Stops heat loss by acting as a chimney plug draft stopper that air seals and insulates.
- SUMMER - In warmer weather the Chimney Balloon Chimney Pillow flue hole cover stops smoky odors, drafts, noise or debris from entering the home.
- DIY - You can inflate the Chimney Balloon fireplace draft blocker by mouth or with an air bed pump. The fireplace balloon is easily deflated and removed when you are ready to use your fireplace.
- The Chimney Balloon chimney blocker creates a chimney seal that prevents the fireplace from snorkeling in outside pollution, roof heat, and smoke from wildfires.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CJJPHPBB |
| Batteries required | No |
| Best Sellers Rank | #298,916 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #356 in Fireplace & Stove Accessories |
| Customer Reviews | 3.7 3.7 out of 5 stars (53) |
| Item Weight | 8 ounces |
| Item model number | CBM21X10 |
| Manufacturer | Chimney Balloon |
| Package Dimensions | 21 x 12 x 10 inches |

## Images

![Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover Plate Damper as a Fireplace Blocker - Image 1](https://m.media-amazon.com/images/I/417awJHgipL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good to stop that winter wind and helps keep that warm heat inside your living area
*by S***N on January 30, 2026*

The insulation was a breeze if fit right up the chimney flute was pretty easy to inflate with the air mattress inflatable. I have had no issues with durability or functionality. I can definitely feel the difference with no draft coming in being that is by my couch. The material seemed of thicker durability. And inflate to the right size to keep a good air seal.

### ⭐⭐⭐⭐ Good quality
*by K***E on December 23, 2025*

Has done a great job stopping the draft in my uncapped fire place. Is deflating some and seems like I will have to reinflate a little more frequently than expected.

### ⭐⭐⭐⭐⭐ Easy to install and remove, great insulation.
*by K***Z on December 3, 2025*

seals off my chimney during the hot summers here in Arizona helps reduce my cooling bill, and helps in the winter when I need to keep out the cold, easy to install and remove when I want to use my fireplace for a nice fire. This is my second one I have bought lasted about six years. Worth the price.

## Frequently Bought Together

- Chimney Balloon 21x10 Max 2-Ply Inflatable Chimney Pillow Fireplace Draft Stopper, Fireplace Cold Air Blocker, Works Better Than a Chimney Flue Cover Plate Damper as a Fireplace Blocker
- Chimney Balloon® 23" Valve/Handle Extension (for Use with Any Size

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**Shop now:** [https://www.desertcart.vu/products/564947619-chimney-balloon-21x10-max-2-ply-inflatable-chimney-pillow-fireplace](https://www.desertcart.vu/products/564947619-chimney-balloon-21x10-max-2-ply-inflatable-chimney-pillow-fireplace)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-05*