---
product_id: 38448952
title: "Butterfly Backdraft Damper (4 Inch) (BD 4)"
brand: "hvac express"
price: "A$81"
currency: AUD
in_stock: true
reviews_count: 1
url: https://www.desertcart.com.au/products/38448952-butterfly-backdraft-damper-4-inch-bd-4
store_origin: AU
region: Australia
---

# Butterfly Backdraft Damper (4 Inch) (BD 4)

**Brand:** hvac express
**Price:** A$81
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Butterfly Backdraft Damper (4 Inch) (BD 4) by hvac express
- **How much does it cost?** A$81 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/38448952-butterfly-backdraft-damper-4-inch-bd-4)

## Best For

- hvac express enthusiasts

## Why This Product

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

## Description

Butterfly Backdraft Damper (4 Inch) (BD 4)

## Features

- Backdraft damper with lightweight blades and foam closure shutter for quiet closure     Proven design to protect against backdraft in your appliance venting     Vertical or horizontal mounting, with one end crimped     Heavy-duty 26 gauge galvanized metal     Made in the USA    ›See more product details

## Images

![Butterfly Backdraft Damper (4 Inch) (BD 4) - Image 1](https://m.media-amazon.com/images/I/21RrChYDfXL.jpg)
![Butterfly Backdraft Damper (4 Inch) (BD 4) - Image 2](https://m.media-amazon.com/images/I/61mbnnLQeWL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Recommended
  

*by J***. on Reviewed in the United States on October 16, 2020*

Well made and exactly what I was anticipating.

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**Shop now:** [https://www.desertcart.com.au/products/38448952-butterfly-backdraft-damper-4-inch-bd-4](https://www.desertcart.com.au/products/38448952-butterfly-backdraft-damper-4-inch-bd-4)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-22*