---
product_id: 404067305
title: "WENCHENG 4 Inch Backdraft Damper, 2PCS Inline Springs Loaded Backflow Preventer Backflow Shutter, One-Way Airflow Ducting Insert for 4”Ducting in Range Hoods and Bathrooms Fans"
price: "A$47"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/404067305-wencheng-4-inch-backdraft-damper-2pcs-inline-springs-loaded-backflow
store_origin: AU
region: Australia
---

# WENCHENG 4 Inch Backdraft Damper, 2PCS Inline Springs Loaded Backflow Preventer Backflow Shutter, One-Way Airflow Ducting Insert for 4”Ducting in Range Hoods and Bathrooms Fans

**Price:** A$47
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** WENCHENG 4 Inch Backdraft Damper, 2PCS Inline Springs Loaded Backflow Preventer Backflow Shutter, One-Way Airflow Ducting Insert for 4”Ducting in Range Hoods and Bathrooms Fans
- **How much does it cost?** A$47 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/404067305-wencheng-4-inch-backdraft-damper-2pcs-inline-springs-loaded-backflow)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

WENCHENG 4 Inch Backdraft Damper, 2PCS Inline Springs Loaded Backflow Preventer Backflow Shutter, One-Way Airflow Ducting Insert for 4”Ducting in Range Hoods and Bathrooms Fans

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Electric Fan Design | Exhaust Fan |
| Style Name | Modern |
| Color | silver |
| Blade Material | Aluminum |
| Material Type | Alloy Steel |
| Switch Type | Push Button |
| Indoor Outdoor Usage | Indoor |
| Control Method | Touch |
| Is Electric | No |
| Number of Blades | 2 |
| Room Type | Kitchen |
| Additional Features | Spring-Loaded Folding Blades, Galvanized Steel, Aluminium |
| Recommended Uses For Product | Air Circulation |
| Controller Type | Button Control |

## Product Details

- **Brand:** YOUNTHYE
- **Color:** silver
- **Electric fan design:** Exhaust Fan
- **Style:** Modern
- **Room Type:** Bathroom
- **Recommended Uses For Product:** Ventilating
- **Included Components:** 2 x 4 Inch Backdraft Damper
- **Indoor/Outdoor Usage:** Indoor
- **Model Name:** 4 Inch Backdraft Damper
- **Control Method:** Touch

## Images

![WENCHENG 4 Inch Backdraft Damper, 2PCS Inline Springs Loaded Backflow Preventer Backflow Shutter, One-Way Airflow Ducting Insert for 4”Ducting in Range Hoods and Bathrooms Fans - Image 1](https://m.media-amazon.com/images/I/610wrFNolqL.jpg)

## Frequently Bought Together

- YOUNTHYE 4 Inch Backdraft Damper, 2PCS Inline Springs Loaded Backflow Preventer Backflow Shutter, One-Way Airflow Ducting Insert for 4”Ducting in Range Hoods and Bathrooms Fans
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**Shop now:** [https://www.desertcart.com.au/products/404067305-wencheng-4-inch-backdraft-damper-2pcs-inline-springs-loaded-backflow](https://www.desertcart.com.au/products/404067305-wencheng-4-inch-backdraft-damper-2pcs-inline-springs-loaded-backflow)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-20*