---
product_id: 24819370
title: "Round Exhaust Ventilation Duct with Backdraft Damper (4-inch)"
brand: "kaze appliance"
price: "€ 38.68"
currency: EUR
in_stock: true
reviews_count: 3
url: https://www.desertcart.de/products/24819370-round-exhaust-ventilation-duct-with-backdraft-damper-4-inch
store_origin: DE
region: Germany
---

# 4-inch precision fit Quiet 60 dB operation Built-in backdraft damper Round Exhaust Ventilation Duct with Backdraft Damper (4-inch)

**Brand:** kaze appliance
**Price:** € 38.68
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your airflow game with the duct that means business!

## Quick Answers

- **What is this?** Round Exhaust Ventilation Duct with Backdraft Damper (4-inch) by kaze appliance
- **How much does it cost?** € 38.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/24819370-round-exhaust-ventilation-duct-with-backdraft-damper-4-inch)

## Best For

- kaze appliance enthusiasts

## Why This Product

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

## Key Features

- • **Compact & Durable:** Lightweight plastic construction with precise dimensions (4.5 x 4 x 3.5 inches) for easy integration and lasting reliability.
- • **Perfect 4-Inch Fit:** Engineered exclusively for KAZE APPLIANCE bathroom fans to ensure seamless installation and optimal airflow.
- • **Sleek Modern Design:** Matte black finish complements contemporary bathroom aesthetics while delivering high performance.
- • **Whisper-Quiet Operation:** Operates at a low 60 decibels, so your ventilation is effective without disrupting your peace.
- • **Backdraft Damper Included:** Prevents unwanted air and odors from sneaking back into your space, maintaining fresh bathroom air quality.

## Overview

The KAZE APPLIANCE Round Exhaust Ventilation Duct (4-inch) is a purpose-built, sleek black plastic duct designed for bathroom exhaust fans. Featuring a built-in backdraft damper and whisper-quiet 60 dB operation, it ensures efficient ventilation while preventing unwanted air backflow. Compact and modern, it fits perfectly with KAZE fans, making it an essential upgrade for any stylish, functional bathroom ventilation system.

## Description

Round 4 inch duct specifically designed for KAZE Appliance bathroom fan.

## Features

- Round 4 inch duct specifically designed for KAZE APPLIANCE bathroom fan
- Rectangular side dimension: 3.5 inch x 4.5 inch

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | KAZE APPLIANCE |
| Color | black |
| Electric fan design | Exhaust Fan |
| Style | Modern |
| Room Type | Bathroom |
| Recommended Uses For Product | Exhausting |
| Material | Plastic |
| Noise Level | 60 Decibels |
| Model Name | KA-DUCT-4 |
| Manufacturer | KAZE APPLIANCE |
| UPC | 049022200968 |
| Size | 4-inch |
| Part Number | KA-DUCT-4 |
| Package Dimensions | 4.5 x 4 x 3.5 inches |
| Item model number | KA-DUCT-4 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** KAZE APPLIANCE
- **Color:** black
- **Electric fan design:** Exhaust Fan
- **Style:** Modern
- **Room Type:** Bathroom
- **Recommended Uses For Product:** Exhausting
- **Material:** Plastic
- **Noise Level:** 60 Decibels
- **Model Name:** KA-DUCT-4
- **Manufacturer:** KAZE APPLIANCE

## Images

![Round Exhaust Ventilation Duct with Backdraft Damper (4-inch) - Image 1](https://m.media-amazon.com/images/I/410MA3QzekL.jpg)
![Round Exhaust Ventilation Duct with Backdraft Damper (4-inch) - Image 2](https://m.media-amazon.com/images/I/41qujJdWtHL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    fit and works
  

*by M***K on Reviewed in the United States on January 20, 2018*

The idiot that installed my bathroom fan tossed this part and just taped the vent hose to the square hole.  Without the flap cold air comes back in in the winter.

### ⭐⭐ 







  
  
    Two Stars
  

*by C***F on Reviewed in the United States on March 14, 2018*

didn't fit right. also doesn't close fully. whats the point of the flap if it doesn't close?

### ⭐⭐⭐⭐ 







  
  
    Four Stars
  

*by S***N on Reviewed in the United States on October 12, 2017*

good

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**Shop now:** [https://www.desertcart.de/products/24819370-round-exhaust-ventilation-duct-with-backdraft-damper-4-inch](https://www.desertcart.de/products/24819370-round-exhaust-ventilation-duct-with-backdraft-damper-4-inch)

---

*Product available on Desertcart Germany*
*Store origin: DE*
*Last updated: 2026-04-23*