---
product_id: 453273123
title: "\" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4\")"
brand: "ecopro vent"
price: "Rp1803345"
currency: IDR
in_stock: false
reviews_count: 5
category: "Ecopro Vent"
url: https://www.desertcart.id/products/453273123-inch-backdraft-damper-for-straight-or-flex-duct-bathroom-exhaust
store_origin: ID
region: Indonesia
---

# Quick DIY assembly with flexible or straight ducts Heat-resistant from -22°F to 400°F 4-inch steel damper for robust durability " Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4")

**Brand:** ecopro vent
**Price:** Rp1803345
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Stop backflow, start fresh – upgrade your airflow game!

## Quick Answers

- **What is this?** " Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4") by ecopro vent
- **How much does it cost?** Rp1803345 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/453273123-inch-backdraft-damper-for-straight-or-flex-duct-bathroom-exhaust)

## Best For

- ecopro vent enthusiasts

## Why This Product

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

## Key Features

- • **All-Season Reliability:** Heat-resistant from -22°F to 400°F, ideal for both indoor and outdoor ventilation needs.
- • **Seamless HVAC Integration:** Fits perfectly with 4-inch round flexible or straight duct systems for versatile use.
- • **Effortless DIY Installation:** Press-on design compatible with montage glue, tape, or steel clamps for a secure fit without hassle.
- • **Durability Meets Performance:** Constructed with steel and aluminum valve flaps to ensure long-lasting backflow prevention.
- • **Multi-Functional Airflow Control:** Perfect for bathroom exhaust, kitchen hoods, and dryer fans to maintain fresh, backflow-free air.

## Overview

The 4-inch Backdraft Damper by ECOPRO VENT is a durable steel and aluminum valve solution designed for flexible or straight duct systems. Heat-resistant from -22°F to 400°F, it ensures reliable backflow prevention for HVAC, bathroom, kitchen, and dryer exhaust applications. Easy to install with multiple mounting options, it’s a must-have for efficient, fresh airflow control.

## Description

Our products are made out of high quality plastic and coated steel. Guaranteed long life and durability. good compatibility with other ECOPRO VENT products.

Review: Nice
Review: works great.stopes backflow of air

## Features

- Ø Inch steel backdraft damper with aluminum valve.
- For use with the Ø Inch Round flexible or straight Pipe Ducting systems
- Quick and easy to assemble - DIY Press on chosen duct - flex or straight - and by using montage glue. tape or steel clamps tighten the connection.
- Perfect for heating, cooling or air conditioning - HVAC. Bathroom and kitchen air exhaust.
- Heat-resistant from: -22 °F to 400°F. / Perfect for indoor and outdoor use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XXT326K |
| Best Sellers Rank | #128,431 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #165 in Heating & Cooling Ducting Products |
| Blade Material | Plastic |
| Brand Name | ECOPRO VENT |
| Collection Name | Ventilation Fans |
| Color | white |
| Control Method | Touch |
| Controller Type | Button Control |
| Customer Reviews | 4.3 4.3 out of 5 stars (156) |
| Electric Fan Design | Exhaust Fan |
| Finish Type | Painted |
| Included Components | Cord |
| Indoor Outdoor Usage | Indoor |
| Is Product Cordless | No |
| Item Weight | 0.16 Kilograms |
| Manufacturer | ECOPRO VENT |
| Material | Aluminum |
| Model Name | 9cbd9b70-f7c7-4bf2-bb79-7c8bcd5728bd |
| Model Number | 9cbd9b70-f7c7-4bf2-bb79-7c8bcd5728bd |
| Mounting Type | Duct Mount |
| Number of Blades | 5 |
| Number of Power Levels | 1 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Cooling |
| Switch Type | Push Button |
| Unit Count | 1.0 Count |
| Wattage | 60 watts |

## Product Details

- **Brand:** ECOPRO VENT
- **Colour:** white
- **Controller type:** Button Control
- **Electric fan design:** Exhaust Fan
- **Finish type:** Painted
- **Material:** Aluminum
- **Mounting type:** Duct Mount
- **Power source:** Corded Electric
- **Recommended uses for product:** Cooling
- **Wattage:** 60 watts

## Images

![" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4") - Image 1](https://m.media-amazon.com/images/I/71jb4lQgBQL.jpg)
![" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4") - Image 2](https://m.media-amazon.com/images/I/71HGhwLU+dL.jpg)
![" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4") - Image 3](https://m.media-amazon.com/images/I/71EoEjiXnxL.jpg)
![" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4") - Image 4](https://m.media-amazon.com/images/I/41ImBU0ARSL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***W on 10 January 2025*

Nice

### ⭐⭐⭐⭐⭐ Review
*by D***N on 24 November 2025*

works great.stopes backflow of air

### ⭐ Review
*by B***D on 8 December 2024*

Arrived damaged. Doesn’t seal

## Frequently Bought Together

- ECOPRO VENT - 10" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps
- 10 Inch Dryer Vent Cover Stainless Steel Round Exhaust Grill Ventilation Outlet Wall Air Vent Dryer Hood External Extractor
- AC Infinity Flexible 10-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.id/products/453273123-inch-backdraft-damper-for-straight-or-flex-duct-bathroom-exhaust](https://www.desertcart.id/products/453273123-inch-backdraft-damper-for-straight-or-flex-duct-bathroom-exhaust)

---

*Product available on Desertcart Indonesia*
*Store origin: ID*
*Last updated: 2026-04-28*