---
product_id: 209376297
title: "4\" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans"
brand: "ac infinity"
price: "AED 115"
currency: AED
in_stock: true
category: "Ac Infinity"
url: https://www.desertcart.ae/products/209376297-4-backdraft-damper-one-way-airflow-ducting-insert-with-spring
store_origin: AE
region: United Arab Emirates
---

# spring-loaded airflow blades airtight rubber gasket seal 4-inch precision fit 4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans

**Brand:** ac infinity
**Price:** AED 115
**Availability:** ✅ In Stock

## Summary

> 🌀 Keep your airflow fresh and your space flawless — no backdrafts, no compromises!

## Quick Answers

- **What is this?** 4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans by ac infinity
- **How much does it cost?** AED 115 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ae](https://www.desertcart.ae/products/209376297-4-backdraft-damper-one-way-airflow-ducting-insert-with-spring)

## Best For

- ac infinity enthusiasts

## Why This Product

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

## Key Features

- • **One-Way Airflow Control:** Spring-loaded aluminum blades open with minimal airflow, preventing backdrafts and unwanted odors from invading your space.
- • **Flexible Mounting Options:** Designed for both horizontal and vertical installation, adapting seamlessly to your range hoods, bathroom fans, or other ducting needs.
- • **Airtight Rubber Gasket Seal:** Outer rubber gaskets create a secure, airtight grip that locks out debris and maximizes energy efficiency.
- • **Durable Galvanized Steel Build:** Powder-coated alloy steel body resists corrosion and wear, promising long-lasting performance in any environment.
- • **Seamless 4" Duct Compatibility:** Perfectly engineered for standard 4-inch duct openings, ensuring effortless integration with your HVAC system.

## Overview

The AC Infinity 4" Backdraft Damper is a high-performance one-way airflow duct insert designed for range hoods and bathroom fans. Featuring spring-loaded aluminum blades and an airtight rubber gasket, it prevents backflow and debris entry while fitting standard 4-inch ducts. Its galvanized steel body with powder coat finish ensures durability and versatile horizontal or vertical mounting.

## Description

AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans - desertcart.com

## Features

- An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications.
- Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts.
- Mounts horizontally or vertically to prevent backflow and debris from entering ducting.
- Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow.
- Fit for 4 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0842XSTV9 |
| Best Sellers Rank | #13,446 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #15 in HVAC Ducting |
| Brand Name | AC Infinity |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,024) |
| Item Dimensions | 5 x 3.81 x 3.81 inches |
| Manufacturer | AC Infinity |
| Manufacturer Part Number | AC-BDD4-B |
| Material Type | Alloy Steel, Aluminum |
| Model Number | AC-BDD4-B |
| Size | 4" |
| UPC | 819137021303 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** AC Infinity
- **Color:** Black
- **Item dimensions L x W x H:** 5 x 3.81 x 3.81 inches
- **Manufacturer:** AC Infinity
- **Material:** Alloy Steel, Aluminum
- **Number of Packs:** 1
- **Size:** 4"
- **UPC:** 819137021303
- **Unit Count:** 1 Count

## Images

![4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans - Image 1](https://m.media-amazon.com/images/I/51lALiYTYEL.jpg)

## Available Options

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

## Frequently Bought Together

- AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans
- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust
- AC Infinity Flexible 4-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.ae/products/209376297-4-backdraft-damper-one-way-airflow-ducting-insert-with-spring](https://www.desertcart.ae/products/209376297-4-backdraft-damper-one-way-airflow-ducting-insert-with-spring)

---

*Product available on Desertcart United Arab Emirates*
*Store origin: AE*
*Last updated: 2026-06-26*