---
product_id: 185858231
title: "6\" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans"
brand: "ac infinity"
price: "€ 53.49"
currency: EUR
in_stock: true
reviews_count: 13
category: "Ac Infinity"
url: https://www.desertcart.fr/products/185858231-6-backdraft-damper-one-way-airflow-ducting-insert-with-spring
store_origin: FR
region: France
---

# spring-loaded blades airtight rubber gasket 6-inch duct fit 6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans

**Brand:** ac infinity
**Price:** € 53.49
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans by ac infinity
- **How much does it cost?** € 53.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/185858231-6-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

- • **Airtight Rubber Gaskets:** Creates a secure seal that blocks debris and unwanted air infiltration.
- • **Versatile Mounting Options:** Install horizontally or vertically to suit any ducting layout with confidence.
- • **Spring-Loaded Folding Blades:** Ensures effortless one-way airflow, preventing backdrafts and energy loss.
- • **Durable Galvanized Steel Body:** Powder-coated finish resists corrosion, promising long-lasting performance.
- • **Precision Fit for 6-Inch Ducts:** Seamlessly integrates with standard HVAC systems for hassle-free installation.

## Overview

The AC Infinity 6" Backdraft Damper is a robust HVAC accessory designed to prevent reverse airflow in range hoods and bathroom fans. Featuring spring-loaded aluminum blades and airtight rubber gaskets within a galvanized steel body, it fits standard 6-inch ducts and mounts in any orientation. This durable, powder-coated damper ensures efficient ventilation, blocks debris, and enhances energy efficiency, making it a must-have for modern home airflow management.

## Description

Buy AC Infinity 6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans: Ducting - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Great quality and did the job - AC Infinity stuff is always great, this is no exception. I’ve got two of these hooked up in the attic so I can run two exhaust fans to one outlook. They lit the air flow freely, but only in the direction I want. Allows me to pass code! Nice product, easy install and since it’s in the attic no perceived noise inside (I don’t know if it’s load next to it). Good value!
Review: Performs well. Nicely made product at a fair price! - The AC Infinity products I’ve been getting all seen to be superior quality pieces (fan, collars, dampers). Couldn’t be happier. Shutters open easily but close solidly when there’s no air flow. Thank you a great product at a fair price!

## 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 6 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0842XLY96 |
| Best Sellers Rank | #13,020 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in HVAC Ducting #362 in Pipe Fittings & Pipes |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Color | Black |
| Connector Type | AC Power Plug |
| Customer Reviews | 4.6 out of 5 stars 2,025 Reviews |
| Global Trade Identification Number | 00819137021310 |
| Included Components | Backdraft Damper |
| Item Dimensions | 5.12 x 5.79 x 2.28 inches |
| Item Weight | 1.3 Pounds |
| Item dimensions L x W x H | 5.12 x 5.79 x 2.28 inches |
| Manufacturer | AC Infinity |
| Manufacturer Part Number | AC-BDD6-B |
| Material | Alloy Steel , Aluminum |
| Material Type | Alloy Steel, Aluminum |
| Model Number | AC-BDD6-B |
| Size | 6 Inch |
| UPC | 819137021310 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** AC Infinity
- **Color:** Black
- **Connector Type:** AC Power Plug
- **Global Trade Identification Number:** 00819137021310
- **Item Weight:** 1.32 Pounds
- **Item dimensions L x W x H:** 5.12 x 5.79 x 2.28 inches
- **Manufacturer:** AC Infinity
- **Material:** Alloy Steel, Aluminum
- **Number of Packs:** 1
- **Size:** 6 Inch

## Images

![6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans - Image 1](https://m.media-amazon.com/images/I/51ML+386kaL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality and did the job
*by J***R on May 24, 2026*

AC Infinity stuff is always great, this is no exception. I’ve got two of these hooked up in the attic so I can run two exhaust fans to one outlook. They lit the air flow freely, but only in the direction I want. Allows me to pass code! Nice product, easy install and since it’s in the attic no perceived noise inside (I don’t know if it’s load next to it). Good value!

### ⭐⭐⭐⭐⭐ Performs well. Nicely made product at a fair price!
*by S***E on April 8, 2026*

The AC Infinity products I’ve been getting all seen to be superior quality pieces (fan, collars, dampers). Couldn’t be happier. Shutters open easily but close solidly when there’s no air flow. Thank you a great product at a fair price!

### ⭐⭐⭐⭐⭐ Tight seal and quality construction
*by C***. on December 2, 2025*

I needed some sort of back draft prevention for my bathroom vent fan setup because I was getting bugs and draft in my basement bathroom. These fit right up to other 4 inch ducting, and I used rubber connectors to secure these on. They look sleek, work great, and they have a great quality seal and don't let air back in. They have a double flap to prevent back drafting. I used two of them in my set up to keep each line isolated before a combining y connection

## Frequently Bought Together

- AC Infinity 6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans
- AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust
- AC Infinity Noise Reduction Clamp 6-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-07-07*