---
product_id: 683892635
title: "2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black"
brand: "kikerike"
price: "AR$106815"
currency: ARS
in_stock: true
url: https://www.desertcart.com.ar/products/683892635-2-pcs-4-inch-draft-blocker-backdraft-damper-duct-draft
store_origin: AR
region: Argentina
---

# Fits standard 4-inch ducts perfectly One-way airflow backdraft prevention Galvanized steel & aluminum build 2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black

**Brand:** kikerike
**Price:** AR$106815
**Availability:** ✅ In Stock

## Summary

> 🌬️ Stop the backdraft, start the fresh airflow—because your space deserves the best!

## Quick Answers

- **What is this?** 2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black by kikerike
- **How much does it cost?** AR$106815 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/683892635-2-pcs-4-inch-draft-blocker-backdraft-damper-duct-draft)

## Best For

- kikerike enthusiasts

## Why This Product

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

## Key Features

- • **Smart Airflow Control:** Prevents unwanted backflow and recirculation, enhancing ventilation efficiency when fans are off.
- • **Value-Added Twin Pack:** Two dampers included to cover multiple ducts or double your airflow control instantly.
- • **Versatile Compatibility:** Ideal for ACs, exhaust fans, range hoods, heating ducts, and more across residential and commercial spaces.
- • **Durable Dual-Metal Construction:** Galvanized steel body with aluminum flaps ensures long-lasting performance and corrosion resistance.
- • **Effortless Snap-In Installation:** Simply push into your 4-inch ventilation pipe for a secure, no-fuss fit—spring positioned for optimal flap movement.

## Overview

This 2-pack of 4-inch backdraft dampers features a robust galvanized steel and aluminum design, engineered to prevent air backflow in ventilation systems. Easy to install by pushing into standard ducts, these dampers optimize airflow control for residential and commercial HVAC, exhaust, and ventilation applications, ensuring efficient, fresh air circulation while protecting your environment from unwanted drafts.

## Description

Full description not available

## Features

- 【Material】These 4 inch backdraft dampers are made of a Galvanized steel with powder coat, the flap leaves are made of aluminum
- 【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation
- 【Function】This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use
- 【Wide Application】 These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications
- 【Note】Each package includes 2 backdraft dampers. Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different. All dimensions are measured manually, please allow 1-3mm differences

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Black |
| Material | Aluminum, Stainless Steel |
| Brand | Kikerike |
| Product Dimensions | 7.48"L x 3.93"W x 4.33"Th |
| Number of Pieces | 2 |
| Manufacturer | Kikerike |
| Item Weight | 9.6 ounces |
| Size | 4 Inch - 2PCS |
| Shape | Cylindrical |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Color:** Black
- **Material:** Aluminum, Stainless Steel
- **Brand:** Kikerike
- **Product Dimensions:** 7.48"L x 3.93"W x 4.33"Th
- **Number of Pieces:** 2

## Images

![2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black - Image 1](https://m.media-amazon.com/images/I/71IUWJOFkwL.jpg)
![2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black - Image 2](https://m.media-amazon.com/images/I/71b86P+FfoL.jpg)
![2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black - Image 3](https://m.media-amazon.com/images/I/61ai1MlQf4L.jpg)
![2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black - Image 4](https://m.media-amazon.com/images/I/61jTS8urKkL.jpg)
![2 Pcs 4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector - Black - Image 5](https://m.media-amazon.com/images/I/61IKL07Ww1L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.com.ar/products/683892635-2-pcs-4-inch-draft-blocker-backdraft-damper-duct-draft](https://www.desertcart.com.ar/products/683892635-2-pcs-4-inch-draft-blocker-backdraft-damper-duct-draft)

---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-03*