---
product_id: 643949743
title: "2pack 4\"\" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White"
brand: "hvac ov"
price: "KD 9.36"
currency: KWD
in_stock: false
reviews_count: 6
url: https://www.desertcart.com.kw/products/643949743-2pack-4-inch-round-duct-connector-plastic-air-backdraft-damper
store_origin: KW
region: Kuwait
---

# Universal 4" fit for seamless duct connection Tool-free male-fit coupling for quick install Backdraft damper blocks cold air & odors 2pack 4"" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White

**Brand:** hvac ov
**Price:** KD 9.36
**Availability:** ❌ Out of Stock

## Summary

> 🌬️ Seal in comfort, block out the rest — airflow perfected!

## Quick Answers

- **What is this?** 2pack 4"" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White by hvac ov
- **How much does it cost?** KD 9.36 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.kw](https://www.desertcart.com.kw/products/643949743-2pack-4-inch-round-duct-connector-plastic-air-backdraft-damper)

## Best For

- hvac ov enthusiasts

## Why This Product

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

## Key Features

- • **Durable ABS Plastic Build:** Lightweight yet tough, resists moisture and temperature swings for long-lasting performance.
- • **Smart Backdraft Protection:** Prevents unwanted cold air, dust, and odors from creeping back indoors, keeping your space fresh.
- • **Effortless 4" Universal Fit:** Connects perfectly with standard vent pipes and hoses for hassle-free HVAC upgrades.
- • **Tool-Free Snap-On Installation:** Male-fit design means no adhesives or tools—get your ventilation system up and running in minutes.
- • **Versatile Ventilation Solution:** Ideal for kitchens, bathrooms, dryers, and commercial exhausts—upgrade any airflow system with confidence.

## Overview

This 2-pack of 4-inch round plastic duct connectors features a universal male-fit design for easy, tool-free installation. Made from durable white ABS plastic, each connector includes a built-in backdraft damper that prevents cold air, odors, and dust from entering your indoor space. Perfect for residential and commercial HVAC, kitchen vents, bathroom exhausts, and dryer systems, these connectors ensure efficient, one-way airflow and long-lasting performance.

## Description

HVAC OV works with manufacturers, markets and distributes products and system solutions for simplified construction and improved indoor climate. // The products are characterised by their high quality, ease of assembly and consideration towards the environment. // We simplify construction // At HVAC OV, we simplify construction because it is in human nature to build. By simplifying in every stage, we make it easier to install seamlessly. We develop products with people in mind. We offer solutions that meet the demands for comfort, simplicity and aesthetics. // We are driven by a strong passion and desire to continuously offer improvements. // Partly for all the customers and partners who use our products and solutions, but also for the people who live and work in buildings that uses our products. We simplify construction and help to create a healthy indoor climate. // Ideal for all tumble dryer vent pipes / hoses, bathroom extractors & vents, air conditioning and heating units, kitchen vents & fans, all home wall and ceiling vents, heat transfer and ventilation systems, gas & electric dryers, cooker hood extractors, as well as a wide variety of industrial uses.

Review: Fits as described - Fits perfectly.
Review: Perfect Fit - This is a good quality part, easy to install. Perfect fit in the system.

## Features

- Universal 4" Vent Connector with shutter – Designed to securely join 6-inch round vent pipes, hoses, or ducting systems; ideal for HVAC exhaust applications in residential or commercial settings.
- Easily fit with 3.93" Inches plastic or flexible pipes. Durable White ABS Plastic Construction – Made from high-quality, lightweight plastic that resists moisture and temperature changes, ensuring long-term performance indoors or outdoors.
- Male Fit Coupling – Features a snug easy installation male-fit design for easy extension or connection between two ducts or hoses without the need for additional tools or adhesives. Backdraft damper prevents Cold air, odors, dust, insects, or exhaust gases from coming back indoors. Loss of conditioned air (like heat or AC) when ventilation is not active.
- Inline duct connectors are used to connect HVAC, ventilation and exhaust fan piping systems, ensuring efficient airflow and air quality management.
- Versatile Use – Suitable for use in air conditioning air exhaust setups in kitchen, garage, house vent system, bathroom, bathroom exhaust fan systems.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7QLJ8PW |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #756,515 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2,068 in HVAC Ducting |
| Brand | HVAC OV |
| Color | White |
| Connector Type | Coupling |
| Customer Reviews | 4.4 4.4 out of 5 stars (29) |
| Date First Available | June 21, 2024 |
| Item Package Quantity | 2 |
| Item Weight | 3.8 ounces |
| Item dimensions L x W x H | 3.93 x 3.93 x 2.44 inches |
| Manufacturer | HVAC OV |
| Material | Plastic |
| Number of Pieces | 2 |
| Product Dimensions | 3.93 x 3.93 x 2.44 inches |
| Shape | Circular |
| Size | Ø 4" Inch - 2Pack |

## Product Details

- **Brand:** HVAC OV
- **Color:** White
- **Connector Type:** Coupling
- **Item dimensions L x W x H:** 3.93 x 3.93 x 2.44 inches
- **Manufacturer:** HVAC OV
- **Material:** Plastic
- **Number of Pieces:** 2
- **Size:** Ø 4" Inch - 2Pack

## Images

![2pack 4"" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White - Image 1](https://m.media-amazon.com/images/I/61Io0gwGAOL.jpg)
![2pack 4"" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White - Image 2](https://m.media-amazon.com/images/I/51Qe-4qV0BL.jpg)
![2pack 4"" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White - Image 3](https://m.media-amazon.com/images/I/51oBSgKmzSL.jpg)
![2pack 4"" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White - Image 4](https://m.media-amazon.com/images/I/51E5wfO0HlL.jpg)
![2pack 4"" Inch Round Duct Connector - Plastic Air Backdraft Damper - Backflow Stopper - One-Way Airflow Duct Insert for Extractor Fans, White - Image 5](https://m.media-amazon.com/images/I/51e977+25NL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits as described
*by S***N on January 29, 2025*

Fits perfectly.

### ⭐⭐⭐⭐⭐ Perfect Fit
*by Z***S on March 30, 2021*

This is a good quality part, easy to install. Perfect fit in the system.

### ⭐⭐⭐⭐ Good for the money
*by T***I on November 20, 2023*

Good for the money

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**Shop now:** [https://www.desertcart.com.kw/products/643949743-2pack-4-inch-round-duct-connector-plastic-air-backdraft-damper](https://www.desertcart.com.kw/products/643949743-2pack-4-inch-round-duct-connector-plastic-air-backdraft-damper)

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*Product available on Desertcart Kuwait*
*Store origin: KW*
*Last updated: 2026-03-04*