---
product_id: 307806946
title: "6\" Inch Duct Connector Flange with Mounting Plate and Backdraft Damper - PVC Plastic Flange for Flexible or Straight Pipes - Pipe Connector of Round Ducts - Cover Plate - Perfect for HVAC Systems"
brand: "ecopro vent"
price: "฿1930"
currency: THB
in_stock: true
reviews_count: 8
category: "Ecopro Vent"
url: https://www.desertcart.co.th/products/307806946-6-inch-duct-connector-flange-with-mounting-plate-and-backdraft
store_origin: TH
region: Thailand
---

# 6-inch precise fit One-way backdraft damper 4-screw easy install 6" Inch Duct Connector Flange with Mounting Plate and Backdraft Damper - PVC Plastic Flange for Flexible or Straight Pipes - Pipe Connector of Round Ducts - Cover Plate - Perfect for HVAC Systems

**Brand:** ecopro vent
**Price:** ฿1930
**Availability:** ✅ In Stock

## Summary

> 🔄 Lock in comfort, lock out the chill — HVAC made smarter!

## Quick Answers

- **What is this?** 6" Inch Duct Connector Flange with Mounting Plate and Backdraft Damper - PVC Plastic Flange for Flexible or Straight Pipes - Pipe Connector of Round Ducts - Cover Plate - Perfect for HVAC Systems by ecopro vent
- **How much does it cost?** ฿1930 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/307806946-6-inch-duct-connector-flange-with-mounting-plate-and-backdraft)

## 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

- • **Seamless 6" Connection:** Effortlessly link or extend round ducts with a perfect 5.9" flange diameter for airtight HVAC performance.
- • **DIY-Friendly Installation:** Only 4 mounting screws needed—quick, straightforward setup that saves time and hassle.
- • **Durable, Lightweight Build:** Crafted from sturdy PVC plastic, ensuring long-lasting reliability without adding bulk.
- • **Versatile HVAC Compatibility:** Ideal for heating, cooling, and ventilation in bathrooms, kitchens, and living spaces.
- • **Energy-Saving Backdraft Damper:** One-directional flap blocks cold air intrusion, cutting heating costs without compromising airflow.

## Overview

The ECOPRO VENT 6" Duct Connector Flange with Mounting Plate and Backdraft Damper is a durable PVC plastic solution designed for quick, secure connection of round HVAC ducts. Featuring a one-way flap to prevent cold air backflow, it enhances energy efficiency while maintaining optimal airflow. With a simple 4-screw installation and compatibility across heating and cooling systems, it’s the smart choice for professional-grade ventilation upgrades.

## Description

Our products are made out of quality plastic and coated steel. Each product is assured with long life and durability. Good compatibility with other ECOPRO VENT products.

Review: Worked great!! - Worked as expected! Made a hole in our sheetrock for a laser vent hose and this cleaned up the installation.
Review: It’s just as I expected - This is just like it shown in the picture, and the quality is good. It is sturdy plastic.

## Features

- Duct connector allows to connect or extend two round vents with ease and convenience. One directional flap reduces cold air entering the ventilation system. It does not in any way affect air flow in the ventilation system and reduces energy costs on heating.
- Only 4 screwing points - simple and straightforward. Outer diameter for flange is 5.90" Inches.
- Quick and easy to assemble - DIY. Installation requires two round vents, 4 screws for mounting and prefered fasteners or sealants to attach the vent to the connector.
- Perfect for heating, cooling or air conditioning - HVAC. Bathroom, kitchen and living room.
- Recommended environment temperature: 41 °F to 140 °F

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08XXSQ1Q7 |
| Best Sellers Rank | #486,896 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,247 in HVAC Ducting |
| Brand | ECOPRO VENT |
| Brand Name | ECOPRO VENT |
| Color | backdraft damper - yes |
| Connector Type | Flange |
| Customer Reviews | 4.0 out of 5 stars 114 Reviews |
| Item Dimensions | 7.86 x 7.86 x 2.48 inches |
| Item Weight | 0.1 Kilograms |
| Item dimensions L x W x H | 7.86 x 7.86 x 2.48 inches |
| Manufacturer | ECOPRO VENT |
| Material | Plastic |
| Material Type | Plastic |
| Number of Pieces | 1 |
| Size | 6 Inch |
| Thread Size | 6 inch |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** ECOPRO VENT
- **Color:** backdraft damper - yes
- **Connector Type:** Flange
- **Item Weight:** 0.1 Kilograms
- **Item dimensions L x W x H:** 7.86 x 7.86 x 2.48 inches
- **Manufacturer:** ECOPRO VENT
- **Material:** Plastic
- **Number of Pieces:** 1
- **Size:** 6 Inch
- **Thread Size:** 6 inch

## Images

![6" Inch Duct Connector Flange with Mounting Plate and Backdraft Damper - PVC Plastic Flange for Flexible or Straight Pipes - Pipe Connector of Round Ducts - Cover Plate - Perfect for HVAC Systems - Image 1](https://m.media-amazon.com/images/I/51oi4LDOtxL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked great!!
*by D***I on May 27, 2021*

Worked as expected! Made a hole in our sheetrock for a laser vent hose and this cleaned up the installation.

### ⭐⭐⭐⭐⭐ It’s just as I expected
*by M***Y on March 12, 2023*

This is just like it shown in the picture, and the quality is good. It is sturdy plastic.

### ⭐⭐⭐ Disappointed poor quality
*by A***R on March 3, 2022*

Not worth the money. The backdraft damper is very cheap plastic that was broken. I would not buy again.

## Frequently Bought Together

- Duct Connector with mounting Plate and Backdraft Damper. PVC Plastic Flange for Flexible or Straight Pipe. Pipe Connector of Round ducts and Cover Plate. Perfect for HVAC Systems. 6 in
- AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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**Shop now:** [https://www.desertcart.co.th/products/307806946-6-inch-duct-connector-flange-with-mounting-plate-and-backdraft](https://www.desertcart.co.th/products/307806946-6-inch-duct-connector-flange-with-mounting-plate-and-backdraft)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-24*