---
product_id: 11057621
title: "6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings"
brand: "the sheet metal kid"
price: "€ 6.38"
currency: EUR
in_stock: false
url: https://www.desertcart.sk/products/11057621-6-inch-to-4-inch-hvac-duct-reducer-and-increaser
store_origin: SK
region: Slovakia
---

# Seamless airflow 26 gauge steel Easy installation 6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings

**Brand:** the sheet metal kid
**Price:** € 6.38
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Elevate Your Airflow Game!

## Quick Answers

- **What is this?** 6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings by the sheet metal kid
- **How much does it cost?** € 6.38 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/11057621-6-inch-to-4-inch-hvac-duct-reducer-and-increaser)

## Best For

- the sheet metal kid enthusiasts

## Why This Product

- Trusted the sheet metal kid brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from high-quality galvanized steel for maximum durability.
- • **Transform Your Ducting:** Seamlessly connect different duct sizes for optimal airflow.
- • **Effortless Installation:** Quickly connect ducts using glue, tape, or clips.
- • **Satisfaction Guaranteed:** 100% commitment to customer satisfaction—your peace of mind!
- • **Versatile Compatibility:** Works with both flexible and rigid duct systems.

## Overview

The 6 Inch to 4 Inch HVAC Duct Reducer & Increaser is a robust galvanized sheet metal connector designed for seamless integration of different duct sizes in heating, cooling, and ventilation systems. With its high-quality construction and easy installation, this duct fitting ensures optimal airflow and efficiency, making it an essential tool for both DIY enthusiasts and professionals.

## Description

Full description not available

## Features

- ✅ 𝐃𝐔𝐂𝐓 𝐑𝐄𝐃𝐔𝐂𝐄𝐑 & 𝐈𝐍𝐂𝐑𝐄𝐀𝐒𝐄𝐑:: Sheet metal HVAC Duct Reducer for flexible or metal HVAC Ducts and air vents. Used to connect two air ducts of different diameters to create a seamless ventilation. Sturdy steel ducting is perfect for DIY and Trade use. This is a very practical duct, all in one, solid duct reducer or increaser which can be used when connecting two different, solid or flexible ducts or ducts to ventilators, or vice versa, from small to large, larger too small.
- ✅ 𝐇𝐈𝐆𝐇-𝐐𝐔𝐀𝐋𝐈𝐓𝐘 𝐌𝐄𝐓𝐀𝐋 𝐒𝐇𝐄𝐄𝐓: Our sheet metal reducers and increasers are manufactured from the highest quality of galvanized steel. These reducers are made of 26 gauge galvanized sheet metal up to 12" or 24 gauge galvanized sheet metal from 14" to 24". Perfect for use with either flexible duct or rigid sheet metal duct. Never be restricted to your air conditioner's ducting requirements again.
- ✅ 𝐄𝐗𝐓𝐑𝐀 𝐒𝐓𝐑𝐄𝐍𝐆𝐓𝐇 𝐀𝐍𝐃 𝐅𝐈𝐓𝐓𝐈𝐍𝐆𝐒: These galvanized duct reducers can be used with fans, ducting, air-cooled hoods, and ventilation systems, that allowing you to lengthen and extend your ducting. This duct is crimped on the small end of the duct to fit inside the next ducting section. They are the perfect sheet metal fitting for changing duct sizes and utilized for maintaining the best airflow for maximum efficiency in your HVAC duct system.
- ✅ 𝐄𝐀𝐒𝐘 𝐓𝐎 𝐈𝐍𝐒𝐓𝐀𝐋𝐋: Consider these reducers as a patch between your current unit and the ducting you want to run and see how easy it is to match up the two. They are the perfect sheet metal fitting for changing duct sizes and utilized for maintaining the best airflow for maximum efficiency in your HVAC duct system. Perfect for use with either flexible duct or rigid sheet metal duct. The connection can be fastened by using montage glue, tape, or steel clips.
- ✅ 𝟏𝟎𝟎% 𝐆𝐔𝐀𝐑𝐀𝐍𝐓𝐄𝐄 𝐒𝐀𝐓𝐈𝐒𝐅𝐀𝐂𝐓𝐈𝐎𝐍: We are willing for the satisfaction of our customers because customer satisfaction is our first priority. If you have any kind of problem regarding our product we will fully co-operate in solving your problem. You should never feel any hesitation in contacting us. Do not miss the opportunity, simply click “ADD TO CART” to order yours today!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | The Sheet Metal Kid |
| Part Number | CECOMINOD040818 |
| Item Weight | 8 ounces |
| Item model number | CECOMINOD040818 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Cutting Diameter | 6 Inches |
| Batteries Included? | No |
| Batteries Required? | No |
| Assembled Diameter | 6 Inches |

## Images

![6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings - Image 1](https://m.media-amazon.com/images/I/61NS6bFpXzL.jpg)
![6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings - Image 2](https://m.media-amazon.com/images/I/61JcJHhzVqL.jpg)
![6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings - Image 3](https://m.media-amazon.com/images/I/71vpAd7OHqL.jpg)
![6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings - Image 4](https://m.media-amazon.com/images/I/71YTpfdodoL.jpg)
![6 Inch to 4 Inch HVAC Duct Reducer & Increaser - Galvanized Sheet Metal Ducting Connector for Airflow, Heating, Cooling, & Air Ventilation System Extra Strength and Fittings - Image 5](https://m.media-amazon.com/images/I/71zbPjAJf7L.jpg)

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**Shop now:** [https://www.desertcart.sk/products/11057621-6-inch-to-4-inch-hvac-duct-reducer-and-increaser](https://www.desertcart.sk/products/11057621-6-inch-to-4-inch-hvac-duct-reducer-and-increaser)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-03-18*