---
product_id: 268123428
title: "5\" to 4\" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 5 to 4 Inch)"
brand: "repa market"
price: "1653912₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/268123428-5-to-4-duct-reducer-round-reducer-duct-fitting-pipe
store_origin: VN
region: Vietnam
---

# Versatile for home use Sturdy galvanized steel 5" to 4" size 5" to 4" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 5 to 4 Inch)

**Brand:** repa market
**Price:** 1653912₫
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect with Confidence!

## Quick Answers

- **What is this?** 5" to 4" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 5 to 4 Inch) by repa market
- **How much does it cost?** 1653912₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/268123428-5-to-4-duct-reducer-round-reducer-duct-fitting-pipe)

## Best For

- repa market enthusiasts

## Why This Product

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

## Key Features

- • **📏 Compact Design:** Space-saving dimensions fit perfectly in any setup.
- • **🛠️ DIY Friendly:** Ideal for both professional trades and home improvement projects.
- • **🏗️ Built to Last:** Constructed from robust galvanized steel for durability.
- • **🔄 Seamless Transition:** Easily connect different duct sizes for optimal airflow.
- • **🌬️ Versatile Applications:** Perfect for HVAC systems, kitchen hoods, and more.

## Overview

The Repa Market 5" to 4" Duct Reducer is a high-quality galvanized steel fitting designed for seamless transitions between different duct sizes. Weighing just 132g and measuring 12.8 x 9 x 12.8 cm, this versatile reducer is perfect for a variety of applications, including HVAC systems, extractor fans, and hydroponics. Its robust construction ensures durability, making it an essential tool for both DIY enthusiasts and professionals alike.

## Description

Repa Market 5" to 4" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 5 to 4 Inch)

## Features

- 125mm Male to 100mm Male Round Ducting Adaptor. 5" (4.92") to 4" (3.93")
- Can be used with HVAC systems, bathroom extractor fans, inline ventilators, cooker hoods, tumble dryers, hydroponics, kitchens or, anywhere else in the apartment, home or office space.
- Sturdy Steel ducting is perfect for DIY and Trade use.
- This is a very practical robust, 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 to small.
- Perfectly suited for ducting your Tumble Dryer, Bathroom or Any type of extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | REPA MARKET |
| Item Weight | 132 g |
| Product Dimensions | 12.8 x 9 x 12.8 cm; 132 g |
| Item model number | REPA-MARKET-XXXX |
| Size | 4 to 5 Inch |
| Color | Silver |
| Material | Metal |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** 4 to 5 Inch
- **Material:** Metal
- **Brand:** Repa Market
- **Colour:** Silver
- **Item dimensions L x W x H:** 12.8 x 9 x 12.8 centimeters

## Images

![5" to 4" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal, 5 to 4 Inch) - Image 1](https://m.media-amazon.com/images/I/81xBqb6DV4L.jpg)

## Frequently Bought Together

- 5" to 4" Inch Duct Reducer Round Fitting Pipe Increaser Made from Galvanized Steel (Drain, Waste and Vent) Reducing Coupling (Metal)
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**Shop now:** [https://www.desertcart.vn/products/268123428-5-to-4-duct-reducer-round-reducer-duct-fitting-pipe](https://www.desertcart.vn/products/268123428-5-to-4-duct-reducer-round-reducer-duct-fitting-pipe)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-04-24*