---
product_id: 355553519
title: "– 4\" Inch Duct Connector Flange - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint Set (100mm)"
brand: "repa market"
price: "153.22 DT"
currency: TND
in_stock: true
category: "Repa Market"
url: https://www.desertcart.tn/products/355553519-4-inch-duct-connector-flange-plastic-straight-pipe-flange-heating
store_origin: TN
region: Tunisia
---

# Precise 3.9" insertion diameter Universal 4" duct compatibility Tool-free, easy installation – 4" Inch Duct Connector Flange - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint Set (100mm)

**Brand:** repa market
**Price:** 153.22 DT
**Availability:** ✅ In Stock

## Summary

> 🌬️ Connect with Confidence — Upgrade Your Airflow Game!

## Quick Answers

- **What is this?** – 4" Inch Duct Connector Flange - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint Set (100mm) by repa market
- **How much does it cost?** 153.22 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/355553519-4-inch-duct-connector-flange-plastic-straight-pipe-flange-heating)

## 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

- • **Durable ABS Plastic Build:** Weather-resistant and sturdy for reliable performance in any climate.
- • **Sleek & Minimalist Design:** Clean white finish blends perfectly with modern HVAC setups and interiors.
- • **Versatile Venting Solution:** Compatible with a wide range of 4-inch circular ducts for home or commercial use.
- • **Precision Fit, Zero Guesswork:** Exact 99mm flange diameter ensures seamless duct connections every time.
- • **Effortless Setup, Instant Upgrade:** Snap-in design means no glue or sealants—get your ventilation system running fast.

## Overview

This 4-inch plastic duct connector flange by Repa Market offers precise dimensions and a durable ABS plastic build, designed for easy, glue-free installation. Compatible with standard 4-inch ventilation ducts, it’s ideal for heating, cooling, and extractor fan systems in both residential and commercial settings. Lightweight and weather-resistant, it ensures reliable, stylish duct connections that fit perfectly every time.

## Description

Free delivery and returns on all eligible orders. Shop 4" Inch Duct Connector Flange - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint Set (100mm).

## Features

- FOR 4 INCH DUCT - Insertion diameter is 3.9 inch / 99mm. Wall plate/flange dimensions are 5.91 x 5.91 inch / 150mm x 150mm. Screw hole spacing is 5.31 inch x 5.31 inch / 135mm x 135mm.
- The duct connector is made of quality plastic with temperature resistance from -5°C up to +60°C. White, simple and stylish. The rigid/straight pipe or flexible ducting adapter is perfect for HVAC ventilation air ducts.
- Easy to install, compatible with 4 Inch tube. Connect ducting components easily with durable plastic flanges for reliable connections. Easily connected to various types of circular ventilation air ducts.
- Perfectly suited for ducting your Tumble Dryer, Bathroom or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood.
- We always provide you with premium equipments. Can be installed and used in any climate. The elements can be connected without glues and sealants.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0822VB3F7 |
| Best Sellers Rank | 20,394 in DIY & Tools ( See Top 100 in DIY & Tools ) 41 in Ducting |
| Brand | Repa Market |
| Colour | White |
| Connector Type | Flange |
| Country of Origin | Latvia |
| Customer Reviews | 4.5 4.5 out of 5 stars (842) |
| Exterior Finish | ABS |
| Included Components | Connection flange |
| Item Dimensions | 15 x 6.2 x 15 centimetres |
| Manufacturer | Repa Market |
| Material | Plastic |
| Number of Pieces | 1 |
| Set Name | Repa Market 4 Inch Coupling Set |
| Size | 4 Inch - Single |
| Thread Size | 4" Inch |
| Thread Type | NPT |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** Repa Market
- **Colour:** White
- **Connector type:** Flange
- **Exterior finish:** ABS
- **Item dimensions L x W x H:** 15 x 6.2 x 15 centimetres
- **Material:** Plastic
- **Number of pieces:** 1
- **Size:** 4 Inch - Single
- **Thread size:** 4" Inch
- **Thread type:** NPT

## Images

![– 4" Inch Duct Connector Flange - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint Set (100mm) - Image 1](https://m.media-amazon.com/images/I/41FcfTeqvkL.jpg)

## Available Options

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

## Questions & Answers

**Q: Do both sides of this have flanges for house connection?**
A: Yes it has the flange on both sides.  Due to the picture I assumed it was only one sided as I needed, and had to cut off the other side for use.

**Q: What are the dimensions? Size of square part & how long is the tube part.**
A: Flange of the 4” connector is 5-7/8” square

**Q: Is the spec diameter for id or od? looking at the 5in flange.**
A: Inside diameter.

**Q: Has anyone seen this style in metal?**
A: Yes at lowes

## Frequently Bought Together

- 4" Inch Duct Connector Flange - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint (100mm)
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**Shop now:** [https://www.desertcart.tn/products/355553519-4-inch-duct-connector-flange-plastic-straight-pipe-flange-heating](https://www.desertcart.tn/products/355553519-4-inch-duct-connector-flange-plastic-straight-pipe-flange-heating)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-06*