---
product_id: 234694619
title: "4 inch Duct Connector, 2 Pack Plastic Straight Pipe Flanges, Ventilation Ducting Connector for Heating Cooling Ventilation System"
brand: "abuff"
price: "S$35"
currency: SGD
in_stock: true
reviews_count: 9
category: "A Buff"
url: https://www.desertcart.sg/products/234694619-4-inch-duct-connector-2-pack-plastic-straight-pipe-flanges
store_origin: SG
region: Singapore
---

# 4 inch inner diameter precision fit Durable high-quality ABS plastic Pre-bored mounting holes for easy install 4 inch Duct Connector, 2 Pack Plastic Straight Pipe Flanges, Ventilation Ducting Connector for Heating Cooling Ventilation System

**Brand:** abuff
**Price:** S$35
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with confidence — upgrade your airflow game!

## Quick Answers

- **What is this?** 4 inch Duct Connector, 2 Pack Plastic Straight Pipe Flanges, Ventilation Ducting Connector for Heating Cooling Ventilation System by abuff
- **How much does it cost?** S$35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/234694619-4-inch-duct-connector-2-pack-plastic-straight-pipe-flanges)

## Best For

- abuff enthusiasts

## Why This Product

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

## Key Features

- • **Leak-Proof Seal:** Engineered to prevent air leakage, optimizing HVAC efficiency.
- • **Perfect 4-inch Fit:** Seamlessly connects standard 4-inch duct tubes for airtight ventilation.
- • **Versatile Application:** Ideal for dryers, extractor fans, hydroponics, and cooker hoods.
- • **Durable ABS Construction:** Robust plastic ensures long-lasting, crack-resistant performance.
- • **Quick & Secure Installation:** Pre-drilled holes make mounting effortless and reliable.

## Overview

The Abuff 4-inch Duct Connector is a high-quality ABS plastic flange designed for secure, leak-proof connections in heating, cooling, and ventilation systems. With precise 4-inch inner diameter compatibility and pre-bored mounting holes, it ensures easy installation and reliable performance across multiple applications including dryers, extractor fans, and hydroponics setups. Sold in convenient 2-packs, it’s the smart choice for professionals seeking durable and efficient ducting solutions.

## Description

Abuff 4-inch Duct Connector, Plastic Straight Pipe Flange for Heating Cooling Ventilation System -Make of high quality ABS, compact and solid. -Compatible with 4 Inch Duct tubes. -Make the ventilation pipe connection intact, avoid air leakage, and connect to the ventilation equipment safely. -Pre-bored mounting holes for easy and secure installation. -Perfectly suited for ducting your tumble dryer, bathroom or kitchen extractor fan, hydroponics, in-line extract fans, or cooker hood. Specification -Material: ABS -Color: Black -Size: Inner diameter: 4 inch/100 mm; Outer diameter : 6 inch/150 mm; Height: 2.4 inch/60 mm; Compatible with 4 Inch Duct tubes. Package Included: 2 x Duct Connectors

Review: Perfect fit - Built a box and made a cutout for this for roof vent exhaust fan with 4 inch exhaust hose. Works perfectly for the job I used it for
Review: If you need to attach a 4" hose, these are great - They work fantastically. I used one to attach a 4" hose to my laser enclosure which came with a 3" port. Now I get better flow and this truly takes care of the miniscule amount of fumes that were escaping previously.

## Features

- HIGH QUALITY: 4 inch Duct Connector is make of high quality ABS,compact and solid
- SIZE: Inner diameter: 4 inch/100 mm; Outer diameter : 6 inch/150 mm; Height: 2.4 inch/60 mm; Compatible with 4 Inch Duct tubes. 2 Pack
- APPLICATION: Perfectly suited for ducting your tumble dryer, bathroom or kitchen extractor fan, hydroponics, in-line extract fans, or cooker hood
- FUNCTION: Make the ventilation pipe connection intact, avoid air leakage, and connect to the ventilation equipment safely
- EASY TO INSTALL: Pre-bored mounting holes for easy and secure installation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B086BM2RHD |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #128,636 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #268 in HVAC Ducting |
| Brand | ABuff |
| Color | Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (240) |
| Date First Available | March 25, 2020 |
| Included Components | Duct Connector |
| Item Length | 6 Inches |
| Item Package Quantity | 1 |
| Item Weight | 4.2 ounces |
| Item model number | ABUS-DuctCnect-4in-Blk-200325 |
| Manufacturer | Abuff |
| Material | Plastic |
| Outside Diameter | 6 Inches |
| Part Number | ABUS-DuctCnect-4in-Blk-200325 |
| Product Dimensions | 6"L x 6"W |
| UPC | 764690022352 |

## Product Details

- **Brand:** ABuff
- **Color:** Black
- **Item Length:** 6 Inches
- **Manufacturer:** Abuff
- **Material:** Plastic
- **Outside Diameter:** 6 Inches
- **Product Dimensions:** 6"L x 6"W
- **UPC:** 764690022352

## Images

![4 inch Duct Connector, 2 Pack Plastic Straight Pipe Flanges, Ventilation Ducting Connector for Heating Cooling Ventilation System - Image 1](https://m.media-amazon.com/images/I/61kI6lX2tUL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit
*by A***R on February 25, 2025*

Built a box and made a cutout for this for roof vent exhaust fan with 4 inch exhaust hose. Works perfectly for the job I used it for

### ⭐⭐⭐⭐⭐ If you need to attach a 4" hose, these are great
*by T***9 on July 6, 2024*

They work fantastically. I used one to attach a 4" hose to my laser enclosure which came with a 3" port. Now I get better flow and this truly takes care of the miniscule amount of fumes that were escaping previously.

### ⭐⭐⭐⭐⭐ Use these for 3D Printing.
*by A***W on September 6, 2022*

I use these for my printing enclosure to vent out fumes. It’s very sturdy and secure, holds the vent tube well, and doesn’t come loose.

## Frequently Bought Together

- Abuff 4 inch Duct Connector, 2 Pack Plastic Straight Pipe Flanges, Ventilation Ducting Connector for Heating Cooling Ventilation System
- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust
- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-08*