---
product_id: 403686781
title: "125 mm / 5\" Inch Duct Connector Flange - White Plastic Wall Plate Adapter for Round Ventilation Pipes - HVAC Fitting for Bathroom, Kitchen, Garage - Easy-to-Install Indoor and Outdoor Use"
brand: "vent systems"
price: "฿1491"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/403686781-125-mm-5-inch-duct-connector-flange-white-plastic-wall
store_origin: TH
region: Thailand
---

# 125 mm precision fit Heat & moisture resistant DIY-friendly pre-drilled holes 125 mm / 5" Inch Duct Connector Flange - White Plastic Wall Plate Adapter for Round Ventilation Pipes - HVAC Fitting for Bathroom, Kitchen, Garage - Easy-to-Install Indoor and Outdoor Use

**Brand:** vent systems
**Price:** ฿1491
**Availability:** ✅ In Stock

## Summary

> 🌬️ Seal the airflow, not your style!

## Quick Answers

- **What is this?** 125 mm / 5" Inch Duct Connector Flange - White Plastic Wall Plate Adapter for Round Ventilation Pipes - HVAC Fitting for Bathroom, Kitchen, Garage - Easy-to-Install Indoor and Outdoor Use by vent systems
- **How much does it cost?** ฿1491 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/403686781-125-mm-5-inch-duct-connector-flange-white-plastic-wall)

## Best For

- vent systems enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Durable plastic withstands temperatures from -5°C to 60°C, ideal for any indoor or outdoor environment.
- • **Energy-Smart Seal:** Tight duct-to-wall fit reduces air leaks, boosting HVAC efficiency and cutting energy waste.
- • **Perfect 125 mm Fit:** Engineered for a snug, leak-proof connection with all standard 5-inch ventilation ducts.
- • **Effortless Installation:** Pre-drilled mounting holes make setup a breeze—no pro needed, just your screwdriver.
- • **Versatile Vent Solution:** Designed for bathrooms, kitchens, garages, and more—adaptable to all your ventilation needs.

## Overview

The Vent Systems 125 mm Duct Connector Flange is a precision-engineered, durable plastic adapter designed for seamless connection with standard 5-inch round ventilation pipes. Its heat and moisture-resistant build ensures reliable performance indoors and outdoors, while pre-drilled holes enable quick, hassle-free installation. Ideal for enhancing HVAC efficiency in residential and commercial spaces.

## Description

Full description not available

## Features

- MALE FIT CONNECTOR FOR 125 MM / 5 INCH DUCTING – Designed with 124 mm / 4.88 inch diameter for all standard 125 mm / 5 inch round ventilation pipes and HVAC ducts. Provides a precise and secure fit for reliable airflow.
- DURABLE PLASTIC MATERIAL – Made from plastic that resists heat, cold, and moisture with temperature resistant rage 23°F/-5°C to 140°F/+60°C. Built to last in kitchens, bathrooms, garages, and outdoor installations.
- SECURE CONNECTION – Ensures tight duct-to-surface sealing, reducing air leaks and improving energy efficiency. Provides safe and stable system performance.
- EASY DIY INSTALLATION – Pre-drilled holes make wall, ceiling, or panel mounting quick and hassle-free. (SCREWS NOT INCLUDED)
- VERSATILE USE – Suitable for ventilation ducts in bathrooms, kitchens, utility rooms, and heating or cooling systems. Works indoors and outdoors.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Vent Systems |
| Item model number | 4751037230026 |
| Size | 125 mm / 4.94" |
| Colour | White |
| Material | Plastic |
| Shape | Square |
| Installation method | Wall-Mounted |
| Item Package Quantity | 1 |
| Number of Pieces | 1 |
| Cutting Diameter | 4.92 Inches |
| Special Features | Easy to Install |
| Usage | Commercial/Residential |
| Included Components | Flange |
| Batteries included? | No |
| Batteries Required? | No |
| Assembled Diameter | 4.92 Inches |
| Item Weight | 79.8 g |

## Product Details

- **Size:** 125 mm / 4.94"
- **Material:** Plastic
- **Brand:** Vent Systems
- **Colour:** White
- **Item dimensions L x W x H:** 17 x 17 x 6 centimetres
- **Connector type:** Flange
- **Thread size:** 5 inch
- **Exterior finish:** Plastic
- **Thread type:** NPT
- **Item weight:** 2.82 Ounces

## Images

![125 mm / 5" Inch Duct Connector Flange - White Plastic Wall Plate Adapter for Round Ventilation Pipes - HVAC Fitting for Bathroom, Kitchen, Garage - Easy-to-Install Indoor and Outdoor Use - Image 1](https://m.media-amazon.com/images/I/51RGj28qtSL.jpg)

## Available Options

This product comes in different **Size Name, Item Package Quantity** options.

## Questions & Answers

**Q: my pipe in the wall is metal with a flange and wondering if this will hook up to it?**
A: inside diameter 3 3/4 outside 3 7/8

**Q: Does this have an inside flap similar to this model...https://www.amazon.com/Vent-Systems-Connector-Straight-Ventilation/dp/B08GY38QP5/ref=sr_1_3?cri**
A: No, there's no inside flap.

**Q: What is the diameter of the square?**
A: 6x6

**Q: What is the outer dimension of the flange?**
A: 6 inch square plate

## Frequently Bought Together

- Vent Systems 125 mm / 5" Inch Air Vent Duct Connector Flange - Plastic Ventilation Pipe - Ducting Connector for Round Flexible or Straight Pipes, Cooling Heating Ventilation System HVAC
- Hon&Guan Aluminium PVC Ventilation Air Ducting 5inch Flexible Vent Hose Pipe for Extractor Fan, Cooker Hood(ø125mm*5m,Black)

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**Shop now:** [https://www.desertcart.co.th/products/403686781-125-mm-5-inch-duct-connector-flange-white-plastic-wall](https://www.desertcart.co.th/products/403686781-125-mm-5-inch-duct-connector-flange-white-plastic-wall)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-01-22*