---
product_id: 79798472
title: "White Square Extractor Louvre Air Vent Duct Grille 100mm, 4 Inch Wall Fan Outlet"
brand: "home smart"
price: "$65"
currency: NZD
in_stock: true
reviews_count: 2
category: "Home Smart"
url: https://www.desertcart.nz/products/79798472-white-square-extractor-louvre-air-vent-duct-grille-100mm-4
store_origin: NZ
region: New Zealand
---

# 140mm x 140mm compact size Dual fitting for 100mm round & square ducts UV stable materials prevent color fade White Square Extractor Louvre Air Vent Duct Grille 100mm, 4 Inch Wall Fan Outlet

**Brand:** home smart
**Price:** $65
**Availability:** ✅ In Stock

## Summary

> 🌬️ Elevate your airflow game with style and reliability!

## Quick Answers

- **What is this?** White Square Extractor Louvre Air Vent Duct Grille 100mm, 4 Inch Wall Fan Outlet by home smart
- **How much does it cost?** $65 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/79798472-white-square-extractor-louvre-air-vent-duct-grille-100mm-4)

## Best For

- home smart enthusiasts

## Why This Product

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

## Key Features

- • **Regulation-Ready:** British made and compliant with Part F building regulations for peace of mind.
- • **Backdraft Prevention:** Engineered louvre design helps keep unwanted airflow and weather elements out.
- • **Compact & Clean Design:** Sleek 140mm x 140mm profile blends discreetly into any wall or ceiling space.
- • **UV-Resistant Durability:** Crafted with UV stable ABS thermoplastic to maintain pristine white finish over time.
- • **Seamless Dual Compatibility:** Fits both round and square 100mm ducts effortlessly for versatile installation.

## Overview

The White Square Extractor Louvre Air Vent Duct Grille is a British-made, UV-stable ABS thermoplastic vent designed for 100mm (4 inch) round or square ducting. Measuring 140mm x 140mm, it features a dual fitting system and a louvre design that prevents backdrafts, making it suitable for both commercial and domestic ventilation needs while complying with Part F building regulations.

## Description

White Air Vent Ducting Grille For 4 Inch (100mm) Extractor Fan Ducting Louvre wall vent and weather sill. Helps prevent backdrafts. Manufactured with UV stable materials to reduce colour fade. Dual fitting for round 100mm (4 Inch) ducting or square ducting. Overall size: 140mm x 140mm. British made. ABS thermoplastic. Complies with Part F building regulations. Suitable for commercial and domestic use. Other vents and colours available in our shop.

Review: Not up to the job - This vent has a simple job to do, but it's just not up to it. Made from the very thinnest plastic, it is not strong enough to hold the flexible ducting in place, when secured with a metal "jubilee" type of clip. Tighten the clip too loose, the ducting just pops off (probably a week or two after you installed it). See right of photo. Tighten the clip too tight, and it just crushes the thin tabs on the vent. An older style vent that I have (shown on left of photo) has a solid annular ring around which the flexible ducting sits and to which it can then be securely clamped. Not recommended.
Review: Easy - Easy to install

## Features

- White Extractor Louvre Wall Vent.
- Pack of 1.
- Overall size: 140mm x 140mm.
- Dual fitting For round 100mm (4 Inch) ducting or square ducting.
- Manufactured with UV stable materials to reduce colour fade.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00GOU0OX8 |
| Best Sellers Rank | 1,179,244 in DIY & Tools ( See Top 100 in DIY & Tools ) 6,052 in Registers, Grilles & Vents |
| Brand | Home Smart |
| Colour | White |
| Customer Reviews | 2.7 2.7 out of 5 stars (3) |
| Date First Available | 15 Nov. 2013 |
| Model Number | hsmart-376 |
| Special Features | Portable |

## Product Details

- **Brand:** Home Smart
- **Colour:** White
- **Electric fan design:** Exhaust Fan
- **Included components:** Cord
- **Material:** Acrylonitrile Butadiene Styrene
- **Mounting type:** Window Mount
- **Power source:** Corded Electric
- **Recommended uses for product:** Ventilating
- **Room type:** Bathroom
- **Special feature:** Portable

## Images

![White Square Extractor Louvre Air Vent Duct Grille 100mm, 4 Inch Wall Fan Outlet - Image 1](https://m.media-amazon.com/images/I/51rSXAb+79L.jpg)

## Customer Reviews

### ⭐ Not up to the job
*by L***S on 20 November 2022*

This vent has a simple job to do, but it's just not up to it. Made from the very thinnest plastic, it is not strong enough to hold the flexible ducting in place, when secured with a metal "jubilee" type of clip. Tighten the clip too loose, the ducting just pops off (probably a week or two after you installed it). See right of photo. Tighten the clip too tight, and it just crushes the thin tabs on the vent. An older style vent that I have (shown on left of photo) has a solid annular ring around which the flexible ducting sits and to which it can then be securely clamped. Not recommended.

### ⭐⭐⭐⭐⭐ Easy
*by G***S on 20 March 2021*

Easy to install

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**Shop now:** [https://www.desertcart.nz/products/79798472-white-square-extractor-louvre-air-vent-duct-grille-100mm-4](https://www.desertcart.nz/products/79798472-white-square-extractor-louvre-air-vent-duct-grille-100mm-4)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-14*