---
product_id: 74620980
title: "Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14\" Inches 450mm x 450mm)"
brand: "powerstar electricals"
price: "S$120"
currency: SGD
in_stock: true
category: "Powerstar Electricals"
url: https://www.desertcart.sg/products/74620980-metal-gravity-louvre-grille-flap-air-vent-shutter-for-industrial
store_origin: SG
region: Singapore
---

# Wall-mount design for industrial use Gravity-operated flap for airflow control Powder-coated metal for durability Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm)

**Brand:** powerstar electricals
**Price:** S$120
**Availability:** ✅ In Stock

## Summary

> 🌪️ Keep your airflow smart and your space protected — the industrial vent upgrade you didn’t know you needed!

## Quick Answers

- **What is this?** Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm) by powerstar electricals
- **How much does it cost?** S$120 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/74620980-metal-gravity-louvre-grille-flap-air-vent-shutter-for-industrial)

## Best For

- powerstar electricals enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Robust powder-coated metal construction resists corrosion and wear
- • **Prime Delivery:** Fast, reliable shipping ensures you’re never left waiting in critical moments
- • **Weather Shield:** Effective backdraught shutter blocks rain and wind when fans are off
- • **Smart Airflow Control:** Gravity-operated louvre flap opens only when airflow starts, preventing backdraughts
- • **Effortless Installation:** Designed for easy wall mounting, perfect for industrial and commercial settings

## Overview

The Metal Gravity Louvre Grille Flap Air Vent Shutter is a powder-coated, corrosion-resistant metal shutter designed for wall mounting on industrial and commercial fans. Its gravity-operated flap ensures efficient airflow only when the fan is active, while preventing backdraughts, rain, and wind intrusion when inactive. Available in 8" and 14" sizes, it combines durability with practical weather protection, backed by fast delivery and strong customer satisfaction.

## Description

Free delivery and returns on all eligible orders. Shop Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm).

## Features

- Mounting: Suitable for wall installation
- Air Operated when airflow commences
- Backdraught Metal shutter for mounting on the wall to stop rain and wind when the fan is not in use
- Brand new and boxed, Powder coated, Metal construction

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01K4V59G4 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 111,186 in DIY & Tools ( See Top 100 in DIY & Tools ) 506 in Registers, Grilles & Vents |
| Colour | Black/White |
| Customer Reviews | 4.4 4.4 out of 5 stars (48) |
| Date First Available | 9 Aug. 2016 |
| Guaranteed software updates until | unknown |
| Included Components | NO |
| Item model number | SRB |
| Manufacturer | Powerstar Electricals LTD |
| Product Dimensions | 27 x 27 x 6 cm |
| Size | 14" Inches 450mm x 450mm |

## Images

![Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm) - Image 1](https://m.media-amazon.com/images/I/51+LEjJ955L.jpg)
![Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm) - Image 2](https://m.media-amazon.com/images/I/31nuAgRgmuL.jpg)
![Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm) - Image 3](https://m.media-amazon.com/images/I/41+KZHCxVjL.jpg)
![Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm) - Image 4](https://m.media-amazon.com/images/I/41tIpzV4LiL.jpg)
![Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm) - Image 5](https://m.media-amazon.com/images/I/417qz4hLeTL.jpg)

## Available Options

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

## Questions & Answers

**Q: Is this 310mm.or is it 8inch? It cannot be both - thanks**
A: There is a flange plate where the mounting holes are and this is 310mm square. The actual louvre grille is 200mm square

**Q: 310mm is just over 12" not 8"or am I wrong? So what is the correct measurement of this item?**
A: Mine was 310mm

## Frequently Bought Together

- Metal Gravity Louvre Grille Flap Air Vent Shutter for Industrial Commercial Fans 8'' Inches & 14 Inches (14" Inches 450mm x 450mm)
- Everbuild General Purpose Silicone Sealant – Waterproof – Suitable for Interior and Exterior Use – Clear – 280ml
- Everbuild Everflex Roof and Gutter Sealant – Butyl-Based Sealant and Adhesive for Roofing – Excellent Weathering Properties – Black – 295 ml

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**Shop now:** [https://www.desertcart.sg/products/74620980-metal-gravity-louvre-grille-flap-air-vent-shutter-for-industrial](https://www.desertcart.sg/products/74620980-metal-gravity-louvre-grille-flap-air-vent-shutter-for-industrial)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-08*