---
product_id: 354403212
title: "Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer"
brand: "vents uk"
price: "VT9510"
currency: VUV
in_stock: true
reviews_count: 9
category: "Vents Uk"
url: https://www.desertcart.vu/products/354403212-vents-100mm-black-external-gravity-vent-grille-155x155mm-diameter-outside
store_origin: VU
region: Vanuatu
---

# Push-fit for quick, secure installation Fits 100mm ducting perfectly 3 gravity shutters block draughts & debris Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer

**Brand:** vents uk
**Price:** VT9510
**Availability:** ✅ In Stock

## Summary

> 🖤 Elevate your airflow game with sleek, smart ventilation!

## Quick Answers

- **What is this?** Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer by vents uk
- **How much does it cost?** VT9510 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/354403212-vents-100mm-black-external-gravity-vent-grille-155x155mm-diameter-outside)

## Best For

- vents uk enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Compact Finish:** 155x155mm external size ensures a neat, modern wall or ceiling appearance.
- • **Smart Gravity Shutters:** Three non-return flaps automatically open with airflow and close to block unwanted elements.
- • **Regulation-Ready Ventilation:** Built to comply with UK Building Regulations Approved Document F for peace of mind.
- • **Effortless Push-Fit Installation:** Quick, tool-free connection saves time and guarantees a secure seal.
- • **Seamless 100mm Duct Compatibility:** Designed to fit standard 100mm ducting for effortless integration.

## Overview

The Vents 100mm Black External Gravity Vent Grille offers a durable, weather-resistant solution for external ventilation needs. Featuring a 100mm rear spigot and compact 155x155mm faceplate, it fits standard ducting and provides a clean finish. Its three gravity shutters prevent draughts, rain, noise, and pests from entering, while the push-fit design ensures fast, secure installation. Fully compliant with UK Building Regulations, it’s ideal for bathrooms, kitchens, HVAC, and whole-house ventilation systems.

## Description

Product Description Overview The Vents Black 100mm Gravity Grille is designed to provide reliable external ventilation with effective back-draught protection. Manufactured from durable, weather-resistant plastic and finished in a sleek black colour, it delivers both performance and a clean, modern exterior appearance. With a 100mm (4") rear spigot and integrated gravity shutters, this grille is ideal for terminating duct runs in domestic and light commercial ventilation systems. Key Features Fits standard 100mm ducting with 100mm rear spigot Overall external size 155 × 155 mm for a neat wall finish Three gravity non-return flaps to reduce backflow and draughts Simple push-fit connection for quick installation Manufactured in line with UK Building Regulations Approved Document F Benefits The built-in gravity shutters automatically open during extraction and close when airflow stops, helping to block cold draughts, rain ingress, insects, odours, and external noise from entering the duct system. Its compact 155 × 155 mm faceplate provides a tidy, professional finish on external walls, while the black colour blends well with modern brickwork, render, and cladding. The push-fit 100mm rear spigot ensures fast connection to standard ducting, with the option to seal using mastic, cement, or tape for a secure, airtight installation. Applications Suitable for bathroom and kitchen extractor fans, whole-house ventilation systems, HVAC installations, passive airflow setups, and heat recovery systems. Ideal as an external wall termination grille for 100mm ducting. Installation Notes Designed for direct push-fit installation into 100mm ducting. For best results, ensure the grille is securely seated and sealed where necessary to prevent air leakage. Manufactured to support compliant domestic ventilation installations in line with Approved Document F.

Review: good quality - good quality and easy to install
Review: Great value and works well. - As described and does its job well.

## Features

- Fits standard 100mm ducting – Gravity grille with 100mm (4”) rear spigot; overall external size 155 × 155 mm for a neat wall or ceiling finish.
- Non-return shutters – Three gravity flaps open with airflow and close when the fan is off, helping block draughts, rain, noise, odours, insects, and debris.
- Push-fit installation – Simple push-fit connection to 100mm ducting; can be sealed with mastic, cement, or tape if required for a secure finish.
- Wide ventilation compatibility – Suitable for bathroom and kitchen extractor fans, whole-house ventilation, HVAC, passive airflow, and heat recovery systems.
- Building Regulations compliant – Manufactured in line with Approved Document F, supporting compliant domestic ventilation installations.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09BZWH4JQ |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 2,216 in DIY & Tools ( See Top 100 in DIY & Tools ) 3 in Registers, Grilles & Vents |
| Colour | 100 Mm Black Gravity Grille |
| Customer Reviews | 4.5 4.5 out of 5 stars (944) |
| Date First Available | 5 Aug. 2021 |
| Item Weight | 100 g |
| Manufacturer | VENTS UK |
| Material | Plastic |
| Package Dimensions | 15.3 x 15.2 x 4.4 cm; 100 g |
| Special Features | Easy to Install |

## Images

![Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer - Image 1](https://m.media-amazon.com/images/I/51KG91N0n1L.jpg)
![Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer - Image 2](https://m.media-amazon.com/images/I/71ISyT6oulL.jpg)
![Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer - Image 3](https://m.media-amazon.com/images/I/71avjmTdkwL.jpg)
![Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer - Image 4](https://m.media-amazon.com/images/I/81y-gvgnz-L.jpg)
![Vents 100mm Black External Gravity Vent Grille – 155x155mm Diameter Outside Wall Cover for Extractor Fans, Bathroom & Tumble Dryer - Image 5](https://m.media-amazon.com/images/I/81Me2uGVV7L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ good quality
*by P***R on 9 February 2026*

good quality and easy to install

### ⭐⭐⭐⭐⭐ Great value and works well.
*by J***M on 27 January 2026*

As described and does its job well.

### ⭐⭐⭐⭐ Perfectly adequate but no fixings included
*by D***E on 24 December 2025*

Fine for the job - no fixings were the only disappointment and hence the 4 star review

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**Shop now:** [https://www.desertcart.vu/products/354403212-vents-100mm-black-external-gravity-vent-grille-155x155mm-diameter-outside](https://www.desertcart.vu/products/354403212-vents-100mm-black-external-gravity-vent-grille-155x155mm-diameter-outside)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-04*