---
product_id: 358988301
title: "Vents 4 inch 100 mm Black Plastic Fixed Blade Grille with Fly Mesh 4 inch Rear Spigot for Internal External Air Vent Cover Wall Ceiling Mounting Louvre Grill Insect Screen Bathroom Ventilation"
brand: "vents uk"
price: "₱1996"
currency: PHP
in_stock: true
reviews_count: 8
category: "Vents Uk"
url: https://www.desertcart.ph/products/358988301-vents-4-inch-100-mm-black-plastic-fixed-blade-grille
store_origin: PH
region: Philippines
---

# 100 mm (4") duct size Built-in insect mesh screen UV & temperature resistant plastic Vents 4 inch 100 mm Black Plastic Fixed Blade Grille with Fly Mesh 4 inch Rear Spigot for Internal External Air Vent Cover Wall Ceiling Mounting Louvre Grill Insect Screen Bathroom Ventilation

**Brand:** vents uk
**Price:** ₱1996
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** Vents 4 inch 100 mm Black Plastic Fixed Blade Grille with Fly Mesh 4 inch Rear Spigot for Internal External Air Vent Cover Wall Ceiling Mounting Louvre Grill Insect Screen Bathroom Ventilation by vents uk
- **How much does it cost?** ₱1996 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/358988301-vents-4-inch-100-mm-black-plastic-fixed-blade-grille)

## 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

- • **Insect-Proof Protection:** Integrated fine mesh screen keeps bugs out while maintaining optimal airflow.
- • **Tool-Friendly Maintenance:** Louvre blades easily flick open with a flathead screwdriver for quick cleaning and upkeep.
- • **Versatile Mounting Options:** Ideal for internal/external walls, ceilings, soffits, and fascia—compliant with Part F Building Regulations.
- • **Durable Weatherproof Design:** UV and temperature-resistant plastic ensures long-lasting performance without discoloration or warping.
- • **Precision Fit for 100 mm Ducts:** Seamlessly integrates with standard extractor fans and ducting for hassle-free installation.

## Overview

The Vents 4 inch (100 mm) Black Plastic Fixed Blade Grille combines robust UV and temperature-resistant materials with a built-in insect mesh, ensuring durable, weatherproof ventilation for both internal and external applications. Designed for easy installation and maintenance, it fits standard ducts and extractor fans, making it perfect for bathrooms, kitchens, HVAC systems, and more—all while complying with building regulations.

## Description

This plastic black fixed blade grille has 100 mm 4" dia duct connection size. The overall dimension of the grille is 155 mm x 155 mm. Premium quality temperature and UV-resistant anti-static plastic that prevents the item from discolouring. Weatherproof louvered blades assist in reducing the effects of wind and rain. Louvre air vent grille to be used for the supply air and extract air of ventilation and air conditioning systems. Designed to fit any extractor fan, cooker hood, or duct to both: an external and internal wall. Simple and secure to fit with flush mounted fasteners. The louvre can be flicked open with flat head screwdriver which makes the ventilation grill installation and maintenance simple. The product is equipped with a protecting insect screen to prevent insects from entering. Ideal for roof soffit, fascia mounting. Suitable to use in compliance with Part F Building Regulations. This ducting outlet can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive stack vent, air conditioning, HVAC, and Heat Recovery Systems. Great for ducting your bathroom vent cover, Toilet, or Kitchen extractor fan, Air vents for shed, In-Line Extract Fans, or Cooker Hood, Hydroponics. To offer you a complete solution for your ventilation needs, we also supply three different sizes to fit 100 mm 4", 125 mm 5" and 150 mm 6" duct or extractor fan connections. For full range of our products (extractor fans, vents and grills, ducting, heat recovery Systems) please type VENTS and the relevant product in desertcart search bar. VENTS products covered by 100% Satisfaction Guarantee.

Review: Good replacement - Good, sturdy cover with mesh behind it.
Review: Looks great - Fits perfectly

## Features

- This plastic black fixed blade grille has 100 mm 4" dia duct connection size. The overall dimension of the grille is 155 mm x 155 mm.
- Premium quality temperature and UV-resistant anti-static plastic that prevents the item from discolouring. Weatherproof louvered blades assist in reducing the effects of wind and rain.
- Louvre air vent grille to be used for the supply air and extract air of ventilation and air conditioning systems. Designed to fit any extractor fan, cooker hood, or duct to both: an external and internal wall.
- Simple and secure to fit with flush mounted fasteners. The louvre can be flicked open with flat head screwdriver which makes the ventilation grill installation and maintenance simple. The product is equipped with a protecting insect screen to prevent insects from entering.
- Ideal for roof soffit, fascia mounting. Suitable to use in compliance with Part F Building Regulations. This ducting outlet can be used as a part of a long ductwork run for a variety of purposes including whole-house ventilation, passive stack vent, air conditioning, HVAC, and Heat Recovery Systems. Great for ducting your bathroom vent cover, Toilet, or Kitchen extractor fan, Air vents for shed, In-Line Extract Fans, or Cooker Hood, Hydroponics

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09BZT4M8C |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 7,692 in DIY & Tools ( See Top 100 in DIY & Tools ) 26 in Registers, Grilles & Vents |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (358) |
| Date First Available | 5 Aug. 2021 |
| Item Weight | 110 g |
| Manufacturer | VENTS UK |
| Material | Plastic |
| Package Dimensions | 15.3 x 15.3 x 4.4 cm; 110 g |
| Special Features | Easy to Install |

## Images

![Vents 4 inch 100 mm Black Plastic Fixed Blade Grille with Fly Mesh 4 inch Rear Spigot for Internal External Air Vent Cover Wall Ceiling Mounting Louvre Grill Insect Screen Bathroom Ventilation - Image 1](https://m.media-amazon.com/images/I/51k1fm4Dh+L.jpg)

## Questions & Answers

**Q: What size screws will I need for the plain white 100mm version? Screws on previous one are thicker. Also, does the outside clip off for cleaning?**
A: I was lucky as it was a replacement and I could use the old screws. They were about number 4 by 1/2 inch plated, or brass as there is moisture. The cover does clip off but it is a "good fit" and you would risk damageing it. It also becomes more brittle with age. Mine was in situ about 20 years and only realy needed replacing as the bathroom was refitted and it was a white suite so it showed up as  needing renewing due to it becoming an off whiteshade.

**Q: Silly question, is the mesh screen optional or must they be fitted**
A: Hi,
No question is a silly question!
The mesh comes pre-installed on all our Fixed Blade models. If you wish to remove it, you can.
Kind regards,
The Ventilation Shop

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good replacement
*by L***N on 1 October 2025*

Good, sturdy cover with mesh behind it.

### ⭐⭐⭐⭐⭐ Looks great
*by C***E on 8 June 2025*

Fits perfectly

### ⭐⭐⭐⭐ Vent
*by M***Y on 30 October 2025*

Mesh vent grill works well

## Frequently Bought Together

- Vents 4 inch 100 mm Black Plastic Fixed Blade Grille with Fly Mesh 4 inch Rear Spigot for Internal External Air Vent Cover Wall Ceiling Mounting Louvre Grill Insect Screen Bathroom Ventilation
- TUPARKA 4 Pack Large Size Metal Hose Clips 91-114 mm Adjustable Ducting Clamps for Securing Hoses and Pipes Tube

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.ph/products/358988301-vents-4-inch-100-mm-black-plastic-fixed-blade-grille](https://www.desertcart.ph/products/358988301-vents-4-inch-100-mm-black-plastic-fixed-blade-grille)

---

*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-01-31*