---
product_id: 97640226
title: "2447B 100mm Round Cowled Through Wall Duct Vent Kit (Brown)"
brand: "national ventilation"
price: "17.19 OMR"
currency: OMR
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.om/products/97640226-2447b-100mm-round-cowled-through-wall-duct-vent-kit-brown
store_origin: OM
region: Oman
---

# Install from inside - no scaffolding needed 350mm pipe length - quick install 104mm diameter duct - perfect fit 2447B 100mm Round Cowled Through Wall Duct Vent Kit (Brown)

**Brand:** national ventilation
**Price:** 17.19 OMR
**Availability:** ✅ In Stock

## Summary

> 🏢 Upgrade your airflow game—vent smarter, not harder!

## Quick Answers

- **What is this?** 2447B 100mm Round Cowled Through Wall Duct Vent Kit (Brown) by national ventilation
- **How much does it cost?** 17.19 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/97640226-2447b-100mm-round-cowled-through-wall-duct-vent-kit-brown)

## Best For

- national ventilation enthusiasts

## Why This Product

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

## Key Features

- • **Complete Kit:** Includes round cowl, rubber sealing gasket, pipe, and wall plate for a hassle-free setup.
- • **Precision Fit:** 104mm diameter duct ensures seamless integration with standard ventilation systems.
- • **Durable & Reliable:** Crafted with quality rubber and sturdy materials to withstand the elements and ensure long-lasting performance.
- • **Space-Smart Design:** Compact 482mm overall length fits perfectly in tight wall spaces, ideal for high-rise buildings.
- • **Effortless Installation:** Install from inside, eliminating risky scaffolding or ladder work.

## Overview

The 2447B 100mm Round Cowled Through Wall Duct Vent Kit by National Ventilation is a complete, easy-to-install ventilation solution designed for upper floors and high-rise buildings. Featuring a 104mm diameter duct and a 350mm pipe length, it allows safe installation from inside, saving time and avoiding external scaffolding. The kit includes all necessary components—round cowl, rubber sealing gasket, pipe, and wall plate—ensuring a durable, efficient, and professional finish.

## Description

Through Wall Vent Kit

## Features

- Through Wall Vent Kit
- Contains: 1 x Round Cowl, 1 x Rubber Sealing Gasket, 1 x 350mm length of 100mm pipe and wall plate
- Save time and money when installing on an upper floor or in a high rise building.
- This outlet can be installed from inside remvoing the need to work from steps or scaffolding
- 104mm diameter duct. 482mm overall length.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | National Ventilation |
| Part Number | National Ventilation |
| Package Dimensions | 49.6 x 16.5 x 12.1 cm; 480 g |
| Item model number | National Ventilation |
| Colour | Brown |
| Material | rubber |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 480 g |

## Images

![2447B 100mm Round Cowled Through Wall Duct Vent Kit (Brown) - Image 1](https://m.media-amazon.com/images/I/51mq+L5BqcL.jpg)

## Questions & Answers

**Q: What size core drill should be used?**
A: 108mm core size

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to apply
*by A***R on 30 April 2023*

Great bit of kit, once the hole has been bored its easy to fit.

### ⭐⭐⭐⭐⭐ Perfect!
*by J***C on 15 October 2022*

Makes life easy! No ladders needed

### ⭐⭐⭐⭐⭐ Safety
*by J***S on 5 March 2020*

These work. Use the correct size core drill and they do the job saving a tricky operation at the top of a ladder

## Frequently Bought Together

- National Ventilation 2447B 100mm Round Cowled Through Wall Duct Vent Kit (Brown)
- Greenwood Airvac CV2GIP Unity Any Room Extractor dMEV Fan

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**Shop now:** [https://www.desertcart.com.om/products/97640226-2447b-100mm-round-cowled-through-wall-duct-vent-kit-brown](https://www.desertcart.com.om/products/97640226-2447b-100mm-round-cowled-through-wall-duct-vent-kit-brown)

---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-02*