---
product_id: 806226068
title: "100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor)"
brand: "weiworld"
price: "₨2890"
currency: SCR
in_stock: true
reviews_count: 8
category: "Weiworld"
url: https://www.desertcart.sc/products/806226068-100-mm-through-wall-passive-air-vent-kit-with-filter
store_origin: SC
region: Seychelles
---

# 3-level adjustable airflow control 130 CFM airflow capacity Durable SS304 stainless steel grille 100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor)

**Brand:** weiworld
**Price:** ₨2890
**Availability:** ✅ In Stock

## Summary

> 🌿 Breathe smarter, live fresher—no noise, no bills, just pure air.

## Quick Answers

- **What is this?** 100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor) by weiworld
- **How much does it cost?** ₨2890 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/806226068-100-mm-through-wall-passive-air-vent-kit-with-filter)

## Best For

- weiworld enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Airflow Control:** Three adjustable settings let you tailor ventilation to seasonal and room-specific needs.
- • **Effortless Installation & Fit:** Telescopic 100mm duct adapts to various wall thicknesses for a perfect, hassle-free fit.
- • **Weatherproof & Pest-Resistant:** Stainless steel grille with rain-deflecting design and mesh filter keeps debris and insects out.
- • **Silent, Energy-Free Ventilation:** Enjoy continuous fresh air without electricity or noise—eco-friendly and cost-saving.
- • **Simple Maintenance, Long-Term Performance:** Removable internal filter ensures easy cleaning and sustained air quality.

## Overview

The 100 mm Through Wall Passive Air Vent Kit offers a silent, energy-free ventilation solution with a 130 CFM airflow capacity. Featuring a 3-level adjustable airflow control and a flexible telescopic duct, it fits various wall thicknesses effortlessly. Its durable SS304 stainless steel external grille with rain protection and mesh filter ensures weather resistance and pest prevention. Ideal for bedrooms, attics, and home offices, this vent improves indoor air quality without electricity or noise, backed by easy maintenance and a 1-year warranty.

## Description

Product Description

Review: Fits Well - Looks Good - Works As Desired - I've installed this passive air vent in my little bathroom. Luckily there was a similar model already installed before so I didn't have to drill a massive hole. I think these passive air vents are a straightforward and effective solution for improving indoor air quality without the noise or running costs of a mechanical system. The 4-inch diameter seems standard size and fit the existing hole in the wall perfectly. It is ideal for providing a consistent stream of fresh air into the bathroom (or any other room as required), helping to prevent the build-up of condensation. The construction of this unit feels durable, especially the external grill made from stainless steel, which can't break as easily as the plastic versions available. I found the replacement process quite simple due to the extendable ducting, which allows the unit to pass through various wall thicknesses without needing complex modifications or additional piping. The airflow can be adjusted, so you can manually control the volume of intake depending on the season, which is essential for preventing drafts during the colder months. I have also noticed that the included filter does a good job of trapping dust so it doesn't enter the bathroom. The bathroom faces a fairly busy road outside and there would otherwise be a lot of black micro dust inside the room. Since there is no motor, the vent operates in complete silence, doesn't generate further costs for electricity and should last much longer than an electric fan.
Review: Simple, practical ventilation that actually works - Installation was straightforward thanks to the adjustable telescopic duct, and the stainless steel grille looks neat on the wall without being obtrusive. The three-level airflow control is easy to adjust based on what you need, and the mesh filter is simple to clean when required. It's quietly doing its job of improving air quality without any electricity costs, which makes it decent value for money. The build quality feels solid and the rain protection design seems sensible for outdoor weather exposure.

## Features

- Natural Through Wall Ventilation - Provides continuous passive ventilation without electricity or a motor, using natural air pressure differences to support steady air exchange between indoor and outdoor environments
- Energy-Efficient Passive Airflow Design - No power supply required and no running costs, offering a simple and efficient way to improve home ventilation without increasing energy consumption
- 3-Level Adjustable Airflow Control - Features an internal ABS cover with 3 airflow settings, allowing you to adjust ventilation levels according to room conditions and seasonal needs for balanced indoor airflow
- Flexible Installation with 100mm Telescopic Duct - Includes a 4 inch (100mm) aluminium telescopic duct that adjusts to different wall thicknesses, making it suitable for various wall structures and easy through-wall installation
- Durable SS304 External Grille with Mesh Protection - Equipped with a weather-resistant stainless steel 304 external cover with 45° rain-deflecting design and integrated mesh filter to help block insects and debris while ensuring stable airflow
- Easy Maintenance and Removable Filter - Designed for simple maintenance with a removable internal filter for easy cleaning and replacement, helping maintain consistent ventilation performance over time

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0FJ1GLRDF |
| Air Flow Capacity | 130 Cubic Inches Per Minute |
| Best Sellers Rank | 60,405 in DIY & Tools ( See Top 100 in DIY & Tools ) 43 in Household Ventilation Fans |
| Brand | Weiworld |
| Brand Name | Weiworld |
| Colour | White |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 10 Reviews |
| Electric Fan Design | Exhaust Fan |
| Electric fan design | Exhaust Fan |
| Item Dimensions D x W x H | 15D x 16W x 20H centimetres |
| Item Weight | 0.5 Kilograms |
| Manufacturer | shenzhenshi zhongguan nengyuan keji youxian gongsi |
| Material | Acrylonitrile Butadiene Styrene, Stainless Steel |
| Model Number | FAV-100 |
| Mounting Type | Wall Mount |
| Noise Level | 18 Decibels |
| Power Source | Air Powered |
| Power source | Air Powered |
| Product Warranty | 1 year manufacturer. |
| Product dimensions | 15D x 16W x 20H centimetres |
| Recommended Uses For Product | Ventilating |
| Room Type | Attic, Bedroom, Home Office |
| Size | 100 mm (4 inch) diameter |
| Standby Power Shutoff | A |
| Style | Classic |

## Product Details

- **Brand:** Weiworld
- **Colour:** White
- **Electric fan design:** Exhaust Fan
- **Material:** Acrylonitrile Butadiene Styrene, Stainless Steel
- **Mounting type:** Wall Mount
- **Power source:** Air Powered
- **Product dimensions:** 15D x 16W x 20H centimetres
- **Recommended uses for product:** Ventilating
- **Room type:** Attic, Bedroom, Home Office
- **Style:** Classic

## Images

![100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor) - Image 1](https://m.media-amazon.com/images/I/61mfBj82G7L.jpg)
![100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor) - Image 2](https://m.media-amazon.com/images/I/71iM64k7nLL.jpg)
![100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor) - Image 3](https://m.media-amazon.com/images/I/71HmVcsTYGL.jpg)
![100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor) - Image 4](https://m.media-amazon.com/images/I/71wiftboGdL.jpg)
![100 mm Through Wall Passive Air Vent Kit with Filter, Adjustable Fresh Air Intake, Extendable Duct & SS304 External Grille for Home, Bedroom, Attic (No Motor) - Image 5](https://m.media-amazon.com/images/I/718HkZuIHLL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Fits Well - Looks Good - Works As Desired
*by A***R on 22 June 2026*

I've installed this passive air vent in my little bathroom. Luckily there was a similar model already installed before so I didn't have to drill a massive hole. I think these passive air vents are a straightforward and effective solution for improving indoor air quality without the noise or running costs of a mechanical system. The 4-inch diameter seems standard size and fit the existing hole in the wall perfectly. It is ideal for providing a consistent stream of fresh air into the bathroom (or any other room as required), helping to prevent the build-up of condensation. The construction of this unit feels durable, especially the external grill made from stainless steel, which can't break as easily as the plastic versions available. I found the replacement process quite simple due to the extendable ducting, which allows the unit to pass through various wall thicknesses without needing complex modifications or additional piping. The airflow can be adjusted, so you can manually control the volume of intake depending on the season, which is essential for preventing drafts during the colder months. I have also noticed that the included filter does a good job of trapping dust so it doesn't enter the bathroom. The bathroom faces a fairly busy road outside and there would otherwise be a lot of black micro dust inside the room. Since there is no motor, the vent operates in complete silence, doesn't generate further costs for electricity and should last much longer than an electric fan.

### ⭐⭐⭐⭐⭐ Simple, practical ventilation that actually works
*by L***C on 10 June 2026*

Installation was straightforward thanks to the adjustable telescopic duct, and the stainless steel grille looks neat on the wall without being obtrusive. The three-level airflow control is easy to adjust based on what you need, and the mesh filter is simple to clean when required. It's quietly doing its job of improving air quality without any electricity costs, which makes it decent value for money. The build quality feels solid and the rain protection design seems sensible for outdoor weather exposure.

### ⭐⭐⭐⭐⭐ Small but Mighty! Does what it says!
*by R***S on 22 April 2026*

I installed this air vent in my bedroom, and I’m very impressed with how much of a difference it has made in air quality and general comfort. It’s very simple, but it works far better than I expected for improving ventilation. It’s great that it requires no power at all. It’s completely passive, which means there’s no noise, no running costs, and no maintenance beyond occasional cleaning. Despite that, it does a great job of reducing stuffiness and improving airflow in the room, especially overnight when the space tends to feel more enclosed. The adjustable airflow feature is particularly useful. Being able to choose between different ventilation levels means I can control how much fresh air comes in depending on the weather. On cooler nights, I keep it low, and during warmer days, I increase airflow to keep the room fresher. The built-in filter helps to reduce dust and keeps the incoming air noticeably cleaner. Installation was straightforward. It adjusted easily to my wall thickness, and everything fit securely without much effort. The stainless steel external grille feels solid and well made, and the angled design helps prevent water from entering during rainy weather. The build quality is excellent. It feels durable and designed for long-term use. It’s excellent for anyone looking to improve natural ventilation in their home without electricity or complex systems. It’s efficient, well designed, and does exactly what it’s supposed to.

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-07-11*