---
product_id: 48768749
title: "434399 Low Voltage Axial Extractor Fan & Transformer Kit (Timer Model) 100mm 4 Inch SELV 12V. Suitable for use within Zone 1"
brand: "air vent"
price: "S$151"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/48768749-434399-low-voltage-axial-extractor-fan-and-transformer-kit-timer
store_origin: SG
region: Singapore
---

# 12V low voltage SELV 21 L/s airflow Built-in run-on timer 434399 Low Voltage Axial Extractor Fan & Transformer Kit (Timer Model) 100mm 4 Inch SELV 12V. Suitable for use within Zone 1

**Brand:** air vent
**Price:** S$151
**Availability:** ✅ In Stock

## Summary

> 💨 Stay fresh, stay safe — ventilation that works as hard as you do!

## Quick Answers

- **What is this?** 434399 Low Voltage Axial Extractor Fan & Transformer Kit (Timer Model) 100mm 4 Inch SELV 12V. Suitable for use within Zone 1 by air vent
- **How much does it cost?** S$151 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/48768749-434399-low-voltage-axial-extractor-fan-and-transformer-kit-timer)

## Best For

- air vent enthusiasts

## Why This Product

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

## Key Features

- • **Compact Modern Design:** Sleek 100mm fan with a minimal 160mm profile fits discreetly in any ceiling space.
- • **Plug & Play Installation:** Ceiling mount ready with standard 100mm duct compatibility and lightweight build for easy setup.
- • **Powerful Yet Safe Airflow:** Delivers 75 m³/h extraction at a low 12V SELV voltage, perfect for moisture-prone zones like showers.
- • **Seamless Zone 1 Compliance:** Certified for Zone 1 use, ensuring safety in wet environments when transformer is properly positioned.
- • **Effortless Freshness, Always On:** Run-on timer syncs with your light switch for continuous ventilation without a second thought.

## Overview

The Air Vent 434399 is a 12V low voltage axial extractor fan with a built-in run-on timer, delivering 21 litres per second (75 m³/h) airflow. Designed for Zone 1 environments like shower enclosures, it ensures safe, continuous ventilation when paired with its separate transformer. Compact and ceiling-mountable, it supports standard 100mm ducting and complies with BS EN 60155 standards for reliable, efficient moisture control.

## Description

Air Vent 434399 Low Voltage Axial Extractor Fan & Transformer Kit (Timer Model) 100mm 4 Inch SELV 12V. Suitable for use within Zone 1

## Features

- 21 litres per second, 75 cubic metres per hour extraction rate
- For use with fluorescent lamp wattages 4-8, 13, 15, 18-20, 25-65 & 80 Watt
- Manufactured to BS EN 60155

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Airvent |
| Part Number | 434399 |
| Product Dimensions | 6 x 6 x 6 cm; 1.16 kg |
| Item model number | 434399 |
| Size | 6.3 x 6.3 x 0.4 inches |
| Colour | White |
| Style | Modern |
| Finish | Painted |
| Power Source | Corded Electric |
| Voltage | 12 Volts |
| Wattage | 80 watts |
| Installation method | ceiling mount |
| Item Package Quantity | 1 |
| Air Flow Capacity | 75 Cubic Metres Per Hour |
| Blade length | 100 Millimetres |
| Certification | selv |
| Special Features | Lightweight |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 1.16 kg |

## Product Details

- **Brand:** Air Vent
- **Colour:** White
- **Electric fan design:** Exhaust Fan
- **Power source:** Corded Electric
- **Style:** Modern
- **Product dimensions:** 6D x 6W x 6H centimetres
- **Room type:** Bathroom, Kitchen
- **Special feature:** Lightweight
- **Recommended uses for product:** Ceiling
- **Mounting type:** Window Mount

## Images

![434399 Low Voltage Axial Extractor Fan & Transformer Kit (Timer Model) 100mm 4 Inch SELV 12V. Suitable for use within Zone 1 - Image 1](https://m.media-amazon.com/images/I/51UnR08GFxL.jpg)

## Frequently Bought Together

- Airvent 434399 Low Voltage Axial Extractor Fan & Transformer Kit (Timer Model) 100mm 4 Inch SELV 12V. Suitable for use within Zone 1
- BG 804 TRIPLE POLE FAN ISOLATOR PULLCORD SWITCH

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**Shop now:** [https://www.desertcart.sg/products/48768749-434399-low-voltage-axial-extractor-fan-and-transformer-kit-timer](https://www.desertcart.sg/products/48768749-434399-low-voltage-axial-extractor-fan-and-transformer-kit-timer)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-05-16*