---
product_id: 438368215
title: "GB DIY Store 5 x uPVC Window Trickle Slot Vent White 400mm White - Reduces Condensation, Damp & Steam (5 Pack)"
brand: "gb diy store"
price: "R780"
currency: ZAR
in_stock: true
reviews_count: 8
category: "Gb Diy"
url: https://www.desertcart.co.za/products/438368215-gb-diy-store-5-x-upvc-window-trickle-slot-vent
store_origin: ZA
region: South Africa
---

# 365mm optimized airflow slot 400mm length precision Complete internal & external fixings GB DIY Store 5 x uPVC Window Trickle Slot Vent White 400mm White - Reduces Condensation, Damp & Steam (5 Pack)

**Brand:** gb diy store
**Price:** R780
**Availability:** ✅ In Stock

## Summary

> 💨 Breathe Easy: Upgrade Your Windows, Upgrade Your Space!

## Quick Answers

- **What is this?** GB DIY Store 5 x uPVC Window Trickle Slot Vent White 400mm White - Reduces Condensation, Damp & Steam (5 Pack) by gb diy store
- **How much does it cost?** R780 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/438368215-gb-diy-store-5-x-upvc-window-trickle-slot-vent)

## Best For

- gb diy store enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Subtle Design:** Minimalist white finish blends effortlessly with modern window frames for a clean, professional look.
- • **Complete 5-Pack Solution:** Includes both internal and external parts plus fixings, so you’re ready to upgrade multiple windows at once.
- • **Durable uPVC Construction:** Robust white uPVC material ensures long-lasting performance and low maintenance.
- • **Condensation & Damp Defense:** Effectively reduces moisture buildup, protecting your space from damp and steam damage.
- • **Seamless Ventilation Integration:** Designed to fit perfectly with 380mm fixing hole centres for hassle-free installation.

## Overview

This 5-pack of 400mm white uPVC trickle slot vents includes all internal and external components with fixings, designed to fit 380mm hole centres. Engineered to reduce condensation, damp, and steam, these vents provide efficient airflow while maintaining a sleek, low-profile appearance ideal for modern homes and offices.

## Description

Pack of 5 Premium Quality Trickle Vents 400mm RW Simon Trickle vents are a great solution for condensation and moisture build-up which you may have in the area of your windows by drawing the moisture outside through the vent. They provide constant airflow without compromising on the security of your home making them perfect ventilation on hot days. The vents have a switch on the internal canopy which allows you to open and close the vent with ease. Information Total Length - 400mm Distance between fixing holes - 380mm Slot size - 365mm Easy to fit - A fitting guide can be provided upon request Suitable for uPVC, wood and aluminium windows Considerably reduces condensation Premium quality Robust and sturdy construction Secure ventilation What's In the Bag? Both internal & external canopies All fixing screws required Screw cover caps Technical A full technical diagram is included in the image gallery.

Review: Good quality - Cleared my window condensation and seems to have lowered overall humidity, slight draft if wind blowing in the right direction but that means it's working
Review: Easy to fit - If wind in a certain direction they whistle,

## Features

- Pack of 5
- Includes both internal and external parts and fixings
- 400mm total length
- 380mm fixing hole centres
- 365mm slot size

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | GB DIY Store |
| Package Dimensions | 44.1 x 21.8 x 7.6 cm; 820 g |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 820 g |

## Images

![GB DIY Store 5 x uPVC Window Trickle Slot Vent White 400mm White - Reduces Condensation, Damp & Steam (5 Pack) - Image 1](https://m.media-amazon.com/images/I/514Pt+wZdaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good quality
*by S***N on 14 January 2026*

Cleared my window condensation and seems to have lowered overall humidity, slight draft if wind blowing in the right direction but that means it's working

### ⭐⭐⭐⭐ Easy to fit
*by P***. on 4 December 2025*

If wind in a certain direction they whistle,

### ⭐⭐⭐⭐⭐ Decent
*by R***S on 3 December 2025*

Works like a charm, value for money and looks ok. Shame it doesn’t have a grill on the inside too to hide the holes you made. Fits well and once installed seems strong.

## Frequently Bought Together

- GB DIY Store 5 x uPVC Window Trickle Slot Vent White 400mm White - Reduces Condensation, Damp & Steam (5 Pack)
- GB DIY Store 5 x uPVC Window Trickle Slot Vent White 300mm White - Reduces Condensation, Damp & Steam (5 Pack)
- Premium Trickle Slot Vent for uPVC Double Glazing Window - Reduces Condensation White 400mm

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**Shop now:** [https://www.desertcart.co.za/products/438368215-gb-diy-store-5-x-upvc-window-trickle-slot-vent](https://www.desertcart.co.za/products/438368215-gb-diy-store-5-x-upvc-window-trickle-slot-vent)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-16*