---
product_id: 354038549
title: "Door Vents for Interior Doors Two Sided, 20” x 12” Door Louver Vent Aluminum Louvered Door Vent Silver Door Air Vent Grille for Bathroom Garage Cabinet"
brand: "tonchean"
price: "NT$5777"
currency: TWD
in_stock: true
category: "Tonchean"
url: https://www.desertcart.tw/products/354038549-door-vents-for-interior-doors-two-sided-20-x-12
store_origin: TW
region: Taiwan
---

# 45° oblique louvers for optimal airflow 20” x 12” large vent size Aluminum alloy, rust-proof durability Door Vents for Interior Doors Two Sided, 20” x 12” Door Louver Vent Aluminum Louvered Door Vent Silver Door Air Vent Grille for Bathroom Garage Cabinet

**Brand:** tonchean
**Price:** NT$5777
**Availability:** ✅ In Stock

## Summary

> 🚪 Elevate your space with airflow that works as hard as you do!

## Quick Answers

- **What is this?** Door Vents for Interior Doors Two Sided, 20” x 12” Door Louver Vent Aluminum Louvered Door Vent Silver Door Air Vent Grille for Bathroom Garage Cabinet by tonchean
- **How much does it cost?** NT$5777 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/354038549-door-vents-for-interior-doors-two-sided-20-x-12)

## Best For

- tonchean enthusiasts

## Why This Product

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

## Key Features

- • **Weather-Resistant Louvers:** 45° angled vents prevent water ingress while ensuring continuous ventilation
- • **Smart Design for Every Space:** Perfect for bathrooms, garages, cabinets, and more—blend function with modern decor
- • **Built to Last, Styled to Impress:** Matte-finish aluminum resists oxidation and rust while adding sleek silver elegance
- • **Maximize Airflow, Minimize Hassle:** Two-sided louver design balances room pressure even with closed doors
- • **Effortless Installation & Maintenance:** Removable frame and no-drill options let you customize your setup with ease

## Overview

This 20” x 12” two-sided aluminum door vent features a rust-proof matte finish and a smart 45° louver design that optimizes airflow while preventing water entry. Its removable frame allows easy installation and maintenance, making it ideal for bathrooms, garages, and cabinets seeking both functional ventilation and sleek, modern aesthetics.

## Description

Door Vents for Interior Doors Two Sided, 20” x 12” Door Louver Vent Aluminum Louvered Door Vent Silver Door Air Vent Grille for Bathroom Garage Cabinet - desertcart.com

## Features

- Large Size Vent Cover: The duct opening size of this door air vent is 19.69"W X 11.81"H. Front end outer dimensions are 21.65"W X 13.78"H which is removable for ease of installation
- Two Sided Louver Vent: Composed of a louver vent and a decorative frame, which can be installed and disassembled simply and conveniently
- Aluminum Alloy Air Vent: The door vent cover is made of aluminum alloy with matte finish, which is anti-oxidation, no discoloration and never rust, durable and easy to clean. The elegant, beautiful, and smooth surface also makes it suitable as door decoration
- 45° Oblique Louver Design: The louvers of this ventilation grille are especially designed to allow passage of air into your home while stop water from entering, also for good look and better air flow. Even with closed doors, this convenient in-door vent balances air pressure and prevents uneven room temperatures
- Wide Applications: This louver vent cover can be installed in the outer wall, side wall, door or bathroom. It can be a decoration of supply and exhaust vents of public, residential and industrial ventilation systems. The vent has no holes and no accessories are included, installation accessories (screws or glass glue) can be chosen according to your own requirements

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B096RWHQC8 |
| Best Sellers Rank | #195,220 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,148 in Registers, Grilles & Vents |
| Color | Silver |
| Customer Reviews | 4.4 4.4 out of 5 stars (65) |
| Date First Available | June 7, 2021 |
| Item Package Quantity | 1 |
| Item Weight | 2.33 pounds |
| Manufacturer | tonchean |
| Material | Aluminum |
| Product Dimensions | 21.65 x 13.78 x 1.77 inches |
| Size | 12”x 12” |

## Images

![Door Vents for Interior Doors Two Sided, 20” x 12” Door Louver Vent Aluminum Louvered Door Vent Silver Door Air Vent Grille for Bathroom Garage Cabinet - Image 1](https://m.media-amazon.com/images/I/51YRt81NJwL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Frequently Bought Together

- tonchean Door Vents for Interior Doors Two Sided, 20” x 12” Door Louver Vent Aluminum Louvered Door Vent White Door Air Vent Grille for Bathroom Garage Cabinet
- INTERNAL VENTS Door Vent for Interior Doors 16 7/8" x 3" - Two Sided Door Louvers | for Bathroom, Cabinet | Plastic air Vent Grille | Outer Dimensions 17 3/4" x 3 5/8" for 16 7/8" x 3" Opening (White)
- Door Louver Vent Two Sided, Door Vents for Interior Doors, Aluminum Door Air Vent Grille, Metal Louvered Door Vent, Through Door Vent for Bathroom Cabinet (20” x 12”)

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**Shop now:** [https://www.desertcart.tw/products/354038549-door-vents-for-interior-doors-two-sided-20-x-12](https://www.desertcart.tw/products/354038549-door-vents-for-interior-doors-two-sided-20-x-12)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-10-12*