---
product_id: 555273100
title: "[20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6\"Face]"
brand: "laminaire"
price: "S/.475"
currency: PEN
in_stock: true
url: https://www.desertcart.pe/products/555273100-20-x-4-duct-hole-vent-cover-aluminum-single-deflection
store_origin: PE
region: Peru
---

# Precise 21.6" x 5.6" fit 180° adjustable airflow control Durable rust-free AA6063 aluminum [20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face]

**Brand:** laminaire
**Price:** S/.475
**Availability:** ✅ In Stock

## Summary

> 🌬️ Elevate your airflow game with style and precision!

## Quick Answers

- **What is this?** [20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face] by laminaire
- **How much does it cost?** S/.475 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/555273100-20-x-4-duct-hole-vent-cover-aluminum-single-deflection)

## Best For

- laminaire enthusiasts

## Why This Product

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

## Key Features

- • **Total Airflow Mastery:** Single deflection vertical blades plus multi-shutter parallel damper let you customize air direction with precision.
- • **Perfect Fit Every Time:** Designed with exact external dimensions and a front overlap frame to ensure seamless installation on walls or ceilings.
- • **Hassle-Free Installation:** Includes white galvanized steel screws tailored for wood and drywall, securing your vent cover firmly in place.
- • **Sleek & Scratch-Resistant:** Electrostatic white powder-coat finish delivers a polished, modern look that resists wear and tear.
- • **Built to Last & Lightweight:** Crafted from premium extruded aluminum AA6063 for rust resistance and effortless handling during installation.

## Overview

This 20 x 4 aluminum vent cover by Laminaire features a sturdy AA6063 extruded aluminum build with a sleek white powder-coat finish. Its adjustable vertical blades and multi-shutter damper provide versatile 180° airflow control, perfect for professional spaces and modern homes alike. Designed for easy installation with included screws, it fits openings of 20"W x 4"H with an overall size of 21.6" x 5.6".

## Description

Aluminum supply grille with multi-shutter damper (L-VM) is an air supply grille by vertical walls, air supply direction can by ajustable setting direction of its blades, allowing to change the dispersion air flow, multi shutter damper allows to have control of air flow. USE It has domestic and commercial HVAC systems, it can be installed in bedrooms, meeting rooms, commercial premises, offices, corridors, and other spaces for which it is suitable.

## Features

- [Sizing Guide]: Ensure accurate fit by measuring your wall or ceiling opening before ordering. For this grille, the opening should be at least 20"W x 4"H. Avoid using old grille measurements. Always start with the Width (W) followed by the Height (H). This grille comes with a front end frame designed to overlap at wall or ceiling junctions, with an overall external dimension of 21.6"W x 5.6"H.
- [High-Quality Construction]: Made of extruded aluminum AA6063, this vent provides rust-free high-grade aluminum, ensuring the diffuser is sturdy, light, and easy to install. Perfect as a wall air vent cover.
- [Versatile Airflow Control]: With single deflection adjustable vertical blades, you can graduate the air dispersion to both the right and left. The Multi-Shutter Parallel Blade Damper offers full control over vertical and horizontal airflow directions, making it a versatile air vent cover for walls.
- [Stylish Finish]: Coated in a high-resistance electrostatic white paint finish, this vent cover ensures a powder-coat finish that's smooth, shiny, and scratch-resistant, ideal for those seeking wall heat vent covers with a polished look.
- [Easy Installation]: All our grilles come with galvanized steel cross-head screws (5/32" diameter x 1 1/2" length) with a white color head, specially designed for wood and drywall. The screws ensure this wall vent cover fits securely. [Efficient Air Dispersion]: The design allows for a 180° direction of the airflow, typically installed at the top of the wall to ensure high airflow. This wall return vent can also be fitted to the ceiling, though it's less common.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Laminaire |
| Item Weight | 522 g |
| Package Dimensions | 54.99 x 13.97 x 3.81 cm; 522 g |
| Item model number | L-VM 20" x 4" |
| Size | 20” X 4” |
| Color | White |
| Material | Aluminum |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![[20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face] - Image 1](https://m.media-amazon.com/images/I/7181+JQSwXL.jpg)
![[20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face] - Image 2](https://m.media-amazon.com/images/I/71mMoBMBh2L.jpg)
![[20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face] - Image 3](https://m.media-amazon.com/images/I/71lEISabzbL.jpg)
![[20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face] - Image 4](https://m.media-amazon.com/images/I/71aq4+oG90L.jpg)
![[20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face] - Image 5](https://m.media-amazon.com/images/I/71Up8N+SpfL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Frequently Bought Together

- [20 x 4 Duct Hole] Vent Cover. Aluminum Single Deflection Adjustable Air Supply Sidewall or Ceiling Grille Register with Multi-Shutter Parallel Blade Damper. Blades are Movable [21.6 x 5.6"Face]
- Kair MultiFan In Line Fan 150mm with Timer

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-02-01*