---
product_id: 70415557
title: "HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h]"
price: "฿1251"
currency: THB
in_stock: true
reviews_count: 8
url: https://www.desertcart.co.th/products/70415557-hvac-premium-4-x-8-duct-opening-flat-stamped-steel
store_origin: TH
region: Thailand
---

# 50° angled for max airflow Precision 4''x8'' duct fit Durable stamped steel build HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h]

**Price:** ฿1251
**Availability:** ✅ In Stock

## Summary

> 💨 Upgrade your airflow game with precision and style!

## Quick Answers

- **What is this?** HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h]
- **How much does it cost?** ฿1251 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/70415557-hvac-premium-4-x-8-duct-opening-flat-stamped-steel)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Solid stamped steel construction with countersunk screws ensures durability and safety
- • **Perfect Fit, No Guesswork:** Exact 4''x8'' duct opening with 5.75''x9.75'' outer frame for seamless installation
- • **Sleek & Scratch-Resistant:** Powder-coated white finish delivers a polished, modern look that resists wear
- • **Engineered Airflow Efficiency:** 50° angled louvers optimize ventilation, boosting HVAC performance and comfort
- • **Ready to Install, Damage-Free:** Carefully shrink-wrapped with protective backing for pristine delivery

## Overview

The HVAC Premium 4'' x 8'' Flat Stamped Steel Return Air Grille features a precise duct opening size with a slightly larger outer frame for easy installation. Its 50° angled design maximizes airflow efficiency, while the durable stamped steel construction with countersunk screws ensures long-lasting performance. Finished with a smooth, scratch-resistant powder coat, this grille combines functionality with a sleek aesthetic, arriving carefully packaged to prevent damage.

## Description

HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h] - desertcart.com

Review: Very nice quality. - Very nice quality. Air flows beautifully. The fit is perfect. Better quality than box stores. Will buy again. Price was very resonable.
Review: High quality and priced right - Works well and is easy to install. My last duct cover was so dirty it would not come clean. This product was cheap enough and still very high quality which made it a simple choice to just replace the old one.

## Features

- Size - 4"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5.75" width X 9.75" height. SEE IN DESCRIPTION HOW TO MEASURE A GRILLE PROPERLY
- Design – Easy unrestricted airflow for your HVAC system - 50° angled to provide maximum airflow
- High Quality – Solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges
- Powder-Coat Finish – Smooth, shiny, scratch-resistant, beautiful. Looks like it was just waxed
- Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | HVAC Premium |
| Brand | HVAC Premium |
| Item Weight | 7.2 ounces |
| Product Dimensions | 4 x 0.37 x 8 inches |
| Manufacturer Part Number | RG48 HP |

## Images

![HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h] - Image 1](https://m.media-amazon.com/images/I/61UCMnYpysL.jpg)
![HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h] - Image 2](https://m.media-amazon.com/images/I/71+5OP8m+NL.jpg)
![HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h] - Image 3](https://m.media-amazon.com/images/I/710od2rz0tL.jpg)
![HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h] - Image 4](https://m.media-amazon.com/images/I/71Alwf+EatL.jpg)
![HVAC Premium 4'' x 8'' [Duct Opening] Flat Stamped Steel Return Air Grille - Sidewall and Ceiling - HVAC Vent Duct Cover - White [Outer Dimensions: 5.75''w X 9.75''h] - Image 5](https://m.media-amazon.com/images/I/71D0FHiG1-L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very nice quality.
*by A***R on December 29, 2025*

Very nice quality. Air flows beautifully. The fit is perfect. Better quality than box stores. Will buy again. Price was very resonable.

### ⭐⭐⭐⭐⭐ High quality and priced right
*by J***R on November 29, 2025*

Works well and is easy to install. My last duct cover was so dirty it would not come clean. This product was cheap enough and still very high quality which made it a simple choice to just replace the old one.

### ⭐⭐⭐⭐⭐ 6x8 air vent
*by J***L on September 25, 2024*

"Perfect Fit and Sleek Design – 6x8 White Return Air Vent!" I recently installed the 6x8 white return air vent, and I couldn’t be happier with the results. It fit perfectly into the existing opening, and the installation was a breeze. The clean, sleek white design blends seamlessly with my wall, giving the room a much fresher and more modern look. The craftsmanship is solid – the vent feels durable and well-made, yet lightweight enough to handle without any trouble. The airflow is excellent, and it functions just as it should without any rattling or noise, which was important for me. It has a smooth finish that makes it easy to clean, and it looks fantastic even after weeks of use. What I love most is that it’s both functional and stylish. It doesn’t just do the job – it enhances the overall appearance of the space. If you need a high-quality return air vent with a polished look, this is definitely the one to go for. Highly recommend!"

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**Shop now:** [https://www.desertcart.co.th/products/70415557-hvac-premium-4-x-8-duct-opening-flat-stamped-steel](https://www.desertcart.co.th/products/70415557-hvac-premium-4-x-8-duct-opening-flat-stamped-steel)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-01*