---
product_id: 659464665
title: "TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications"
brand: "top-vigor"
price: "$1147"
currency: MXN
in_stock: true
reviews_count: 1
url: https://www.desertcart.mx/products/659464665-top-vigor-3-inch-hvac-duct-manual-volume-damper-galvanized
store_origin: MX
region: Mexico
---

# 3-inch precision fit Smooth rotary airflow control Galvanized iron durability TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications

**Brand:** top-vigor
**Price:** $1147
**Availability:** ✅ In Stock

## Summary

> 🔧 Control your airflow like a pro—because your space deserves precision.

## Quick Answers

- **What is this?** TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications by top-vigor
- **How much does it cost?** $1147 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/659464665-top-vigor-3-inch-hvac-duct-manual-volume-damper-galvanized)

## Best For

- top-vigor enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Galvanized iron construction resists corrosion and high temperatures, ensuring longevity.
- • **DIY-Friendly Installation:** No special tools needed—slide in, clamp, and tape for instant setup.
- • **Precision 3-Inch Interface:** Seamlessly fits standard HVAC ducts for hassle-free integration.
- • **Versatile HVAC Compatibility:** Perfect for range hoods, fans, extractors, and all your ventilation needs.
- • **Effortless Airflow Adjustment:** Side-mounted rotary handle offers smooth, multi-angle volume control.

## Overview

The TOP-VIGOR 3 Inch HVAC Duct Backdraft Damper is a durable, galvanized iron volume damper designed for easy manual airflow adjustment in various HVAC systems. Its smooth rotary handle allows precise control, preventing reverse airflow and enhancing ventilation efficiency. Ideal for DIY installation, it fits standard 3-inch ducts and is compatible with range hoods, fans, and heating systems.

## Description

TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications

## Features

- Specification: Interface OD: 77 mm / 3.03 inch; Overall Size: 200 x 1 mm / 7.87 x 0.04 inch (L*T); Color: Silver
- Durable Construction: Crafted from high-quality galvanized iron, this HVAC backdraft damper offers exceptional durability, high temperature resistance and corrosion protection, ensuring long-term use without deformation or fading.
- Smooth Airflow Control: With the side-mounted rotary handle, You can adjust the air volume from multiple angles easily and smoothly, ventilate your HVAC system rapidly. It can also prevents reverse airflow due to wind pressure or HVAC system.
- Simple Installation: Slide the damper into the ductwork and fix it with pipe clamp and tape. No professional tools or expertise required—perfect for DIY enthusiasts and professionals alike.
- Wide Application: HVAC volume damper can be inserted into the flexible or non-flexible havc ducting, which is ideal for air volume regulation in various HVAC systems. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | TOP-VIGOR |
| Item Weight | 1.24 pounds |
| Package Dimensions | 10.43 x 6.42 x 3.54 inches |
| Country of Origin | China |
| Size | 3 Inch |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications - Image 1](https://m.media-amazon.com/images/I/61YdCsyQsFL.jpg)
![TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications - Image 2](https://m.media-amazon.com/images/I/61IZ+k2aKlL.jpg)
![TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications - Image 3](https://m.media-amazon.com/images/I/614TNBgorRL.jpg)
![TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications - Image 4](https://m.media-amazon.com/images/I/71lJQrWLxjL.jpg)
![TOP-VIGOR 3 Inch HVAC Duct Manual Volume Damper, Galvanized Iron Airflow Control Backdraft Damper for ACS, Vents, Fans, Extractors, Range Hoods, Heating Systems, and Other HVAC Applications - Image 5](https://m.media-amazon.com/images/I/81grkW59RSL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excelente
*by T***S on March 23, 2025*

Excelente calidad, muy buen precio. Llegó antes de tiempo

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.mx/products/659464665-top-vigor-3-inch-hvac-duct-manual-volume-damper-galvanized](https://www.desertcart.mx/products/659464665-top-vigor-3-inch-hvac-duct-manual-volume-damper-galvanized)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-03*