---
product_id: 534852710
title: "Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black."
brand: "hon&guan"
price: "702871₫"
currency: VND
in_stock: true
reviews_count: 5
url: https://www.desertcart.vn/products/534852710-roof-exhaust-vent-hon-and-guan-4-roof-vent-cap
store_origin: VN
region: Vietnam
---

# Backdraft damper prevents wind & rain 4-inch universal fit Heavy gauge galvanized steel Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black.

**Brand:** hon&guan
**Price:** 702871₫
**Availability:** ✅ In Stock

## Summary

> 🌪️ Elevate your airflow game with the vent that works as hard as you do!

## Quick Answers

- **What is this?** Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black. by hon&guan
- **How much does it cost?** 702871₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/534852710-roof-exhaust-vent-hon-and-guan-4-roof-vent-cap)

## Best For

- hon&guan enthusiasts

## Why This Product

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

## Key Features

- • **Smart Backdraft Damper:** Blocks wind, rain, snow, and pests while optimizing airflow.
- • **Effortless Installation:** Pre-drilled flange holes and pipe extension make setup a breeze.
- • **Seamless 4-inch Compatibility:** Fits any standard 4-inch duct for effortless integration.
- • **Durable Galvanized Steel Build:** Engineered with heavy gauge steel for long-lasting corrosion resistance.
- • **Versatile Ventilation Solution:** Perfect for bathroom, kitchen, and roof exhaust systems.

## Overview

The Hon&Guan 4'' Roof Exhaust Vent Cap is a premium galvanized steel vent designed for 4-inch duct systems. Featuring a backdraft damper to prevent weather and pest intrusion, it ensures efficient ventilation for bathrooms, kitchens, and roof exhausts. Built for durability and easy installation, this vent combines robust corrosion resistance with smart airflow control, making it a must-have upgrade for modern homes.

## Description

Free delivery and returns on all eligible orders. Shop Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black..

Review: Hasn’t been installed yet but appears to be made well with quality materials. The damper seems to move well and it is unobstructed in its movement. I’m anticipating many years of use from this product.
Review: My roofer installed this vent Cap when our home was being re-shingled. It is used to vent bathroom fan. The vent works great, no leaks, no issues. Flap closes when not in use to prevent bugs from entering exhaust pipe. Recommend this vent.

## Features

- [EXCELLENT DESIGN]: Hon&Guan 4 roof exhaust vent with backdraft damper can help prevent wind, rain, snow and external damage from entering while effectively ventilating. It can be connected to any 4-inch hose.
- [HIGH-QUALITY ROOF VENT COVER]: Hon&Guan roof vent for bath exhaust is constructed with heavy gauge steel ensure durability and lasting use, has strong corrosion resistance.
- [EASY INSTALLATION]: 4 inch vent includes a pipe extension located underneath the flange for connecting to flex ducting, and there are four holes in the panel, which can help you install on the 4” bathroom exhaust fan roof jack more firmly.
- [WIDELY USE]: Hon&Guan roof dryer vent is designed for maximum airflow and protection, to be used with kitchen and roof exhaust venting systems, can be used in conjunction with 4 inch duct and exhaust fans for house ventilation.
- [BUY WITH CONFIDENCE] We promise to ensure your absolute satisfaction with every purchase. Risk-free shopping. If you are not satisfied about this range hood roof vent, you can replace it for free or give it a full refund.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BNMNH618 |
| Batteries Required? | No |
| Batteries included? | No |
| Customer Reviews | 4.4 4.4 out of 5 stars (256) |
| Date First Available | 22 Jan. 2023 |
| Item Weight | 816 g |
| Item model number | Hon&Guan |
| Manufacturer | Hon&Guan |
| Part Number | PM130 |
| Product Dimensions | 17.78 x 2.49 x 22.86 cm; 816.47 g |
| Size | 4 Inch |

## Images

![Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black. - Image 1](https://m.media-amazon.com/images/I/61bOcaFtduL.jpg)
![Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black. - Image 2](https://m.media-amazon.com/images/I/81OXDOyrFEL.jpg)
![Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black. - Image 3](https://m.media-amazon.com/images/I/613XEVSbcrL.jpg)
![Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black. - Image 4](https://m.media-amazon.com/images/I/71cjlKlZHEL.jpg)
![Roof Exhaust Vent, Hon&Guan 4'' Roof Vent Cap Roof Vents for Houses Galvanized Steel Roof Vent for Ventilation System-with Damper, Black. - Image 5](https://m.media-amazon.com/images/I/610sYnjmIfL.jpg)

## Questions & Answers

**Q: Does it keep rain water out of house, or just keep other thing?**
A: It is designed to prevent the entry of rainwater and wind-blown garbage, snow and any other objects that would intrude into the home.

**Q: What are its outer dimensions? I want to know how big of a hole I need to make it fit on?**
A: The caliber is precisely 4'', but you can dig a hole slightly larger than 4'' and you can install it precisely.

**Q: How it helps me to keep the wind out of my room？**
A: Adding a ventilation fan, using a hose and air outlet connection to pull air out of the room and out through the roof cover, is our recommendation.

**Q: Can I use the flexible hose, I'm afraid it will slip off and I have to buy an extra clamp to fix it?**
A: This is the precise 4" air outlet, purchase the same caliber hose to install firmly. And use clamps to make it more. secure, this is a good way, you can also use tape wrap, I have seen people do this.

**Q: We usually have a few feet of snow in the winter, is this product appropriate and will it clog up from being snowed in?**
A: It does not happen, the heat from the exhaust of the fan inside the house will melt the snow around it, I have really experienced.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***D on 10 January 2026*

Hasn’t been installed yet but appears to be made well with quality materials. The damper seems to move well and it is unobstructed in its movement. I’m anticipating many years of use from this product.

### ⭐⭐⭐⭐⭐ Review
*by K***N on 12 November 2025*

My roofer installed this vent Cap when our home was being re-shingled. It is used to vent bathroom fan. The vent works great, no leaks, no issues. Flap closes when not in use to prevent bugs from entering exhaust pipe. Recommend this vent.

### ⭐⭐⭐⭐⭐ Review
*by S***T on 24 November 2025*

Seems well built, installed easily.

## Frequently Bought Together

- Roof Vent Cap - Hon&Guan Roof Vents 4 Inch Galvanized Steel Bathroom 4 Roof Exhaust Vent for Ventilation System-with Damper, Black
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- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 8-Feet Long for Heating Cooling Ventilation and Exhaust

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-22*