---
product_id: 275551977
title: "VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems"
brand: "vivosun"
price: "2694729₫"
currency: VND
in_stock: true
reviews_count: 5
category: "Vivosun"
url: https://www.desertcart.vn/products/275551977-vivosun-flex-air-aluminum-duct-for-ventilation-4-inch-25
store_origin: VN
region: Vietnam
---

# Flexible steel wire core Fire-retardant multi-layer aluminum 25 ft heavy-duty length VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems

**Brand:** vivosun
**Price:** 2694729₫
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your airflow game with VIVOSUN’s flex duct—where durability meets sleek flexibility!

## Quick Answers

- **What is this?** VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems by vivosun
- **How much does it cost?** 2694729₫ 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/275551977-vivosun-flex-air-aluminum-duct-for-ventilation-4-inch-25)

## Best For

- vivosun enthusiasts

## Why This Product

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

## Key Features

- • **Secure Connections:** Includes 2 rustproof stainless steel clamps for airtight, leak-free installation every time.
- • **Sleek & Professional:** Matte black outer layer offers a clean, modern look that blends seamlessly into any workspace or home environment.
- • **Unmatched Durability:** Multi-layer aluminum foil with PET thermoplastic resists tears, leaks, and fire for long-lasting performance.
- • **Versatile Ventilation:** Perfect for HVAC, dryer vents, kitchen exhausts, and even high-tech AV cooling—adaptable to all your airflow needs.
- • **Effortless Flexibility:** Built-in steel wire lets you bend and shape the duct to fit any ventilation setup without kinks or collapse.

## Overview

The VIVOSUN Flex Air Aluminum Duct is a 25-foot, 4-inch diameter ventilation hose designed for professional-grade airflow solutions. Constructed with multi-layer fire-retardant aluminum and PET thermoplastic, it offers superior durability and leak resistance. Its flexible steel wire core ensures easy installation without kinks, while included rustproof clamps guarantee secure, airtight connections. Ideal for HVAC, dryer vents, kitchen exhausts, and AV equipment cooling, this duct combines heavy-duty performance with a sleek, modern finish.

## Description

Free delivery and returns on all eligible orders. Shop VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems.

Review: Great duct - This 4-inch aluminum foil ducting is extremely well made and far sturdier than I expected. The aluminum layering feels thick and reinforced, not cheap or flimsy, and it holds its shape perfectly once installed. I really like the black outer layer—it looks clean, professional, and helps with light control compared to standard silver ducting. The hose is flexible enough to route easily, yet strong enough that it doesn’t collapse or kink. The 8-foot length was perfect for my setup, and the included clamps fit snug and secure with no air leaks. Overall, this is a high-quality, heavy-duty vent hose that feels reliable and built to last. Great for HVAC, dryer vents, or exhaust fan systems. I would absolutely buy this again and recommend it to anyone looking for durable, trustworthy ducting.
Review: Excelente - Excelente

## Features

- Perfect Connector: This ducting is primarily used with duct fan systems in various air circulation and ventilation projects to move and transport air, increasing airflow and easing connections between spaces; It's compatible with front-mounted and top-loading dryers/fans
- Premium Material: Made of aluminum, it is resistant to high-temperature and corrosion-resistant, being able to serve for a long time; The stainless steel clamps are rustproof, corrosion-resistant, and heavy-duty, ensuring a seamless junction
- Multi-Layer Protection: It features multi-layer protection, making it more durable and resistant to leaks than single-layer ones; The internal and outer layers are made of heavy-duty aluminum foil that is fire/flame-retardant; Its middle layer adopts PET thermoplastic that protects the ducting from cuts and tears, all while stopping leakage
- Flexible and Convenient: Thanks to the built-in steel wire, the length and shape of this ducting is flexible to change for fitting exhaust fan blower or inline fan; Being portable and lightweight, it can be installed at any place; Comes with 2 duct clamps in the same duct opening size for easy setup and securer connection
- Abundant Applications: Suitable for both commercial and residential air duct solutions; Widely used in HVAC applications, bathroom venting, stove exhaust, dryer ventilation, kitchen cooking exhaust, planting room, or warmhouse air circulation, etc.; Also used to cool AV equipment rooms, closets, racks, and cabinets

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01EUURUVM |
| Best Sellers Rank | 350,256 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,008 in Ducting |
| Brand | VIVOSUN |
| Colour | Silver |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 7,957 Reviews |
| Item Dimensions L x W | 7.62L x 0.1W metres |
| Item Length | 10.2 Centimetres |
| Item Weight | 0.86 Kilograms |
| Item height | 0.1 centimetres |
| Item weight | 0.86 Kilograms |
| Manufacturer | VIVOSUN |
| Material | Aluminium |
| Maximum Pressure | 5 Bars |
| Maximum pressure | 5 Bars |
| Nominal Wall Thickness | 0.015 inches |
| Outside Diameter | 10.2 Centimetres |
| Product dimensions | 7.62L x 0.1W metres |
| UPC | 714119464294 |
| Unit Count | 25.0 meter |

## Product Details

- **Brand:** VIVOSUN
- **Material:** Aluminium
- **Colour:** Silver
- **Product dimensions:** 7.62L x 0.1W metres
- **Item weight:** 0.86 Kilograms
- **Maximum pressure:** 5 Bars
- **Nominal wall thickness:** 0.015 inches
- **Outside diameter:** 10.2 Centimetres
- **Item length:** 10.2 Centimetres
- **UPC:** 714119464294

## Images

![VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems - Image 1](https://m.media-amazon.com/images/I/81Hp2yD+WcL.jpg)
![VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems - Image 2](https://m.media-amazon.com/images/I/81K0gbWhcPL.jpg)
![VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems - Image 3](https://m.media-amazon.com/images/I/81rxm1BRLxL.jpg)
![VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems - Image 4](https://m.media-amazon.com/images/I/81tukyxgzVL.jpg)
![VIVOSUN Flex Air Aluminum Duct for Ventilation 4 Inch 25 Feet, 2 Clamps Included, Long Heavy-Duty Multi-Layer Dryer Hose Vent Kit, Duct Fan Systems - Image 5](https://m.media-amazon.com/images/I/81vvQYMRwiL.jpg)

## Questions & Answers

**Q: Will this be ok for a portable a.c.?**
A: No!  You would need insulated duct. Besides that, this duct came with hundreds of small holes. They had to return my money.

**Q: Can I use this in my kitchen exhaust Hood vent?**
A: If its 6” in diameter, or if u can fit in an adaptation connector

**Q: Can I use this on a clothes dryer**
A: I would think so, just remember to clean it out 2x a year, it will have build-up of lint.

**Q: Can I cut this ducting to shorter lengths or will that somehow destroy it?**
A: It can be cut to any length

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great duct
*by S***H on 27 December 2025*

This 4-inch aluminum foil ducting is extremely well made and far sturdier than I expected. The aluminum layering feels thick and reinforced, not cheap or flimsy, and it holds its shape perfectly once installed. I really like the black outer layer—it looks clean, professional, and helps with light control compared to standard silver ducting. The hose is flexible enough to route easily, yet strong enough that it doesn’t collapse or kink. The 8-foot length was perfect for my setup, and the included clamps fit snug and secure with no air leaks. Overall, this is a high-quality, heavy-duty vent hose that feels reliable and built to last. Great for HVAC, dryer vents, or exhaust fan systems. I would absolutely buy this again and recommend it to anyone looking for durable, trustworthy ducting.

### ⭐⭐⭐⭐⭐ Excelente
*by E***L on 17 November 2025*

Excelente

### ⭐⭐⭐⭐⭐ Great
*by S***R on 26 November 2025*

Perfect! Works great for venting my 3D print farm

## Frequently Bought Together

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-01-22*