---
product_id: 510484057
title: "Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct"
price: "$84.32"
currency: USD
in_stock: true
reviews_count: 9
url: https://www.desertcart.us/products/510484057-repa-market-4-inch-flexible-aluminum-duct-9-94-to
store_origin: US
region: United States of America
---

# Adjustable length 9.84-19.68 in Supports airflow up to 98.42 ft/s Galvanized steel reinforced ends Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct

**Price:** $84.32
**Availability:** ✅ In Stock

## Summary

> 🌟 Upgrade your airflow game with flexible strength and precision fit!

## Quick Answers

- **What is this?** Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct
- **How much does it cost?** $84.32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/510484057-repa-market-4-inch-flexible-aluminum-duct-9-94-to)

## 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

- • **Bend It Your Way:** Flexible aluminum core holds shape after bending, perfect for tight, angled duct runs.
- • **Heat-Resistant Powerhouse:** Operates safely up to 250°C (482°F) and withstands pressures up to 2000 Pa for demanding HVAC needs.
- • **Precision Fit, Zero Guesswork:** Engineered male-fit ends ensure secure, tool-free installation with standard HVAC components.
- • **Built to Last, Built to Perform:** Durable corrugated aluminum with galvanized steel sleeves resists corrosion and maintains stability.
- • **Effortless Installation, Instant Upgrade:** Insert-and-secure design saves time and hassle—no specialized tools required, just clamp and go.

## Overview

The Repa Market 4 Inch Flexible Aluminum Duct offers a versatile length range from 9.84 to 19.68 inches, reinforced with galvanized steel end sleeves for enhanced durability. Designed for HVAC and dryer vent applications, it supports high airflow speeds up to 98.42 ft/s and withstands temperatures up to 250°C, making it a reliable, easy-to-install solution for professional-grade ventilation systems.

## Description

Product description

Review: 6” CFM vs 8”?? USE THIS. - Pay NO attention to negative reviews, need a twisting 8” 90 degree offset to go from a hood below to exterior exhaust wall inside a a standard wall cabinet USE THIS! Quality ends and expanding flexible center made a tough job EASY worth every penny.
Review: Flex duct for water heater - This flex duct works great for tight spots I install this with my 75 gallon water heater for the exhaust and made my life easy to put it in. Very flexible and it seams very durable doesn’t look like it would corrode

## Features

- PRECISE DIMENSIONS: Compressed duct length 9.84 Inch, extended length 19.68 Inch. Inner diameter 7.87 Inch, outer diameter 8.33 Inch. Both ends feature a male-fit connection engineered for a secure attachment to standard ventilation components.
- DURABLE ALUMINUM WITH GALVANIZED STEEL SLEEVES: Constructed from corrugated aluminum that maintains shape after bending, reinforced with galvanized steel end sleeves for added stability, long-term reliability, and improved assembly alignment.
- FLEXIBLE FORMING FOR HVAC CONNECTIONS: Aluminum wall structure allows the duct to be shaped to fit angled pathways, supporting efficient airflow redirection between system elements. Holds form after bending to ensure consistent ventilation performance.
- SIMPLE INSERT-AND-SECURE INSTALLATION: Male-ended design allows the duct to be inserted directly into compatible fittings. Can be secured using clamps, tape, or other standard fastening methods, no specialized tools required.
- HIGH-TEMPERATURE, HIGH-PRESSURE PERFORMANCE: Rated up to +250°C / 482°F, with maximum pressure 2000 Pa and airflow velocity up to 98.42 ft/s. Suitable for HVAC routing, laundry exhaust pathways, utility spaces, grow-room air movement, and general home ventilation improvements.Work temperature range - Up to +250°C / 482 °F. Maximum allowable pressure: 2000 Pa. Maximum Air Flow Speed - 98.42 feet per second.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand Name | Repa Market |
| Item Weight | 9.9 ounces |
| Product Dimensions | 9.84 x 4.33 x 4.33 inches |
| Color | Silver |
| Material Type | Aluminum |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct - Image 1](https://m.media-amazon.com/images/I/71zw5FG1NbL.jpg)
![Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct - Image 2](https://m.media-amazon.com/images/I/71DVxO53GdL.jpg)
![Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct - Image 3](https://m.media-amazon.com/images/I/71ZxU3QoOPL.jpg)
![Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct - Image 4](https://m.media-amazon.com/images/I/71EbFRaqjXL.jpg)
![Repa Market 4 Inch Flexible Aluminum Duct - 9.94 to 19.68 Inch Long – 4 Inch Duct with Galvanized Steel End Sleeves - HVAC Semi Rigid Dryer Vent Hose - Dryer Vent Tube - Dryer Vent Aluminum Duct - Image 5](https://m.media-amazon.com/images/I/81he6yQ1czL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ 6” CFM vs 8”?? USE THIS.
*by A***T on June 9, 2025*

Pay NO attention to negative reviews, need a twisting 8” 90 degree offset to go from a hood below to exterior exhaust wall inside a a standard wall cabinet USE THIS! Quality ends and expanding flexible center made a tough job EASY worth every penny.

### ⭐⭐⭐⭐⭐ Flex duct for water heater
*by R***D on April 20, 2026*

This flex duct works great for tight spots I install this with my 75 gallon water heater for the exhaust and made my life easy to put it in. Very flexible and it seams very durable doesn’t look like it would corrode

### ⭐⭐⭐⭐⭐ Awesome find
*by M***B on June 5, 2025*

good quality and perfect length for what i needed. The quick tighten clamps make it perfect

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-15*