---
product_id: 21547316
title: "\"HVAC Insulated-Flex\" Ducting Ventilation Duct Hose, 4-Inch by 25-Feet"
brand: "rubber-cal"
price: "¥19691"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/21547316-hvac-insulated-flex-ducting-ventilation-duct-hose-4-inch-by
store_origin: JP
region: Japan
---

# 25 feet length for extensive coverage Operates from -20°F to 160°F temperature range "HVAC Insulated-Flex" Ducting Ventilation Duct Hose, 4-Inch by 25-Feet

**Brand:** rubber-cal
**Price:** ¥19691
**Availability:** ✅ In Stock

## Summary

> ❄️🔥 Keep your airflow flawless and your space cool (or warm) with style!

## Quick Answers

- **What is this?** "HVAC Insulated-Flex" Ducting Ventilation Duct Hose, 4-Inch by 25-Feet by rubber-cal
- **How much does it cost?** ¥19691 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/21547316-hvac-insulated-flex-ducting-ventilation-duct-hose-4-inch-by)

## Best For

- rubber-cal enthusiasts

## Why This Product

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

## Key Features

- • **Double-Ply Insulation:** Superior thermal and acoustical barrier keeps air temperature stable and noise low
- • **Durable Aluminum Build:** Shiny metallic finish resists wear and looks professional in any setting
- • **Wide Temperature Range:** Reliable performance from freezing cold to scorching heat (-20°F to 160°F)
- • **Flexible & Compressible:** Easily transport and install with a duct that bends to your needs
- • **Cost-Effective HVAC Solution:** Premium insulation without the premium price—maximize value on every project

## Overview

The Rubber-Cal HVAC Insulated-Flex Ducting Hose is a 4-inch diameter, 25-foot long flexible duct designed for both residential and industrial air movement. Featuring double-ply aluminum and PET film layers insulated with glass wool, it maintains air temperature efficiently across a wide range (-20°F to 160°F) while reducing noise. Lightweight and compressible, it’s perfect for portable or permanent HVAC applications, offering a cost-effective, durable, and visually sleek solution backed by a 3-year warranty.

## Description

Rubber-Cal "HVAC Insulated-Flex" Ducting Ventilation Duct Hose, 4-Inch by 25-Feet

## Features

- Compressible and easy to transport
- An extremely cost effective insulated duct
- Provides acoustical as well as thermal insulation
- Insulation maintains temperature of air inside hose
- Ideal for use for permanent and mobile air condition units

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Rubber-Cal |
| Material | Aluminum |
| Color | 845605000000 |
| Product Dimensions | 300"L x 4"W |
| Item Length | 25 Feet |
| UPC | 845605070061 |
| Manufacturer | Rubber-Cal |
| Global Trade Identification Number | 00845605070061 |
| Part Number | 01-194-4 |
| Item Weight | 5.69 pounds |
| Item model number | 01-194-4 |
| Is Discontinued By Manufacturer | No |
| Size | 4" ID x 25' FT |
| Style | HVAC Insulated-Flex |
| Shape | Circular |
| Item Package Quantity | 1 |
| Included Components | Hose |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Three year warranty - rubber-cal, inc. Offers the following limited warranty on all sheet rubber, flooring and matting products for a period of three years from date of sale to the original purchaser of our products. For a complete outline of rubber-cal's three year warranty please visit www. Rubbercal. Com. |

## Product Details

- **Brand:** Rubber-Cal
- **Material:** Aluminum
- **Color:** 845605000000
- **Product Dimensions:** 300"L x 4"W
- **Item Length:** 25 Feet
- **UPC:** 845605070061
- **Manufacturer:** Rubber-Cal
- **Global Trade Identification Number:** 00845605070061

## Images

!["HVAC Insulated-Flex" Ducting Ventilation Duct Hose, 4-Inch by 25-Feet - Image 1](https://m.media-amazon.com/images/I/71zC7HmIw4L.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/21547316-hvac-insulated-flex-ducting-ventilation-duct-hose-4-inch-by](https://www.desertcart.jp/products/21547316-hvac-insulated-flex-ducting-ventilation-duct-hose-4-inch-by)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-22*