---
product_id: 14132074
title: "QUIETFLEX 1485 14\" R 8 Insulation Value 25' Flex Duct"
brand: "quietflex"
price: "6384526₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/14132074-quietflex-1485-14-r-8-insulation-value-25-flex-duct
store_origin: VN
region: Vietnam
---

# 14-inch diameter for optimal airflow 25 ft rip-stop reinforced length for durability R8 insulation value for superior energy efficiency QUIETFLEX 1485 14" R 8 Insulation Value 25' Flex Duct

**Brand:** quietflex
**Price:** 6384526₫
**Availability:** ✅ In Stock

## Summary

> 🌀 Quietflex: Flex your airflow with style and efficiency!

## Quick Answers

- **What is this?** QUIETFLEX 1485 14" R 8 Insulation Value 25' Flex Duct by quietflex
- **How much does it cost?** 6384526₫ 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/14132074-quietflex-1485-14-r-8-insulation-value-25-flex-duct)

## Best For

- quietflex enthusiasts

## Why This Product

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

## Key Features

- • **Clean & Safe:** Airtight inner core prevents fiberglass contact with air, promoting healthier indoor air quality
- • **Energy Smart:** R8 insulation value minimizes heat loss, cutting your energy bills
- • **Built to Last:** Rip-stop silver jacket resists tears and punctures, ensuring long-term reliability
- • **Code-Ready Confidence:** Meets NFPA 90A/90B and HUD/FHA standards with ETL approval for hassle-free inspections
- • **Effortless Installation:** Lightweight, flexible design makes fitting around obstacles a breeze

## Overview

The QUIETFLEX 1485 is a 14-inch diameter, 25-foot long flex duct featuring an R8 insulation value for enhanced energy efficiency. Its rip-stop silver jacket combines metallic polyester vapor barrier with reinforced scrim for superior durability and tear resistance. Lightweight and flexible, it ensures easy installation in tight or complex spaces while meeting key industry standards including NFPA 90A/90B and HUD/FHA, making it a reliable, code-compliant choice for professional HVAC applications.

## Description

The Quietflex Rip-Stop Silver Jacketed Flex Duct has metalliac , polyester-vapor barrier with a special "rip-stop" scrim reinforcement. Johns Manville Formaldehyde–free fiber glass insulation Weather–resistant packaging Easy–to–carry package Quick clean–up and easy disposal Used for run outs to ceiling diffusers or mixing boxes or wherever duct runs in difficult spaces or around obstacles Energy efficient Lightweight and flexible, easy to install Airtight inner core insures no fiberglass contact with the air stream Tear and puncture resistant reinforced metalized polyester jacket Easier to cut than a standard scrim reinforced product Data printed on the jacket for ease of inspectors and installers HUD/FHA standards 515.2.1, Paragraph B NFPA standards 90A and 90B Meets most federal, state, and local codes and standards ETL Listed/Approved.

## Features

- Flex Duct 14 In Diameter, R 8 Insulation Value, 25 Ft Length
- The Quietflex Rip-Stop Silver Jacketed Flex Duct has metalliac , polyester-vapor barrier with a special "rip-stop" scrim reinforcement
- This is manufactured in United States

## Technical Specifications

| Specification | Value |
|---------------|-------|
| UPC | 878640008539 |
| Part Number | 1485 |
| Item Weight | 27 pounds |
| Product Dimensions | 36 x 19.5 x 19.5 inches |
| Item model number | 1485 |
| Item Package Quantity | 1 |
| Included Components | Caulk & Sealants, Painting Supplies, duct-tape |
| Batteries Required? | No |

## Product Details

- **Material:** Polyester
- **Brand:** Quietflex
- **Product Dimensions:** 300"L x 14"W
- **Global Trade Identification Number:** 00878640008539
- **Manufacturer:** QUIETFLEX

## Images

![QUIETFLEX 1485 14" R 8 Insulation Value 25' Flex Duct - Image 1](https://m.media-amazon.com/images/I/61kaS5KvfkL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/14132074-quietflex-1485-14-r-8-insulation-value-25-flex-duct](https://www.desertcart.vn/products/14132074-quietflex-1485-14-r-8-insulation-value-25-flex-duct)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-21*