---
product_id: 20629322
title: "Deflecto Non-Insulated Metallic Duct, Flexible, 3 ply, Silver, 4\" x 25' (FL0425/6)"
brand: "deflecto"
price: "₨31788"
currency: LKR
in_stock: true
reviews_count: 8
url: https://www.desertcart.lk/products/20629322-deflecto-non-insulated-metallic-duct-flexible-3-ply-silver-4
store_origin: LK
region: Sri Lanka
---

# Flexible 3-ply design 25 feet length, 4-inch diameter Fire-resistant aluminum Deflecto Non-Insulated Metallic Duct, Flexible, 3 ply, Silver, 4" x 25' (FL0425/6)

**Brand:** deflecto
**Price:** ₨31788
**Availability:** ✅ In Stock

## Summary

> 🛠️ Flex your airflow with fireproof finesse!

## Quick Answers

- **What is this?** Deflecto Non-Insulated Metallic Duct, Flexible, 3 ply, Silver, 4" x 25' (FL0425/6) by deflecto
- **How much does it cost?** ₨31788 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/20629322-deflecto-non-insulated-metallic-duct-flexible-3-ply-silver-4)

## Best For

- deflecto enthusiasts

## Why This Product

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

## Key Features

- • **Optimized Airflow:** Supports up to 5,000 FPM velocity for efficient ventilation
- • **Effortless Flexibility:** 3-ply metallic duct bends easily for quick, hassle-free installation
- • **Built to Withstand Heat:** Fire-resistant aluminum operates safely up to 266°F intermittent
- • **Trusted Safety Standard:** UL Listed Class 1 air connector ensures reliable low to medium pressure use
- • **Versatile Venting Solution:** Ideal for HVAC, bathroom, grow rooms, and general purpose venting

## Overview

The Deflecto Non-Insulated Metallic Duct is a 4-inch diameter, 25-foot long flexible duct made from fire-resistant aluminum with a durable 3-ply construction. UL Class 1 rated for low to medium pressure HVAC and venting applications, it supports airflow velocities up to 5,000 FPM and operates safely up to 266°F intermittent. Perfect for professional-grade ventilation in bathrooms, grow rooms, and general spaces, it combines ease of installation with trusted safety standards.

## Description

For low to medium pressure installations in HVAC and venting systems, our non-insulated metallic duct is an ideal solution. This 4” diameter by 25’ long multi-layered duct is permanently bonded over a steel wire coil, giving it flexibility and ease of installation. Constructed of fire resistant aluminum, it has an operating temperature of 0 to 266 degrees F, and a maximum velocity of 5,000 FPM. Perfect for grow rooms and greenhouses, bathroom and general purpose venting. This duct cannot be used for dryer venting. Instead, use a Deflecto Supurr-Flex Duct in the laundry room. • Deflecto was founded on innovative, problem solving products. For over a half century, we have built a tradition of discovering and meeting needs with invention and dependable manufacturing. Today, Deflecto is the world’s largest chair mat, bicycle reflector and dryer venting manufacturer and a global leader in sign and literature holders, office workspace accessories and other air distribution products.

## Features

- Flexible and easy to install non-insulated metallic duct; 4” diameter by 25’ long
- High quality, multi-layered duct; Foil film laminate is permanently bonded over a steel wire helix
- UL Listed Class 1 air connector; For use in low to medium pressure HVAC systems, bathroom venting and general purpose venting
- Fire resistant aluminum has an operating temperature range of 0 to 266 degrees F intermittent; Maximum velocity 5,000 FPM
- This duct cannot be used for dryer venting; Use Deflecto Supurr-Flex Duct for laundry appliance applications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Deflecto |
| Material | Aluminum |
| Color | Silver |
| Product Dimensions | 300"L x 4"W |
| Item Weight | 1.89 Pounds |
| UPC | 079916931050 |
| Manufacturer | Deflecto |
| Global Trade Identification Number | 00079916931050 |
| Part Number | 1 |
| Item Weight | 1.89 pounds |
| Item model number | FL0425/6 |
| Size | 4" x 25' |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Brand:** Deflecto
- **Material:** Aluminum
- **Color:** Silver
- **Product Dimensions:** 300"L x 4"W
- **Item Weight:** 1.89 Pounds
- **UPC:** 079916931050
- **Manufacturer:** Deflecto
- **Global Trade Identification Number:** 00079916931050

## Images

![Deflecto Non-Insulated Metallic Duct, Flexible, 3 ply, Silver, 4" x 25' (FL0425/6) - Image 1](https://m.media-amazon.com/images/I/914r0HCV6jL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality
*by P***R on February 19, 2022*

Using it for a bathroom fan duct. Very durable during installation, no issues.

### ⭐⭐⭐⭐⭐ Just what I needed
*by J***. on May 20, 2020*

Not available at local hardware store. Had to wait a couple days for delivery but didn't need to shop all over town or modify another item. Fairly priced, good quality.

### ⭐⭐⭐⭐ Worked for intended use.
*by A***R on September 28, 2020*

Item as priced right and it replaced a damaged pipe.

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**Shop now:** [https://www.desertcart.lk/products/20629322-deflecto-non-insulated-metallic-duct-flexible-3-ply-silver-4](https://www.desertcart.lk/products/20629322-deflecto-non-insulated-metallic-duct-flexible-3-ply-silver-4)

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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-11*