---
product_id: 370268339
title: "4-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct"
brand: "fresh speed"
price: "B/.49"
currency: PAB
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.pa/products/370268339-4-inch-backdraft-damper-shutter-inline-spring-loaded-for-dryer
store_origin: PA
region: Panama
---

# one-way airflow control galvanized steel & stainless steel durability 4-inch precision fit 4-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct

**Brand:** fresh speed
**Price:** B/.49
**Availability:** ✅ In Stock

## Summary

> 💨 Keep your airflow flawless and your home energy-smart!

## Quick Answers

- **What is this?** 4-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct by fresh speed
- **How much does it cost?** B/.49 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/370268339-4-inch-backdraft-damper-shutter-inline-spring-loaded-for-dryer)

## Best For

- fresh speed enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Installation:** Designed for quick horizontal or vertical duct insertion with secure foam sealing and clamp compatibility.
- • **Whisper-Quiet Operation:** Inner rubber seal and foam strip reduce noise and enhance airtightness for a peaceful home environment.
- • **Trusted 24-Month Warranty:** Reliable support with a 2-year guarantee and responsive customer service within 24 hours.
- • **Seamless One-Directional Airflow:** Automatically opens only with outgoing air to prevent backdrafts and energy loss.
- • **Premium Industrial-Grade Materials:** Galvanized steel casing, aluminum blades, and stainless steel spring ensure long-lasting performance.

## Overview

The 4-Inch Backdraft Damper Shutter is a high-quality inline spring-loaded valve designed for dryer ducts and HVAC systems. Crafted from galvanized steel, aluminum, and stainless steel, it ensures durable, one-way airflow control that prevents backdrafts and energy waste. Its noise-reducing seals and easy installation make it an essential upgrade for modern homes, backed by a 24-month warranty for peace of mind.

## Description



## Features

- Home Improvement: Especially suitable for inserting into dryer duct. Perfect for use in bathrooms, garages, sheds, campers, stopping inflow of air from AC units, range hood extractors, heating systems
- Easy Installation: The duct damper opens and closes automatically, allowing only one-directional airflow. The damper blades open only in the outflowing air direction when the shutter is installed. The duct valve for 4-inch duct best installed in a horizontal position and inserted fully into the duct. This also applies to vertical installation
- High-Quality Material: The casing of the shutter is made of galvanized steel sheet. The dryer vent valve blades are made of aluminium. The shaft and spring are made of stainless steel
- Great for Home Use: The inner rubber seal is used for better tightness and for noise reduction. The outer foam sealing strip provides good tightening and fixing of the backdraft damper inside the duct. The back draught valve can be inserted into a non-flexible metal or plastic duct directly, but for flexible duct you must use steel duct clamps to secure the backdraft damper
- Support Guarantee: We have a 24-month warranty. Feel free to contact us with any questions. We will reply within 24 hours

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | FRESH SPEED |
| Part Number | 752349625313 |
| Item Weight | 3.52 ounces |
| Package Dimensions | 4.21 x 4.17 x 2.44 inches |
| Item model number | 752349625313 |
| Size | 4-Inch 100mm |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![4-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct - Image 1](https://m.media-amazon.com/images/I/51GobSS5nVL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works for it's purpose
*by M***. on June 14, 2025*

We live in a very rural, windy area. Husband installed a vent for the microwave fan above our stove to vent outside. Any kind of wind had the vent making so much noise throughout the day Abe night. We finally got fed up with it and purchased this... it was extremely easy for him to install and sealed great! We no longer hear the extremely loud, annoying flapping and it has stopped so much backdraft. The fan ventilation system is even quieter than it was before! We've had it installed for over a month now with some pretty nasty storms and seems durable!

### ⭐⭐⭐⭐⭐ Fits great in our 4 inch ductwork
*by A***R on August 5, 2025*

Fit in our 4 inch pipe. Just what we needed for our bathroom vent fan exhaust to be pushed out yet closed when it’s hot and humid for no air to come in. Excellent product!

### ⭐⭐⭐⭐⭐ Excellent
*by T***. on July 26, 2025*

Excellent. Works as advertised.

## Frequently Bought Together

- FRESH SPEED 4-Inch Backdraft Damper Shutter Inline Spring Loaded for Dryer Duct
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- AC Infinity Flexible 4-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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**Shop now:** [https://www.desertcart.com.pa/products/370268339-4-inch-backdraft-damper-shutter-inline-spring-loaded-for-dryer](https://www.desertcart.com.pa/products/370268339-4-inch-backdraft-damper-shutter-inline-spring-loaded-for-dryer)

---

*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-03-02*