---
product_id: 457705435
title: "AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower"
brand: "ac infinity"
price: "₩267801"
currency: KRW
in_stock: true
reviews_count: 8
category: "Ac Infinity"
url: https://www.desertcart.kr/products/457705435-ac-infinity-inline-duct-fan-silencer-100mm-noise-reduction-muffler
store_origin: KR
region: South Korea
---

# 100mm (4-inch) duct size 50% noise reduction corrosion-resistant steel AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower

**Brand:** ac infinity
**Price:** ₩267801
**Availability:** ✅ In Stock

## Summary

> 🔇 Silence your space, amplify your focus.

## Quick Answers

- **What is this?** AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower by ac infinity
- **How much does it cost?** ₩267801 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/457705435-ac-infinity-inline-duct-fan-silencer-100mm-noise-reduction-muffler)

## Best For

- ac infinity enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Fit:** Designed for 100mm (4-inch) duct openings for seamless HVAC integration.
- • **Built to Last:** Durable galvanized steel body resists corrosion and extreme temperatures.
- • **Versatile Application:** Ideal for grow tents, bath fans, and all indoor ventilation systems.
- • **Whisper-Quiet Performance:** Cut fan noise by up to 50% with premium neoprene egg crate foam.
- • **Vibration Absorbing Flanges:** Dual aluminum flanges minimize sound from fan vibration and airflow.

## Overview

The AC Infinity Inline Duct Fan Silencer is a high-performance noise reduction muffler designed for 100mm (4-inch) duct systems. Featuring a corrosion-resistant galvanized steel body and neoprene egg crate foam, it reduces fan noise by up to 50% while absorbing vibrations with dual aluminum flanges. Perfect for hydroponic grow tents, bath fans, and HVAC applications, it ensures quieter, more efficient airflow in demanding environments.

## Description

AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower | Silencer for Indoor Hydroponics Grow Tent Ventilation Systems, 4-Inch : desertcart.co.uk: Business, Industry & Science

Review: Excellent - Top carbon filter
Review: Works - Definitely makes it a bit quieter

## Features

- A duct muffler for use with in-line fans in grow tents, bath fans and other HVAC applications.
- Features two aluminum flanges to absorb sound waves from fan vibration and airflow.
- High quality neoprene egg crate pattern foam that reduces fan noise by up to 50%.
- Galvanised steel body that is corrosion resistant and can withstand extreme temperatures.
- Channel opening diameter 10.2 cm, length 38.1 cm, weight 1.0 kg

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0829GJ5Q7 |
| Best Sellers Rank | 81,688 in Garden ( See Top 100 in Garden ) 51 in Hydroponic Ventilation Equipment |
| Brand | AC Infinity |
| Brand Name | AC Infinity |
| Configuration | Dual/Dual |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 193 Reviews |
| Global Trade Identification Number | 00819137021051 |
| Item Highlight | Silencer for Indoor Hydroponics Grow Tent Ventilation Systems, 4-Inch |
| Item Shape | Round |
| Item Weight | 1.04 kg |
| Item weight | 1.04 kg |
| Manufacturer | AC INFINITY |
| Manufacturer Part Number | AC-DSA4 |
| Material | Aluminium alloy steel |
| Material Type | Aluminium alloy steel |
| Model Number | AC-DSA4 |
| Number of Items | 1 |
| Shape | Round |
| UPC | 819137021051 |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** AC Infinity
- **Configuration:** Dual/Dual
- **Item weight:** 1.04 kg
- **Material:** Aluminium alloy steel
- **Shape:** Round

## Images

![AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower - Image 1](https://m.media-amazon.com/images/I/51AYf5JWdAL.jpg)
![AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower - Image 2](https://m.media-amazon.com/images/I/61bCcwazKEL.jpg)
![AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower - Image 3](https://m.media-amazon.com/images/I/61RE0By2H6L.jpg)
![AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower - Image 4](https://m.media-amazon.com/images/I/61wAniwlO7L.jpg)
![AC Infinity Inline Duct Fan Silencer, 100mm Noise Reduction Muffler Blower - Image 5](https://m.media-amazon.com/images/I/61KUsecSisL.jpg)

## Questions & Answers

**Q: does this get installed before the fane for after the Fan and how far?**
A: I've installed one before and one after - directly on the fan.  I ultimately returned the one before the fan because the improvement was relatively minor.

**Q: Can you connect these mufflers in series? And what impact does that have?  e.g. one reduces 50% two reduces 75% ... and so forth?**
A: I don’t think they can be used end to end but you can put one on either side of the fan and that should reduce the sound.... or if you’d like you can put one directly against the fan and then add another one at the end of a duct as well. I can’t give you any specific numbers though.

**Q: Can I simple insert this silencer (not fan) before my output in my home music studio?**
A: The openings on each side is 4" in diameter. 
I'm not sure exactly what your affixing this to but if it's similar to any duct opening you'll need a clamp or coupler. Hope this helps!

**Q: Will this work on a radon fan system?**
A: i dont know about a radon but ive used a hyperfan and it fits perfect. ive also used one of those cheap vivosun ones with the red fan blades and it is about a quarter inch smaller than the flange on th muffler. it does work well though.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent
*by M***S on 20 May 2026*

Top carbon filter

### ⭐⭐⭐⭐⭐ Works
*by R***S on 22 October 2025*

Definitely makes it a bit quieter

### ⭐⭐⭐⭐⭐ five stars
*by M***? on 20 June 2026*

Like most AC Infinity products this silencer is another winner, it works perfectly well at reducing noise, in fact beyond expectations! Just put it at the very end of duct line you want to quiet down, easy!

## Frequently Bought Together

- AC Infinity Inline Duct Fan Silencer, 4" Noise Reduction Muffler Blower Silencer for Indoor Hydroponics Grow Tent Ventilation Systems
- AC Infinity Noise Reduction Clamp 4-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC
- AC Infinity CLOUDLINE PRO T4, Quiet 4” Inline Duct Fan with Temperature Humidity VPD Controller, WiFi Integrated App Control - Ventilation Exhaust Fan for Heating Cooling, Grow Tents, Hydroponics

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-09-19*