---
product_id: 737831191
title: "Noise Reduction Clamp 6\" Duct Coupler with Stainless Steel Clamp Flexible Rubber Coupling for Inline Fan and Carbon Filter Growth HVAC"
brand: "ac infinity"
price: "VT9386"
currency: VUV
in_stock: true
reviews_count: 5
category: "Ac Infinity"
url: https://www.desertcart.vu/products/737831191-noise-reduction-clamp-6-duct-coupler-with-stainless-steel-clamp
store_origin: VU
region: Vanuatu
---

# Noise reduction tech Adjustable stainless steel clamp Durable matte black rubber Noise Reduction Clamp 6" Duct Coupler with Stainless Steel Clamp Flexible Rubber Coupling for Inline Fan and Carbon Filter Growth HVAC

**Brand:** ac infinity
**Price:** VT9386
**Availability:** ✅ In Stock

## Summary

> 🔇 Lock in silence, seal in performance.

## Quick Answers

- **What is this?** Noise Reduction Clamp 6" Duct Coupler with Stainless Steel Clamp Flexible Rubber Coupling for Inline Fan and Carbon Filter Growth HVAC by ac infinity
- **How much does it cost?** VT9386 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/737831191-noise-reduction-clamp-6-duct-coupler-with-stainless-steel-clamp)

## 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

- • **Secure Fit:** Adjustable stainless steel clamp ensures airtight, leak-proof duct connections.
- • **Silent Efficiency:** Absorbs fan vibration and airflow noise for a whisper-quiet environment.
- • **Flexible Durability:** Matte black nitrile rubber flexes to fit ducts perfectly while resisting wear.
- • **Effortless Installation:** Slip-on design simplifies setup—no extra fixings needed, saving time and hassle.
- • **Versatile Compatibility:** Fits 6" inline fans, carbon filters, and HVAC ducts for seamless integration.

## Overview

The AC Infinity Noise Reduction Clamp is a 6" flexible rubber duct coupler with an adjustable stainless steel clamp, designed to create airtight seals while minimizing noise from inline fans and carbon filters. Its durable matte black nitrile rubber absorbs vibrations, ensuring quieter HVAC and grow room environments with easy, tool-free installation.

## Description

Product Description Rubber clamp designed to connect the duct port to prevent loss of air flow. Nitrile Butadiene rubber construction allows for a smooth fit to ports and plumbing thanks to its flexible and adaptable construction. Rugged rubber construction absorbs sound waves to reduce noise and vibration, creating a quieter growing environment and HVAC environment. To ensure a tighter connection, you can adjust the stainless steel fasteners with warm dry blocks. Warm dry blocks are built into ribbed grooves along the rubber clamps and lock in place. If you use the flexible coupling to attach the duct parts, this rubber coupler is easy to install and ensures a long-lasting fit. Application This matte black coupler fits securely into ducts and plumbing components. Durable rubber design prevents air leakage and reduces noise in cultivation rooms, cultivation tents and HVAC settings. This simple and effective clamp perfectly supports ducts, carbon filters, inline fans, mounting grilles, dampers, and more.

Review: Die AC Infinity Geräusch‑Unterdrückungs‑Manschette hat mich wirklich überzeugt! Sie ist hochwertig verarbeitet, sitzt perfekt um Rohrverbindungen und reduziert spürbar die Lüfter‑ und Strömungsgeräusche meines Systems. Die Materialien fühlen sich robust an und wirken langlebig — kein dünner, billiger Stoff, sondern ein stabiler Schalldämpfer, der durchdacht konstruiert ist. Was mir besonders gefällt: Effektive Geräuschreduzierung: Geräusche, die sonst unangenehm auffallen, werden merklich gedämpft — gerade bei höheren Lüfterstufen ein spürbarer Unterschied. Hochwertige Verarbeitung: Die Manschette besteht aus strapazierfähigen, isolierenden Materialien, die sich auch bei häufiger Nutzung nicht verfärben oder ausleiern. Flexible Passform: Sie lässt sich einfach über Lüftungsrohre oder Ventilator‑Anschlüsse ziehen und sitzt sicher, ohne zu verrutschen. Leicht zu installieren: Kein Werkzeug nötig — innerhalb weniger Minuten sitzt alles perfekt. Ich nutze die Manschette in Verbindung mit meinem Lüftungssystem und merke sofort, wie ruhiger es geworden ist. Besonders beim Betrieb in Wohn‑ oder Arbeitsräumen macht sich die leisere Umgebung positiv bemerkbar. Insgesamt ein sehr durchdachtes Produkt, das Haltbarkeit, Funktion und Komfort vereint. Klare 5 von 5 Sternen und absolute Empfehlung!
Review: At first glance this may seem expensive. I bought two to mount my inline duct fan - same brand S6. These made the install simple as they slip along the duct allowing the fan to be inserted in the gap. Then they both slide back to engage with the fan before tightening the supplied clamps. The fan didn’t require any other support or fixings and the rubber deadens any vibration. There was no noise from this installation other than air movement based on how much air was moved. See my review of the S6 fan which is excellent. Final thought - the presentation in terms of the packaging was excellent.

## Features

- Rubber pipe coupling is designed to securely pair duct components while preventing air leakage
- Matte black rubber construction is flexible, durable and easily fits into duct ports and plumbing
- Minimizes noise by absorbing sound waves caused by fan vibration and airflow through duct
- Create an airtight seal and hold using an adjustable stainless steel hose clamp with a warm dry block
- 6" coupler fits inline fans and carbon filters with solid duct ports during growth and HVAC settings

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B6KHN3JV |
| Amazon Bestseller | #237,142 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #706 in Roofing Vents |
| Brand Name | AC Infinity |
| Country Of Origin | China |
| Customer Reviews | 4.7 4.7 out of 5 stars (527) |
| Manufacturer | AC Infinity |
| Material Type | ニトリルブタジエンゴム、ステンレススチール |
| Size | 6 Inch |
| UPC | 819137023536 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** AC Infinity
- **Color:** Black
- **Manufacturer:** AC Infinity
- **Material:** Nitrile Butadiene Rubber, Stainless Steel
- **Style:** Industrial
- **UPC:** 819137023536

## Images

![Noise Reduction Clamp 6" Duct Coupler with Stainless Steel Clamp Flexible Rubber Coupling for Inline Fan and Carbon Filter Growth HVAC - Image 1](https://m.media-amazon.com/images/I/61hy2l+91kL.jpg)

## Questions & Answers

**Q: I see the inside diameter, but what is the width?**
A: About 3”

**Q: what is ID and OD?**
A: Inner dimension & Outter dimension

**Q: Do they make them for 10 inch fans?**
A: Yes they do, Cloudline T10

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***R on January 1, 2026*

Die AC Infinity Geräusch‑Unterdrückungs‑Manschette hat mich wirklich überzeugt! Sie ist hochwertig verarbeitet, sitzt perfekt um Rohrverbindungen und reduziert spürbar die Lüfter‑ und Strömungsgeräusche meines Systems. Die Materialien fühlen sich robust an und wirken langlebig — kein dünner, billiger Stoff, sondern ein stabiler Schalldämpfer, der durchdacht konstruiert ist. Was mir besonders gefällt: Effektive Geräuschreduzierung: Geräusche, die sonst unangenehm auffallen, werden merklich gedämpft — gerade bei höheren Lüfterstufen ein spürbarer Unterschied. Hochwertige Verarbeitung: Die Manschette besteht aus strapazierfähigen, isolierenden Materialien, die sich auch bei häufiger Nutzung nicht verfärben oder ausleiern. Flexible Passform: Sie lässt sich einfach über Lüftungsrohre oder Ventilator‑Anschlüsse ziehen und sitzt sicher, ohne zu verrutschen. Leicht zu installieren: Kein Werkzeug nötig — innerhalb weniger Minuten sitzt alles perfekt. Ich nutze die Manschette in Verbindung mit meinem Lüftungssystem und merke sofort, wie ruhiger es geworden ist. Besonders beim Betrieb in Wohn‑ oder Arbeitsräumen macht sich die leisere Umgebung positiv bemerkbar. Insgesamt ein sehr durchdachtes Produkt, das Haltbarkeit, Funktion und Komfort vereint. Klare 5 von 5 Sternen und absolute Empfehlung!

### ⭐⭐⭐⭐⭐ Review
*by G***D on July 26, 2025*

At first glance this may seem expensive. I bought two to mount my inline duct fan - same brand S6. These made the install simple as they slip along the duct allowing the fan to be inserted in the gap. Then they both slide back to engage with the fan before tightening the supplied clamps. The fan didn’t require any other support or fixings and the rubber deadens any vibration. There was no noise from this installation other than air movement based on how much air was moved. See my review of the S6 fan which is excellent. Final thought - the presentation in terms of the packaging was excellent.

### ⭐⭐⭐⭐⭐ Review
*by W***L on December 30, 2025*

Not sure on the noise reduction portion but its a solid clamp and works well connecting my exhaust fan and the charcoal filter. been sitting solid for a few months now and unless the fan is running at 80% or higher you don't hear anything in the room or while walking past it. It doesn't obstruct the airflow and I feel like its pretty durable and will outlast my filter.

## Frequently Bought Together

- AC Infinity Noise Reduction Clamp 6-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC
- AC Infinity CLOUDLINE PRO S6, Quiet 6” Inline Duct Fan with Speed Controller - EC Motor Ventilation Exhaust Fan for Heating Cooling Booster, Grow Tents, Hydroponics
- AC Infinity Flexible 6-Inch Aluminum Ducting, Heavy-Duty Four-Layer Protection, 25-Feet Long for Heating Cooling Ventilation and Exhaust

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-04*