- 1x 6-inch Nitrile Butadiene Rubber Coupler
- 2x Adjustable Stainless Steel Clamps with Worm Drive Locks
AC Infinity 6" Noise Reduction Clamp
- Fits standard 6 inch ducting and fan ports for a seamless connection
- Nitrile butadiene rubber construction absorbs high-frequency vibrations
- Two adjustable stainless steel clamps ensure an airtight seal
- 2-year warranty
- View More Details
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Who This Is For
- You are adding this coupler because fan vibrations are traveling through your ductwork and echoing into other rooms.
- You are replacing tape seals because rigid fan ports never stay airtight and leak filtered air back into the room.
What We Found
- The nitrile rubber is way denser than standard flexible ducting, so it acts like a shock absorber for the fan.
- We noticed the inner surface has enough grip that the ducting stays put even before you tighten the steel clamps.
- Replacing duct tape with these makes maintenance easier since you can pop the fan out without making a sticky mess.
What Users Say
- Users who moved their fans into living areas say these clamps were the only thing that stopped the floor from shaking.
- Buyers report that the airtight seal finally allowed their carbon filters to work at 100 percent efficiency.
- Operators say swapping to these clamps stopped the recurring air leaks that used to ruin their climate stability.
AC Infinity 6" Noise Reduction Clamp — Duct Coupler w/ Stainless Steel Clamps
Tired of the constant hum and vibration from your ventilation system? The AC Infinity 6" Noise Reduction Clamp is engineered to create a secure, airtight, and quiet connection in your ductwork, eliminating disruptive noise at the source. Made from heavy-duty nitrile butadiene rubber, this flexible coupler absorbs sound waves from fan vibrations and airflow, ensuring a peaceful environment for your indoor garden or home. The included stainless steel hose clamps guarantee a snug, leak-proof fit over duct ports and piping, maximizing airflow efficiency. This clamp is an essential component for any high-performance setup, from grow rooms using AC Infinity inline fans to standard HVAC systems. Designed for 6-inch ducting, this clamp is also available in 4-inch and 8-inch sizes to fit a variety of setups.
What's Included
Features




Vibration Dampening
Durable nitrile rubber absorbs fan vibrations and airflow noise for a significantly quieter environment.
Leak-Proof Connection
Creates a secure, airtight seal between ducting components, preventing air loss and maximizing efficiency.
Secure & Adjustable Fit
Industrial-grade stainless steel clamps with worm drive locks ensure a tight, reliable grip on your ducting.
Simple Installation
The flexible coupler easily slips over duct ports and piping for a quick, hassle-free upgrade to your system.
Specifications
| Specification | Value |
|---|---|
| Ducting Size | 6 in. (15.2 cm) |
| Material | Nitrile Rubber (NBR Grade 65A) |
| Color | Matte Black |
| Clamps | Stainless Steel |
| Worm Drive Lock Head | Phillips and Flat Head |
Warranty
This product is covered by a 2-year warranty from AC Infinity. This warranty is a testament to the quality and durability of their products, ensuring peace of mind with your purchase.
FAQs
Its primary benefit is to significantly reduce noise and vibrations from your ventilation fan by isolating it from the ductwork. The durable rubber absorbs sound waves, creating a much quieter grow environment.
Not at all. Installation is simple and requires no special tools. Just slip the flexible rubber coupler over the duct ports and tighten the stainless steel clamps with a Phillips or flathead screwdriver for a secure fit.
A standard clamp only secures the ducting. This AC Infinity clamp acts as both a coupler and a noise dampener. Its nitrile rubber body isolates vibrations that would otherwise travel through your ductwork and amplify.
Absolutely. The clamp features stainless steel bands and a high-grade nitrile rubber coupler, both of which are resistant to rust and degradation from moisture, making it ideal for humid grow tents and HVAC applications. Check out our guide to AC Infinity grow tents and air filter kits to learn more about creating the perfect environment.
For maximum noise reduction, consider pairing this clamp with an AC Infinity Duct Silencer. This combination will significantly reduce noise from both fan vibration and airflow turbulence.
Questions About This Product?
Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)
Why Trimleaf
Equipping home growers, craft producers, and commercial operations across North America since 2016.