- (1) 4-inch Nitrile Butadiene Rubber Coupler
- (2) Adjustable Stainless Steel Worm Drive Clamps
AC Infinity 4" Noise Reduction Clamp
- 4-inch nitrile butadiene rubber coupler
- Two adjustable stainless-steel worm drive clamps
- Heavy-duty rubber core absorbs fan vibrations
- View More Details
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- You are routing ventilation ducting because rushing air noise keeps disrupting your space and you need a quieter run
- You are sealing your duct connections because air loss is dropping the overall efficiency of your fan and filter
- The heavy nitrile rubber core absorbs sound waves from fan vibrations to drop overall operational noise
- The included stainless steel hose clamps provide a tight and secure grip on any four-inch duct port
- The coupler slides easily over duct ports for a drop-in upgrade that creates an airtight seal
- Growers who installed the rubber coupler report a noticeable drop in fan vibration noise inside their rooms
- Buyers who secured their duct runs with the included clamps say they eliminated air leaks entirely
AC Infinity 4" Noise Reduction Clamp
Tired of distracting fan vibrations and inefficient airflow in your grow space? The AC Infinity 4" Noise Reduction Clamp is engineered to solve both problems, providing a secure, airtight, and quiet connection for your ventilation system. Its core is a heavy-duty nitrile rubber coupler that effectively absorbs sound waves from fan vibrations and rushing air, significantly reducing the operational noise of your setup.
This clamp ensures a perfect, leak-proof seal between ducted components, preventing air loss and maximizing the efficiency of your fan and filter. Each kit includes two adjustable stainless-steel hose clamps that provide a tight, secure grip on any 4-inch duct port or piping. This makes it an essential upgrade for any ventilation system, including compatible inline fans and flexible ducting, ensuring long-lasting, reliable performance.
What's Included
Features



Quiet Operation
Heavy-duty nitrile rubber absorbs fan vibrations and airflow noise for a quieter environment.
Leak-Proof Connection
Creates a secure, airtight seal between ducting components, maximizing airflow efficiency.
Secure & Adjustable Fit
Stainless steel worm drive clamps provide a tight, reliable grip that's easy to adjust.
Simple Installation
Slides easily over duct ports for a hassle-free, drop-in upgrade to your system.
Specifications
| Specification | Value |
|---|---|
| Ducting Size | 4 in. (10.2 cm) |
| Material | Nitrile Rubber (NBR Grade 65A) |
| Color | Matte Black |
| Clamps | Stainless Steel |
| Worm Drive Lock Head | Phillips and Flat Head |
FAQs
The primary benefit is noise reduction. Its nitrile rubber construction absorbs vibrations from your inline fan and airflow, creating a significantly quieter grow environment compared to standard metal or plastic clamps.
Yes, this clamp is specifically designed to fit all standard 4-inch ducting, inline fans, and carbon filters. It's a perfect match for products like the AC Infinity CLOUDLINE S4 and other AC Infinity ventilation gear.
Absolutely. The included worm drive clamps are made from stainless steel, ensuring they remain strong and rust-free even in high-humidity environments.
By creating a completely airtight seal, the clamp prevents air from leaking at connection points. This ensures that 100% of the air moved by your fan reaches its destination, maximizing the efficiency of your entire ventilation system. For more tips, check out our guide to AC Infinity air filter kits.
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.