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AC Infinity Noise Reduction Clamp 6-Inch, Duct Coupler

  • Based on 1,046 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Saturday, Oct 17
Order within 6 hours and 28 minutes
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Size: 6"


Features

  • Rubber pipe coupling designed to securely pair ducted components together while preventing air leaks.
  • Matte black rubber construction is flexible, heavy-duty, and can easily fit over duct ports and piping.
  • Minimizes noise by absorbing sound waves from fan vibrations and airflow traveling through ductwork.
  • Creates an airtight seal and hold using adjustable stainless steel hose clamps with worm drive locks.
  • 6 inch coupler fits inline fans and carbon filters with solid duct ports in growing and HVAC settings.

Description

Product Description A rubber clamp designed to connect duct ports with a secure and airtight grip to prevent any loss of airflow. The nitrile butadiene rubber structure fits smoothly over ports and piping thanks to its flexible and adaptable build. The heavy-duty rubber construction also suppresses noise and vibrations by absorbing sound waves, creating a quieter growing or HVAC environment. To ensure an even tighter connection, you can adjust the stainless-steel fasteners with worm drive locks, which are built into ribbed grooves along the rubber clamp to lock it in place. Applications This matte black coupler fits securely over ducting and piping components. Its durable rubber design prevents air leaks and reduces noise in grow rooms, grow tents, and HVAC settings. This simple and effective clamp provides the perfect support for ducting, carbon filters, inline fans, mounting grilles, dampers, and more. A heavy-duty rubber coupler for pairing ducted components with a firm grip to prevent leaks and minimize noise. When setting up a duct system, ensuring a secure connection is vital for effective airflow. Leaks can lead to an array of complications, ranging from higher bills to lower air quality. This duct coupler will firmly fit over ports and piping with an airtight grip, increasing both efficiency and effectiveness! Heavy-duty matte black coupling is constructed of nitrile butadiene rubber for a long-lasting and secure hold in growing and HVAC applications. Dual stainless-steel fasteners tighten the connection between ducting components by utilizing worm drive locks to strengthen the seal. The rubber design with a ribbed inner lip absorbs fan vibrations and suppresses soundwaves in duct systems to support a quieter environment. The versatile design delivers a smooth fit and easy installation over ports to connect fans, filters, dampeners, and more for a perfect pairing. AC Infinity is a technology company that specializes in environmental controls for audio/video and HVAC. The company was founded on the principle of working closely with customers to develop great products. Dependable service and a commitment to product quality are the foundations of the business's values.

Brand Name: AC Infinity


Item Highlight: Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC


UPC: 819137023536


Manufacturer: AC Infinity


Unit Count: 1 Count


Size: 6"


Material Type: Nitrile Butadiene Rubber, Stainless Steel


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Oct 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • 5/5 Stars: The Perfect Upgrade for a Quiet and Sealed System!
Size: 6"
If you are looking to optimize your ventilation setup, the AC Infinity Noise Reduction Clamp 6-Inch is an absolute must-have. This duct coupler acts as a flexible rubber coupling specifically designed for connecting inline fans and carbon filters. It has been a phenomenal addition to my AC Infinity ecosystem, ensuring my indoor growing environment stays perfectly dialed in and operates smoothly. Premium Build Quality Right out of the packaging, you can tell this is a high-quality piece of gear. Heavy-Duty Materials: The thick, flexible rubber feels incredibly durable and features the "AC INFINITY" logo sleekly embossed right on the side. Secure Hardware: It comes equipped with rugged stainless steel clamps. Precise Tolerances: The metal bands feature precise size markings like "141-165", ensuring you know exactly what tolerances you are working with when tightening down the system. Internal Padding: The inside of the clamp features a dense, protective foam layer that helps ensure a snug, insulated, and flush fit against your equipment. Flawless Performance This specific model, the AC-RCA6, delivers exactly what it promises on the packaging. Noise Reduction: By decoupling the rigid connections between the fan and the filter, it functions perfectly as a "NOISE REDUCTION CLAMP" to significantly cut down on vibration and operational humming. Airtight Grip: The clamp provides an incredibly secure hold, which is critical for maintaining "SEALED PROTECTION" and preventing any untreated, odorous air from leaking out of the exhaust system. Universal Compatibility: It effortlessly bridges the gap between different 6-inch components, living up to its claim of providing a "VERSATILE FIT" for both growing environments and general HVAC applications. Final Verdict: For the price point, this is a no-brainer upgrade. The presentation is professional, arriving in a sleek black bag clearly branded with the AC Infinity logo. If you want to eliminate air leaks, reduce the decibel levels of your exhaust line, and seamlessly integrate components, look no further! ... show more
Reviewed in the United States on June 20, 2026 by Mason

  • Good quality
Size: 6"
These work great and they are reasonably priced
Reviewed in the United States on August 14, 2026 by R CHAMBERS

  • Really Nice. Extremely well made. Great product. Great Shipping. Great price.
Size: 6inch (Pack of 2)
Really Nice. Extremely well made. Great product. Great Shipping. Great price.
Reviewed in the United States on July 24, 2026 by Jimm

  • It Really Works!
Size: 6"
This worked to muffle the sound and reduce system noise from AC Infinity System. System is now whisper quiet. Fits perfectly while allowing airflow. Sadly, not recommended for silencing mother-in-law. 😖
Reviewed in the United States on August 17, 2026 by bigplans12

  • Worth every penny!
Size: 6"
A MUST have to connect filter and fan!! Never again will I use duct tape!!! Took forever to get the already sealed tape off my filter/fan. Clamp was easy to install & fits like a glove. And it definitely reduces noise! It's not going to silence the fan; But I can definitely tell a "significant" difference! Can turn the fan up higher before hearing it as much, and even then it's still quieter than before. ... show more
Reviewed in the United States on February 3, 2026 by Jason B.

  • Good
Size: 6"
Expensive but great!
Reviewed in the United States on March 14, 2026 by Robert Bishop

  • great clamp for grow room exhaust
Size: 6"
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. ... show more
Reviewed in the United States on December 30, 2025 by Will

  • Great quality
Size: 8 Inch
Puts duct and fan together perfectly, airtight, and provides support. Great quality
Reviewed in the United States on June 3, 2026 by kristin leary

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