Grower Tip
- Seat both 200mm ports evenly inside the rubber coupling before tightening the clamps.
- Tighten each worm-drive lock gradually, alternating sides to keep the connection aligned.
- Use it between rigid 200mm fan, filter or duct ports where vibration transfer is a concern.
Features
The 200mm | 8-inch opening matches rigid fan, filter and duct ports of the same nominal size.
Nitrile rubber flexes over rigid ports while creating a close-fitting connection.
The rubber body absorbs vibration transferred between connected ventilation components to help reduce structure-borne noise.
Two stainless-steel hose clamps use worm-drive locks to secure both sides of the coupling.
The worm-drive heads accept Phillips or flat-head screwdrivers for straightforward tightening and removal.
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1
Align the components
Position the two rigid 200mm duct ports end to end with enough clearance for the coupling.
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2
Seat the coupling
Slide the rubber coupling evenly over both ports so each side has a secure overlap.
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3
Centre the clamps
Place each stainless-steel clamp within its ribbed groove and confirm the connection remains straight.
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4
Tighten evenly
Alternate between both worm-drive locks until the coupling grips securely, then check the joint for movement or air leakage.
What duct size does this clamp fit?
This model is made for nominal 200mm | 8-inch rigid duct ports. Both components should have matching solid flanges or pipe ends that can sit inside the flexible rubber coupling. Check the outside diameter and available clearance before installation.
Which ventilation components can it connect?
It can connect matching 200mm solid ports on inline fans, carbon filters, rigid duct sections, dampers and similar ventilation components. It is intended as a flexible coupling between two rigid connection points, not as a replacement for a length of flexible ducting.
How does the clamp help reduce noise?
The NBR rubber body helps absorb vibration that would otherwise transfer directly between rigid ventilation components. Its adjustable clamps also maintain a close connection that limits movement. Overall system noise still depends on the fan, airflow speed, duct layout and mounting.
What tool is needed to tighten it?
Each stainless-steel worm-drive lock can be adjusted with either a Phillips or flat-head screwdriver. Tighten both sides gradually and evenly so the coupling stays centred. Stop once the connection is secure rather than overtightening the rubber body.
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.
When using flexible couplings to attach ducted components, this rubber coupler guarantees an effortless installation and long-lasting fit.
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.
KEY 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.
Rubber pipe coupling designed to securely pair ducted components together while preventing air leaks.
| Product Identification | |
| Manufacturer | AC Infinity Inc. |
| Product Name | Noise Reduction Clamp, 4-Inch |
| Product Model | AC-RCA8 |
| UPC Code | 819137023543 |
| Product Dimensions | |
| Ducting Size | 8 in. (20.3 cm) |
| Product Performance and Technical Specs | |
| Material | Nitrile Rubber (NBR Grade 65A) |
| Color | Matte Black |
| Clamps | Stainless Steel |
| Worm Drive Lock Head | Phillips and Flat Head |
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