6-Inch Ducting Seal Clamp For HVAC – Reduces Noise & Vibration, Fits Fans, Filters, And Round Ducts

About This Product

If you're setting up or maintaining a ventilation system, you know how much difference the right little components can make.
This 6-inch ducting seal clamp is one of those parts that quietly does a big job — it connects and seals round duct components, fans, filters, and more, while also cutting down on noise and vibration.

The clamp is about 3.

5 inches wide with an inner diameter of 5.

9 inches, so it fits snugly around most 6-inch round ducts.
Inside, there's a polyurethane foam lining that not only seals things tight but also dampens vibration, which helps the whole system run quieter and more efficiently.
The clamp itself is sturdy steel with a single screw that tightens with a hex key, making it super easy to install or take apart when you need to.
It works with flexible ducts, dust collectors, exhaust fans, intake fans, carbon filters, and even dryer vent hoses.
Whether you're working in an attic, basement, bathroom, garage, workshop, or kitchen, this clamp helps keep airflow smooth and noise down.
Installation only takes a few minutes — just slide your duct parts in from both sides, tighten the screw, and you're good to go.

Dual-Purpose Dampener and Seal: This clamp isn't just a connector — it also reduces vibration and noise in your ducting system, making your HVAC setup quieter and more comfortable to be around.
Fits 6-Inch Round Ducts: The clamp has a 5.
91-inch inner diameter and a 3.
54-inch width, designed to securely seal and connect standard 6-inch round duct components, fans, filters, and splitters.
Polyurethane Foam for Better Sealing: The foam lining compresses to create a tight seal, improves airflow, reduces vibration transfer, and helps maintain consistent temperature distribution — which also extends equipment life.

Easy Single-Screw Clamp: Adjust the clamp with a hex key using the single screw mechanism.
Made of rugged steel, it's durable and easy to install or remove in minutes without any hassle.

Works with Lots of Systems: Compatible with flexible ducts, dust collectors, duct splitters, exhaust/intake fans, carbon filters, and dryer vent hoses.

Great for residential, commercial, and industrial use indoors or outdoors.