Noise Reduction Clamp 6-Inch, Duct Coupler with Stainless Steel Clamps, Flexible Rubber Coupling for Inline Fans and Carbon Filters in Growing and HVAC (Pack of 2)

The information below is per-pack only. Rubber pipe coupling designed to securely join ducted components together while preventing air leaks. Matte black rubber construction is flexible, heavy-duty, and can easily fit over duct ports and piping. Reduces noise by absorbing sound waves from fan vibrations and airflow moving through ductwork. Forms an airtight seal and grip 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, inline fans and carbon filters with solid duct ports in growing and HVAC settings