16x20 Return Air Plenum With 16 Inch Round Collar For HVAC - Not For Filter

Alright, so this is a custom-made return air plenum for your HVAC system.

It's sized at 16x20, and it comes with a 16-inch round collar attached.

Just a heads-up, this is not for a filter; it's just the plenum box itself.

It's a shop-made unit, built right here in the United States.

It's brand new and ready to install.

If you're setting up a return air drop or need a specific piece for a project, this could be exactly what you're looking for.

The brand is just a generic return air filter rack plenum, but it's built to do the job.

No fancy part number, just a solid piece of HVAC ductwork.