20x20 Return Air Plenum With 18-Inch Round Collar – HVAC Shop Made, Not For Filter, USA

Hey, so this is a solid, shop-made return air plenum.

It’s sized at 20 x 20 and comes with an 18-inch round collar already on it.

Just a heads-up: this one is NOT designed to hold a filter, so plan accordingly.

It’s brand new, made right here in the United States, and it’s exactly what you need if you’re piecing together your HVAC system.

The model is basically shop-made, so no fancy MPN, but it’s built to get the job done.

Whether you’re a contractor or a DIYer, this plenum will fit right into your setup.