ductAtco #031 is a UL 181 Class 1, Greenguard Certified, air duct designed for indoor use as a supply and return air duct in residential and commercial low-to-medium pressure heating and air conditioning systems. It’s sheathed in a rugged, durable, and tear resistant tri-directionally scrim reinforced metallized polyester jacket. It has an ADC certified R-value of R-8.0 providing excellent thermal qualities, the company says.

Atco Rubber Products Inc.