JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
Upgrade your HVAC and refrigeration systems with Spacepak's Plenum Duct Square Fiberboard, a durable and reliable solution for air ducting applications. Made in the USA and sold by a Veteran-Owned Business, these 4-foot lengths of fiberboard duct provide efficient ventilation, while minimizing energy loss and noise levels. Spacepak's plenum duct is perfect for use with all systems, allowing you to easily install or replace old and damaged ducting. The six-pack quantity makes this an economical choice for both DIY enthusiasts and professionals alike, making Spacepak's Plenum Duct Square Fiberboard an ideal addition to any HVAC or refrigeration project.