This acoustically lined duct is intended for SpacePak high-velocity systems and comes in 10 ft lengths and is used to connect the return air box to the high-velocity air handler.

This return air air duct connects the SpacePak AC-RBF-3  return air box (Sold separately, please click on the Accessories tab at the top of the product page.) to your high-velocity air handler.

This return air duct works with the following SpacePak High-Velocity Air Handlers:

• ESP-3642EH2
• ESP-3642EH4
• ESP-3642V (BM-2503)
• ESP-3642V (BM-2612-1) 

For more information, visit www.SpacePak.com.

• (1) 10ft Long Return Duct