Return Air Grille Duct Board Insulated Box/Can. 

Duct board insulated inside, R6 HVAC Code 


Return Air Grille Box to go with grille. makes it easy to install Return Air Grille. Simply install it inside the cavity created in the sheet rock and it fits right in. It is sized for your return air grille and duckboard back provides easy way to cut out return flex duct whole. Use a collar and foil tape and air lock mastic to seal it.

Product Features

  • Return Air Grille Box / Can
  • Galvanized Sheet Metal Sides
  • Insides are duckboard insulated
  • Front-end is open for RA Grille
  • Back-end is covered with Duckboard.


We CAN NOT  ship to Alaska, Hawaii, Puerto Rico, APO/FPO addresses,  or P.O. Boxes. 

Orders will be cancelled/refunded if correct address is not provided.


SALES TAX: 8.25% will be charged to shipments to Texas.

(No Reserve Price Set. After auction ends, last bidder will get the item)

Thank you for shopping with us!

Omni 21