20 x 12 in. Return Air Box Plenum for Grille

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SKU:
SHMRAC630PGS2012
Weight:
1.00 LBS
SHIPPING:
Free shipping to the lower 48 states
$56.99

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Description

This 20 x 12 in. return air box forms a plenum behind a compatible return grille.

  • Nominal face size: 20 x 12 in.
  • For a ceiling or floor return installation
  • Pair with a suitable start collar and return filter frame as needed

Confirm grille size, plenum depth and duct takeoff location before ordering; accessories are not assumed included.

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1 Review

  • 5

    20 X 12 Return Air Box Can HVAC Plenum

    Posted by Nan on Feb 3rd 2026

    Worked perfectly to connect our filter cabinet to a duct.

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