Return Air Boxes
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
12 X 12 Return Air Box Can HVAC Plenum
$45.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS1212$45.99 -
14 X 14 Return Air Box Can HVAC Plenum
$54.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS1414$54.99 -
20 X 12 Return Air Box Can HVAC Plenum
$56.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2012$56.99 -
20 X 14 Return Air Box Can HVAC Plenum
$65.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2014$65.99 -
20 X 16 Return Air Box Can HVAC Plenum
$67.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2016$67.99 -
24 X 12 Return Air Box Can HVAC Plenum
$72.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2412$72.99 -
25 X 14 Return Air Box Can HVAC Plenum
$74.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2514$74.99 -
20 X 20 Return Air Box Can HVAC Plenum
$76.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2020$76.99 -
25 X 16 Return Air Box Can HVAC Plenum
$86.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2516$86.99 -
25 X 20 Return Air Box Can HVAC Plenum
$87.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2520$87.99 -
30 X 20 Return Air Box Can HVAC Plenum
$89.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC628PGS3020$89.99 -
24 X 24 Return Air Box Can HVAC Plenum
$92.99Free Shipping to Continental US | Return air box is a plenum for attaching return duct to return grille in ceiling or floor. Use with start collar and return filter frame to provide return air flow...SHMRAC630PGS2424$92.99