Return Air Plenum(18)
Uses item details. Price when purchased online
BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $99.99
![BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-12-Plenum-Box-for-12-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_4246d151-37dd-4373-9f0b-53af7d7ac0e6.a1e813f60fe19e9d97306a24c8ebbe10.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$9999
current price $99.99BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $169.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_eb014e6e-cb07-4604-af78-31c266dbb602.a0c47ac00a56be5a870c1adaed77f32f.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$16999
current price $169.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $199.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_e132af03-131c-4155-a42b-2e0be78f00b0.88065a369b6a67c33376fa9cb87790f1.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$19999
current price $199.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $319.99
![BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_9b0e613a-a415-41a5-8911-136414882002.28aa159fb8a282b94c755664adeed42e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$31999
current price $319.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
McDaniel Metals 161/4X203/8X36RF1/2 3 Ft R6 Return Plenum 16-1/4 inches x 20-3/8 inches x 36 inches $127.86

$12786
current price $127.86McDaniel Metals 161/4X203/8X36RF1/2 3 Ft R6 Return Plenum 16-1/4 inches x 20-3/8 inches x 36 inches
Mcdaniel Metals P1619.548-R8-1-0 - 16 Inch X 19 1/2 Inch X 48 Inch Long Insulated Sheet Metal Return Air Plenum $158.30

$15830
current price $158.30Mcdaniel Metals P1619.548-R8-1-0 - 16 Inch X 19 1/2 Inch X 48 Inch Long Insulated Sheet Metal Return Air Plenum
Mcdaniel Metals 19.5X19.5X36 - 3 Ft R6 Return Plenum (19.5X19.5X36) $119.51

$11951
current price $119.51Mcdaniel Metals 19.5X19.5X36 - 3 Ft R6 Return Plenum (19.5X19.5X36)
13 out of 5 Stars. 1 reviews
Mcdaniel Metals 21X20X36RF1/2 - 21 Inch X 20 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange $129.85

$12985
current price $129.85Mcdaniel Metals 21X20X36RF1/2 - 21 Inch X 20 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange
Mcdaniel Metals P12.519.7547.5-R8-1-0 - 12 1/2 Inch X 19 3/4 Inch X 48 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange $147.44

$14744
current price $147.44Mcdaniel Metals P12.519.7547.5-R8-1-0 - 12 1/2 Inch X 19 3/4 Inch X 48 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange
Mcdaniel Metals 16X19.5X36 - 3 Ft R6 Return Plenum (16X19.5X36) $120.27

$12027
current price $120.27Mcdaniel Metals 16X19.5X36 - 3 Ft R6 Return Plenum (16X19.5X36)
43.8 out of 5 Stars. 4 reviews
BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $219.99
![BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-48-Plenum-Box-for-48-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_019a3489-a8ba-472c-abf9-bf54fd6ab19c.c891f3e13975e3b4fcd76dc7b4909558.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$21999
current price $219.99BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $259.99
![BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_e4040341-4a11-4a5d-8595-e3c60e636940.bdb367bac4829a68ff6c6bd832e98308.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$25999
current price $259.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
Mcdaniel Metals 198/8X245/8X36RF1/2 - 19-5/8 Inch X 24-5/8 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange $150.80

$15080
current price $150.80Mcdaniel Metals 198/8X245/8X36RF1/2 - 19-5/8 Inch X 24-5/8 Inch X 36 Inch Long Insulated Sheet Metal Return Air Plenum With 1/2 Inch Flange
Mcdaniel Metals P19.87514.548-R8-1-0 - 19 7/8 Inch X 14 1/2 Inch X 48 Inch Long Insulated Sheet Metal Return Air Plenum $166.54

$16654
current price $166.54Mcdaniel Metals P19.87514.548-R8-1-0 - 19 7/8 Inch X 14 1/2 Inch X 48 Inch Long Insulated Sheet Metal Return Air Plenum
13 out of 5 Stars. 1 reviews
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $219.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_a4f66fab-7188-4600-b0ea-004c133892de.69d01ae22729d8680f5f12e2c39bc63e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$21999
current price $219.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $119.99
![BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-18-Plenum-Box-for-18-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_d399be04-7f0d-4d47-bcd3-1732cea25070.01bce4d8088633641244909e2252f867.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$11999
current price $119.99BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $129.99
![BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-24-Plenum-Box-for-24-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_118fb2dd-c95d-40f3-b431-cb81ed9c232d.47037a1c1b51ab0d619329d1cba252b1.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$12999
current price $129.99BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 72 Plenum Box for [72 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $329.99
![BUILDMART - 72 Plenum Box for [72 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-72-Plenum-Box-for-72-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_f6c39cbe-f601-48ab-8c93-41df80ad2a34.6f95dc8e989acbc4e1ccad0fc5810a34.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
Sponsored
$32999
current price $329.99BUILDMART - 72 Plenum Box for [72 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
Other options to consider(123)
Ducane (by Lennox International) Air Handler 3.0 Ton R410 or R454 Upflow Downflow Horizontal $2,498.00

$2,49800
current price $2,498.00Ducane (by Lennox International) Air Handler 3.0 Ton R410 or R454 Upflow Downflow Horizontal
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $169.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_eb014e6e-cb07-4604-af78-31c266dbb602.a0c47ac00a56be5a870c1adaed77f32f.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$16999
current price $169.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
12" Plenum Box for [12" Slot Diffuser - (2 Slot) Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas DyGTyX $158.79
![12" Plenum Box for [12" Slot Diffuser - (2 Slot) Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas DyGTyX](https://i5.walmartimages.com/seo/12-Plenum-Box-for-12-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling-Texas-DyGTyX_d3aee600-ba7e-427d-8c7b-a8187e222559.d87ccf3bdd6907bd375988db48f124c7.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$15879
current price $158.7912" Plenum Box for [12" Slot Diffuser - (2 Slot) Double Slot] Premium Insulated Plenum Box for Heating and Cooling - Texas DyGTyX
3 Ton Goodman Multi-Position Multi-Speed ECM Air Handler With Internal TXV $1,685.97

$1,68597
current price $1,685.973 Ton Goodman Multi-Position Multi-Speed ECM Air Handler With Internal TXV
Achtek AIR RETURN 8"x18" Duct Opening (Overall Size 10"x20") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated Was $222.90
Achtek AIR RETURN 8"x18" Duct Opening (Overall Size 10"x20") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $199.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_e132af03-131c-4155-a42b-2e0be78f00b0.88065a369b6a67c33376fa9cb87790f1.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$19999
current price $199.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
Steel return air filter grille 30x20 inches, wall mounted, removable panel, powder coated, for 1 inch filter, without filter $62.88

$6288
current price $62.88Steel return air filter grille 30x20 inches, wall mounted, removable panel, powder coated, for 1 inch filter, without filter
BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $279.99
![BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-48-Plenum-Box-for-48-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_b41b7783-a0f4-488c-9fe4-c5402e55a456.662a1dbe3dfde6b6af6944912c96b693.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$27999
current price $279.99BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
Achtek AIR RETURN 16"x20" Duct Opening (Overall Size 18"x22") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated

2 options
Available in additional 2 optionsAchtek AIR RETURN 16"x20" Duct Opening (Overall Size 18"x22") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
BUILDMART - 60 Plenum Box for [60 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $289.99
![BUILDMART - 60 Plenum Box for [60 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_db839baf-0714-49ce-8ff0-f4cf1ca7ef73.fc69fd740b45988d4997a977635dba2e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$28999
current price $289.99BUILDMART - 60 Plenum Box for [60 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
Wall Return Air Pathway Kit with Filter and Aluminum Grille (14"x 6")AP1406P $76.50

$7650
current price $76.50Wall Return Air Pathway Kit with Filter and Aluminum Grille (14"x 6")AP1406P
Siemens Building Technology GLB161.1Q - 24V Nsr 88# 0-10Vdc 6'Plenum for HVAC Control $238.79

$23879
current price $238.79Siemens Building Technology GLB161.1Q - 24V Nsr 88# 0-10Vdc 6'Plenum for HVAC Control
BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $219.99
![BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-36-Plenum-Box-for-36-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_a4f66fab-7188-4600-b0ea-004c133892de.69d01ae22729d8680f5f12e2c39bc63e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$21999
current price $219.99BUILDMART - 36" Plenum Box for [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
Tru Aire 4 in. H X 12 in. W 1-Way Powder Coat White Steel Return Air Grille $8.99 Was $25.86

Now$899
current price Now $8.99, Was $25.86$25.86
Tru Aire 4 in. H X 12 in. W 1-Way Powder Coat White Steel Return Air Grille
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $259.99
![BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_e4040341-4a11-4a5d-8595-e3c60e636940.bdb367bac4829a68ff6c6bd832e98308.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$25999
current price $259.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
Achtek AIR RETURN 6"x28" Duct Opening (Overall Size 8"x30") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated From $257.76
From$25776
Achtek AIR RETURN 6"x28" Duct Opening (Overall Size 8"x30") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $139.99
![BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-18-Plenum-Box-for-18-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_f90e7eab-0304-41a0-80c2-d3bb1b5f1c4e.976fc5c65e5c26eaa279a49b8b994187.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$13999
current price $139.99BUILDMART - 18" Plenum Box for [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
ZR 24" x 24" Filtered Return Air Grille in White with Electro & Powder Coated Finish $63.00 Was $73.99

Now$6300
current price Now $63.00, Was $73.99$73.99
ZR 24" x 24" Filtered Return Air Grille in White with Electro & Powder Coated Finish
25 out of 5 Stars. 2 reviews
3 Ton Goodman Multi-Position Multi-Speed ECM Air Handler With Internal TXV $1,721.00

$1,72100
current price $1,721.003 Ton Goodman Multi-Position Multi-Speed ECM Air Handler With Internal TXV
Achtek AIR RETURN 24"x30" Duct Opening (Overall Size 22"x32") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
Achtek AIR RETURN 24"x30" Duct Opening (Overall Size 22"x32") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $99.99
![BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-12-Plenum-Box-for-12-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_4246d151-37dd-4373-9f0b-53af7d7ac0e6.a1e813f60fe19e9d97306a24c8ebbe10.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$9999
current price $99.99BUILDMART - 12 Plenum Box for [12 Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
Achtek AIR RETURN 8"x12" Duct Opening (Overall Size 10"x14") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated From $133.92
From$13392
Achtek AIR RETURN 8"x12" Duct Opening (Overall Size 10"x14") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling $249.99
![BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-48-Plenum-Box-for-48-Linear-Slot-Diffuser-2-Slot-Double-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_c579243e-b138-4d1e-9a0c-c2c1cbaea2b1.600f3e9491e035eca362568f3342446d.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$24999
current price $249.99BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box for Heating and Cooling
BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling $319.99
![BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-60-Plenum-Box-for-60-Linear-Slot-Diffuser-3-Slot-Triple-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_9b0e613a-a415-41a5-8911-136414882002.28aa159fb8a282b94c755664adeed42e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$31999
current price $319.99BUILDMART - 60" Plenum Box for [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box for Heating and Cooling
Imperial RG0019 Grill Return Air 12x6in Wht $13.81 Was $16.93

Now$1381
current price Now $13.81, Was $16.93$16.93
Imperial RG0019 Grill Return Air 12x6in Wht
15 out of 5 Stars. 1 reviews
BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $219.99
![BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-48-Plenum-Box-for-48-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_019a3489-a8ba-472c-abf9-bf54fd6ab19c.c891f3e13975e3b4fcd76dc7b4909558.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$21999
current price $219.99BUILDMART - 48" Plenum Box for [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
Achtek AIR RETURN 14"x16" Duct Opening (Overall Size 16"x18") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated From $309.60
From$30960
Achtek AIR RETURN 14"x16" Duct Opening (Overall Size 16"x18") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling $129.99
![BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling](https://i5.walmartimages.com/seo/BUILDMART-24-Plenum-Box-for-24-Linear-Slot-Diffuser-1-Slot-Single-Slot-Premium-Insulated-Plenum-Box-for-Heating-and-Cooling_118fb2dd-c95d-40f3-b431-cb81ed9c232d.47037a1c1b51ab0d619329d1cba252b1.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$12999
current price $129.99BUILDMART - 24" Plenum Box for [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box for Heating and Cooling
Achtek AIR RETURN 8"x14" Duct Opening (Overall Size 10"x16") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated

2 options
Available in additional 2 optionsAchtek AIR RETURN 8"x14" Duct Opening (Overall Size 10"x16") | Heavy Cast Aluminum Air Grille HVAC Duct || Powder Coated
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