Shop Furnace Plenum Kits

Sponsored
About our ads
$286.95
$349.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
18% off
$286.95
$349.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
1
Free shipping
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
1
$135.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
5
Free shipping
$135.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
5
$69.99
$99.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
30% off
$69.99
$99.99
BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$229.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
1
Free shipping
$229.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
Amazon.com
1
$159.99
$209.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
23% off
$159.99
$209.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$199.99
$259.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
23% off
$199.99
$259.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$219.99
$289.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
24% off
$219.99
$289.99
BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$129.99
$169.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
23% off
$129.99
$169.99
BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$269.99
$339.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
20% off
$269.99
$339.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$139.99
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
22% off
$139.99
$179.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$89.99
$119.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
25% off
$89.99
$119.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$289.99
$369.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
21% off
$289.99
$369.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$209.99
$269.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
22% off
$209.99
$269.99
BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$249.99
$299.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
16% off
$249.99
$299.99
BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$119.99
$159.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
25% off
$119.99
$159.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$204.00
16 X 20 X 35.5 W/1" Insulation W/Filter Rack Return Air Duct Plenum-26 Gauge
eBay
Free shipping
$204.00
16 X 20 X 35.5 W/1" Insulation W/Filter Rack Return Air Duct Plenum-26 Gauge
eBay
Free shipping
$199.99
$259.99
BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
23% off
$199.99
$259.99
BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$159.99
$209.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
23% off
$159.99
$209.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$109.99
$139.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
21% off
$109.99
$139.99
BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$209.99
$269.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
22% off
$209.99
$269.99
BUILDMART - 60 Inch Plenum Box For [60 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$89.99
$129.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
30% off
$89.99
$129.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$89.99
$119.99
BUILDMART - 18 Inch Plenum Box For [18 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
25% off
$89.99
$119.99
BUILDMART - 18 Inch Plenum Box For [18 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$139.99
$179.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
22% off
$139.99
$179.99
BUILDMART - 36 Inch Plenum Box For [36 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$287.76
Stelpro 8in Plenum Kit For MUAA Series, 40 Amps (Stelpro MUAA08-DNW)
HomElectrical
180-day returns (most items)
$287.76
Stelpro 8in Plenum Kit For MUAA Series, 40 Amps (Stelpro MUAA08-DNW)
HomElectrical
180-day returns
$146.00
Supply Air Duct Plenum 20" X 24" X 23" Long With 1/2 Flange 26 Gauge
eBay
$146.00
Supply Air Duct Plenum 20" X 24" X 23" Long With 1/2 Flange 26 Gauge
eBay
$249.99
$299.99
BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
16% off
$249.99
$299.99
BUILDMART - 72 Inch Plenum Box For [72 Inch Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$79.99
$109.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
27% off
$79.99
$109.99
BUILDMART - 12 Inch Plenum Box For [12 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Texas Buildmart
$225.00
Knockdown Supply Plenum W/Top 74G36h 16.5"X20"X36" Bwidth For 17.5"
eBay
Free shipping
$225.00
Knockdown Supply Plenum W/Top 74G36h 16.5"X20"X36" Bwidth For 17.5"
eBay
Free shipping
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    Shop Furnace Plenum Kits

    Sponsored
    About our ads
    $286.95
    $349.99
    Oxbox Insulated Furnace Return Plenum
    eFireplaceStore
    18% off
    $286.95
    $349.99
    Oxbox Insulated Furnace Return Plenum
    eFireplaceStore
    $179.99
    BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
    Amazon.com
    1
    Free shipping
    $179.99
    BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
    Amazon.com
    1
    $135.99
    BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
    Amazon.com
    5
    Free shipping
    $135.99
    BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
    Amazon.com
    5
    $69.99
    $99.99
    BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    30% off
    $69.99
    $99.99
    BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $229.99
    BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
    Amazon.com
    1
    Free shipping
    $229.99
    BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And
    Amazon.com
    1
    $159.99
    $209.99
    BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    23% off
    $159.99
    $209.99
    BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $199.99
    $259.99
    BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    23% off
    $199.99
    $259.99
    BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $219.99
    $289.99
    BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    24% off
    $219.99
    $289.99
    BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $129.99
    $169.99
    BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    23% off
    $129.99
    $169.99
    BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $269.99
    $339.99
    BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    20% off
    $269.99
    $339.99
    BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $139.99
    $179.99
    BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    22% off
    $139.99
    $179.99
    BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $89.99
    $119.99
    BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    25% off
    $89.99
    $119.99
    BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $289.99
    $369.99
    BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    21% off
    $289.99
    $369.99
    BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $209.99
    $269.99
    BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    22% off
    $209.99
    $269.99
    BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $249.99
    $299.99
    BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    16% off
    $249.99
    $299.99
    BUILDMART - 72" Plenum Box For [72" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Linear Slot Diffusers
    $119.99
    $159.99
    BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Texas Buildmart
    25% off
    $119.99
    $159.99
    BUILDMART - 24 Inch Plenum Box For [24 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Texas Buildmart
    $204.00
    16 X 20 X 35.5 W/1" Insulation W/Filter Rack Return Air Duct Plenum-26 Gauge
    eBay
    Free shipping
    $204.00
    16 X 20 X 35.5 W/1" Insulation W/Filter Rack Return Air Duct Plenum-26 Gauge
    eBay
    Free shipping
    $199.99
    $259.99
    BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Texas Buildmart
    23% off
    $199.99
    $259.99
    BUILDMART - 48 Inch Plenum Box For [48 Inch Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
    Texas Buildmart