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$269.99

BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And

Amazon.com

Free shipping

$269.99

BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - (1 Slot) Single Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And

Amazon.com

$209.99

BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (2 Slot) Double Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And

Amazon.com

Free shipping

$209.99

BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - (2 Slot) Double Slot] Premium Insulated Galvanized Sheet Metal Plenum Box For Heating And

Amazon.com

$119.99

$159.99

BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

25% off

$119.99

$159.99

BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

$79.99

$104.99

BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

23% off

$79.99

$104.99

BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

$249.99

$329.99

BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

24% off

$249.99

$329.99

BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 3 Slot - Triple 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

$109.99

$139.99

BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

21% off

$109.99

$139.99

BUILDMART - 24" Plenum Box For [24" Linear Slot Diffuser - 1 Slot - Single 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

$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

$89.99

$129.99

BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

30% off

$89.99

$129.99

BUILDMART - 12" Plenum Box For [12" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

$2.59

Garvin 52151-Svt 4" Sq Chicago Plenum Junction Box 1-1/2" Deep 1/2" And 3/4" Ko's

Gordon Electric Supply

$2.59

Garvin 52151-Svt 4" Sq Chicago Plenum Junction Box 1-1/2" Deep 1/2" And 3/4" Ko's

Gordon Electric Supply

$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

$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

$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

$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

$179.99

$229.99

BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

21% off

$179.99

$229.99

BUILDMART - 48" Plenum Box For [48" Linear Slot Diffuser - 1 Slot - Single Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

$229.99

$299.99

BUILDMART - 60" Plenum Box For [60" Linear Slot Diffuser - 2 Slot - Double Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart

Linear Slot Diffusers

23% off

$229.99

$299.99

BUILDMART - 60" Plenum Box For [60" 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

$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

$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

$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

$275.95

$339.99

Oxbox Insulated Furnace Return Plenum

eFireplaceStore

18% off

$275.95

$339.99

Oxbox Insulated Furnace Return Plenum

eFireplaceStore

$138.54

Cody Plenum Box 14-1/4" L 24-1/4" W 19" H 26 Ga Galvanized Steel

eBay

Free shipping

$138.54

Cody Plenum Box 14-1/4" L 24-1/4" W 19" H 26 Ga Galvanized Steel

eBay

$197.96

Lukjan PL10182036 Plenum Chamber Package 36 X 20 X 19

Voomi Supply

$197.96

Lukjan PL10182036 Plenum Chamber Package 36 X 20 X 19

Voomi Supply

$173.85

Chief CMA473 XL Plenum Ceiling Box

Pro AV Warehouse

$173.85

Chief CMA473 XL Plenum Ceiling Box

Pro AV Warehouse

$193.57

SOUTHWARK METAL 49C242436 Adjustable Plenum, 24 X 24 X 36, Complete Chamber, Hot Dipped Galvanized Steel

Voomi Supply

$193.57

SOUTHWARK METAL 49C242436 Adjustable Plenum, 24 X 24 X 36, Complete Chamber, Hot Dipped Galvanized Steel

Voomi Supply

$83.22

GRAY METAL SOUTH 38821212 21 X 21-1/2 X 24 in. Sheet Metal Insulated Plenum Box

Voomi Supply

$83.22

GRAY METAL SOUTH 38821212 21 X 21-1/2 X 24 in. Sheet Metal Insulated Plenum Box

Voomi Supply

$2,768.99

$3,409.99

Enervex Stainless Steel Plenum Box For RS And RSHT 16 To 20 Chimney...

eFireplaceStore

18% off

$2,768.99

$3,409.99

Enervex Stainless Steel Plenum Box For RS And RSHT 16 To 20 Chimney...

eFireplaceStore

$157.46

Chief CMA471 Plenum Ceiling Box

Pro AV Warehouse

$157.46

Chief CMA471 Plenum Ceiling Box

Pro AV Warehouse

$138.57

$173.33

M&M Manufacturing MP-DFP2025R6 Combination Return Air Filter Box & Plenum 20 in Width 25 in Depth 25 in Length

Voomi Supply

20% off

$138.57

$173.33

M&M Manufacturing MP-DFP2025R6 Combination Return Air Filter Box & Plenum 20 in Width 25 in Depth 25 in Length

Voomi Supply

$477.00

Supply And Return Plenum Kit 90G36h/Fb2428 W/ Box Filter Rack For

eBay

Free shipping

$477.00

Supply And Return Plenum Kit 90G36h/Fb2428 W/ Box Filter Rack For

eBay

$118.99

Chief CMA470 Plenum Ceiling Box

Pro AV Warehouse

$118.99

Chief CMA470 Plenum Ceiling Box

Pro AV Warehouse

$94.60

24 in. X 24 in. X 24 in. Duct Board Plenum Kit - R6.0

Home Depot

Free shipping

$94.60

24 in. X 24 in. X 24 in. Duct Board Plenum Kit - R6.0

Home Depot

$103.34

CODY COMPANY Plenum Box, 14-1/4 X 24-1/4 X 19 In, Grey, Slant Top Flanged, 26 Ga Galvanized Steel

Voomi Supply

$103.34

CODY COMPANY Plenum Box, 14-1/4 X 24-1/4 X 19 In, Grey, Slant Top Flanged, 26 Ga Galvanized Steel

Voomi Supply

$111.00

25.5 X 17.5 X 3 With 16" Collar HVAC RETURN AIR Box PLENUM GALVANIZED 26 GAUGE

eBay

Free shipping

$111.00

25.5 X 17.5 X 3 With 16" Collar HVAC RETURN AIR Box PLENUM GALVANIZED 26 GAUGE

eBay

$120.34

$166.15

Mcdaniel Metals 13X19X36 3 ft R8 Supply Plenum 20-1/2 in X 14-1/2 in X 36 in Insul. Galv. Metal

Voomi Supply

27% off

$120.34

$166.15

Mcdaniel Metals 13X19X36 3 ft R8 Supply Plenum 20-1/2 in X 14-1/2 in X 36 in Insul. Galv. Metal

Voomi Supply

HVAC Plenum Box [Stey-by-step Guide]

Sep 15, 2021

arlingtonairconditioningheating.com

Providing Technical Services in HVAC, Plenum Box Creation, and …

Oct 20, 2021

learnvern.com

What is a Plenum Box? (Purpose on FCUs and Diffusers) - aircondlounge

Mar 26, 2024

aircondlounge.com

What is Plenum in HVAC and Why It is so Important - PICKHVAC

7 months ago

pickhvac.com

0:19

A plenum is a box or chamber in a ventilation or air conditioning syst…

859 views2 months ago

FacebookAndrii Bog

Plenum Boxes - Wynn Environmental

Apr 5, 2021

wynnenv.com

4 Types of HVAC Plenums (Basics & Applications) - aircondlounge

Jun 22, 2021

aircondlounge.com