Shop return plenum box

Sponsored
About our ads
$265.95
$329.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
19% off
$265.95
$329.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
$189.99
$249.99
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
24% off
$189.99
$249.99
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
$278.00
(5" W X 3" H) - Black Closed Slot Wire Duct - 6.5' L
Cable ties and more
$278.00
(5" W X 3" H) - Black Closed Slot Wire Duct - 6.5' L
Cable ties and more
$299.99
BUILDMART - 72" 1 Slot Plenum Linear Slot Plenum - Single Slot, Premium Insulated Plenum Box / Size: 12" H X 2" W X 72" L 12.0 H X 4.0 W In
Wayfair
Free shipping
$299.99
BUILDMART - 72" 1 Slot Plenum Linear Slot Plenum - Single Slot, Premium Insulated Plenum Box / Size: 12" H X 2" W X 72" L 12.0 H X 4.0 W In
Wayfair
$236.80
$289.99
Caddy Top Air Return Plenum Kit For Caddy Advanced Wood Furnaces
eFireplaceStore
18% off
$236.80
$289.99
Caddy Top Air Return Plenum Kit For Caddy Advanced Wood Furnaces
eFireplaceStore
$119.99
BUILDMART - 18" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 18" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
9
Free shipping
$119.99
BUILDMART - 18" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 18" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
$319.99
BUILDMART - 60" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 60" L 2.0 H X 7.0 W In
Wayfair
Free shipping
$319.99
BUILDMART - 60" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 60" L 2.0 H X 7.0 W In
Wayfair
$99.99
BUILDMART - 12" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 12" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
6
Free shipping
$99.99
BUILDMART - 12" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 12" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
$120.00
21.25X 28 X 5.5 Tall Furnace Stand Return Air Box Duct Hvac
eBay
Free shipping
$120.00
21.25X 28 X 5.5 Tall Furnace Stand Return Air Box Duct Hvac
eBay
$192.00
22X25x35.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
Free shipping
$192.00
22X25x35.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
$99.99
$129.99
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
23% off
$99.99
$129.99
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
$474.24
M&M Manufacturing Mp-Dfp2025r6 Combination Return Air Filter Box & Plenum 20 in
eBay.com
Free shipping
$474.24
M&M Manufacturing Mp-Dfp2025r6 Combination Return Air Filter Box & Plenum 20 in
eBay.com
$477.00
Supply And Return Plenum Kit 90G36H/FB2428 W/ Box Filter Rack For 24.5"" Furnace
eBay.com
Free shipping
$477.00
Supply And Return Plenum Kit 90G36H/FB2428 W/ Box Filter Rack For 24.5"" Furnace
eBay.com
$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
$79.99
$109.99
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
27% off
$79.99
$109.99
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
$99.99
$139.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
28% off
$99.99
$139.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$199.99
$259.99
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
23% off
$199.99
$259.99
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
$115.90
Mcdaniel Metals Rafp-20X25 Return Air Filter Plenum Box 27 in. H X 22
eBay
Free shipping
$115.90
Mcdaniel Metals Rafp-20X25 Return Air Filter Plenum Box 27 in. H X 22
eBay
$219.99
BUILDMART - 36" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 36" L 2.0 H X 7.0 W In Grayaluminum
Wayfair
Free shipping
$219.99
BUILDMART - 36" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 36" L 2.0 H X 7.0 W In Grayaluminum
Wayfair
$137.00
24X25x23.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
Free shipping
$137.00
24X25x23.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
$92.00
Supply/Return Air Duct Plenum 20 X 20 X 24 Long With Galvanized 26
eBay
Free shipping
$92.00
Supply/Return Air Duct Plenum 20 X 20 X 24 Long With Galvanized 26
eBay
$129.99
$169.99
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
23% off
$129.99
$169.99
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
$79.99
$119.99
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
33% off
$79.99
$119.99
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
$239.99
$319.99
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
25% off
$239.99
$319.99
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
$159.99
$219.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
27% off
$159.99
$219.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$120.00
HVAC RETURN AIR FILTER RACK PLENUM W/ 20X25X1 FILTER (SHEET METAL BACK) Box
eBay.com
Free shipping
$120.00
HVAC RETURN AIR FILTER RACK PLENUM W/ 20X25X1 FILTER (SHEET METAL BACK) Box
eBay.com
$209.99
$279.99
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
25% off
$209.99
$279.99
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
$82.00
25.5 X 17.5 X 3 With 16" Collar Hvac Return Air Box Plenum Galvanized
eBay
Free shipping
$82.00
25.5 X 17.5 X 3 With 16" Collar Hvac Return Air Box Plenum Galvanized
eBay
$109.99
$149.99
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
26% off
$109.99
$149.99
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
$209.62
Goodman GFB1-14I Return Furnace Plenum
Voomi Supply
$209.62
Goodman GFB1-14I Return Furnace Plenum
Voomi Supply
$189.00
Return Air Plenum, For Filter Grill 20""X 25""X 5"" With 14"" Collar & 3/4"" Flange
eBay.com
Free shipping
$189.00
Return Air Plenum, For Filter Grill 20""X 25""X 5"" With 14"" Collar & 3/4"" Flange
eBay.com
$79.00
30 X 16 X 3 With 16" Collar HVAC RETURN AIR Box PLENUM GALVANIZED 26 GAUGE
eBay.com
Free shipping
$79.00
30 X 16 X 3 With 16" Collar HVAC RETURN AIR Box PLENUM GALVANIZED 26 GAUGE
eBay.com
$119.99
$159.99
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
25% off
$119.99
$159.99
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
$239.99
$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
20% off
$239.99
$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
$219.99
$289.99
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
24% off
$219.99
$289.99
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
$517.00
Knockdown Supply Plenum W/Top 90G36H/811 24.5"X20"X36" Return Air Package 16.5"
US eBay
Free shipping
$517.00
Knockdown Supply Plenum W/Top 90G36H/811 24.5"X20"X36" Return Air Package 16.5"
US eBay
Return Air Vents - Here’s What You Need to Know | HVAC Training Shop
Return Air Vents - Here’s What You Need to Know | HVAC Training Shop
Jun 9, 2022
hvactrainingshop.com
Return Air Vent: What It Is and How to Maximize It
Return Air Vent: What It Is and How to Maximize It
Oct 28, 2019
homerepairgeek.com
What is a Plenum Box? (Purpose on FCUs and Diffusers) - aircondlounge
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
What is Plenum in HVAC and Why It is so Important - PICKHVAC
2 months ago
pickhvac.com
HVAC Return Air Ducting is Important - Lots is Better - AsktheBuilder.com
1:44
HVAC Return Air Ducting is Important - Lots is Better - Askthe…
May 8, 2017
askthebuilder.com
Return Air Grille Sizing Guide: CFM Chart & Calculation - aircondlounge
3:07
Return Air Grille Sizing Guide: CFM Chart & Calculation - aircondlounge
Aug 14, 2024
aircondlounge.com
How to install a return air plenum on a furnace
14:52
How to install a return air plenum on a furnace
4.4K viewsMar 21, 2021
YouTubeKenny Handyman Investor (Kenny)
12:03
How To Enlarge a Return - More Air Flow - HVAC Install
105.3K viewsMay 31, 2017
YouTubeFox Family Heating and Air Conditioning
19:27
Return Air Plenum Fabrication for Electric Furnace
4.3K viewsNov 19, 2020
YouTubeTractorman44
16:43
Furnace Return Air Plenum Fabrication
58.7K viewsDec 12, 2019
YouTubeTractorman44
10:04
HVAC Installation: How To Add A Ceiling Return
215.6K viewsFeb 25, 2016
YouTubeStephen Rardon
9:46
HVAC Return Vent ISSUES! DO NOT Locate Return Vents HERE!
61.7K viewsApr 3, 2023
YouTubeHVAC Guide for Homeowners
0:50
Aluminum Fixed Bar Return Air Filter Grille with Plenum Box - 24 …
4 viewsMar 31, 2021
amazon.com
3:16
#4 BlueDuct® Installation: Installing a Plenum Box
3.4K viewsMay 14, 2018
YouTubeAQC Industries
19:55
Air Handler, Centerline Plenum Transition and Return Air Installati…
113.6K viewsMar 2, 2021
YouTubeTractorman44
21:42
Sheet Metal Base Plenum for an Air Handler: Your Step-by-Step Guide
80 views5 months ago
YouTubeReConn HVAC
1:17
Return Air Frames for HVAC System Rough-In
49K viewsAug 24, 2022
YouTubeThermo - Home of Thermopan
2:52
How to Size Return and Exhaust Duct in HVAC: Complete Guide fo…
185 viewsNov 18, 2023
YouTubehvacroom
1:40
How to choose the plenum box (I)
25 views1 month ago
YouTubeFresh air ventilation Manufacturing Ltd
3:43
How to build plenum boxes for slim duct
4.5K viewsJan 25, 2020
YouTubeHvac Hvac
1:27
HVAC - Plenum Box Sizing
20K viewsDec 25, 2022
YouTubeHVAC FOR LIFE
10:40
HVAC: 16"return added to hvac system.for more cfm's
71K viewsOct 23, 2013
YouTubesteven lavimoniere
10:18
How to completely assemble a Vertical Plenum Box for HVAC
21K viewsJan 23, 2023
YouTubeghvac tech
1:30
How to insulate the plenum on the HVAC ductwork
19.8K viewsJan 18, 2017
YouTubebigmiked52 “bigmiked52”
4 Types of HVAC Plenums (Basics & Applications) - aircondlounge
Mar 26, 2024
aircondlounge.com
0:49
Step 2 - Attaching the return air drop
29.7K viewsApr 9, 2014
YouTubeHamilton Home
10:26
hvac plenum box design sizing calculation, air distribution plenu…
29.4K viewsAug 1, 2019
YouTubeMEP Engineering Tutorials
9:07
How to Install a Return Air Vent - PlumbersStock.com
506.3K viewsApr 2, 2014
YouTubePlumbersStock.com
8:57
Remodeling Tricks: How to cut a perfect return (AC repair)
108.8K viewsDec 7, 2012
YouTubeDavid Jones
15:54
How To: Fabricate A Plenum Box With BASIC Hand Tools | HVAC D…
569.8K viewsSep 28, 2021
YouTubeQuality HVACR
See more videos
Static thumbnail place holder

Shop return plenum box

Sponsored
About our ads
$474.24
M&M Manufacturing Mp-Dfp2025r6 Combination Return Air Filter Box & Plenum 20 in
eBay.com
Free shipping
$474.24
M&M Manufacturing Mp-Dfp2025r6 Combination Return Air Filter Box & Plenum 20 in
eBay.com
$477.00
Supply And Return Plenum Kit 90G36H/FB2428 W/ Box Filter Rack For 24.5"" Furnace
eBay.com
Free shipping
$477.00
Supply And Return Plenum Kit 90G36H/FB2428 W/ Box Filter Rack For 24.5"" Furnace
eBay.com
$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
$79.99
$109.99
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
27% off
$79.99
$109.99
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
$99.99
$139.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
28% off
$99.99
$139.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$199.99
$259.99
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
23% off
$199.99
$259.99
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
$115.90
Mcdaniel Metals Rafp-20X25 Return Air Filter Plenum Box 27 in. H X 22
eBay
Free shipping
$115.90
Mcdaniel Metals Rafp-20X25 Return Air Filter Plenum Box 27 in. H X 22
eBay
$219.99
BUILDMART - 36" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 36" L 2.0 H X 7.0 W In Grayaluminum
Wayfair
Free shipping
$219.99
BUILDMART - 36" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 36" L 2.0 H X 7.0 W In Grayaluminum
Wayfair
$137.00
24X25x23.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
Free shipping
$137.00
24X25x23.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
$92.00
Supply/Return Air Duct Plenum 20 X 20 X 24 Long With Galvanized 26
eBay
Free shipping
$92.00
Supply/Return Air Duct Plenum 20 X 20 X 24 Long With Galvanized 26
eBay
$129.99
$169.99
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
23% off
$129.99
$169.99
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
$79.99
$119.99
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
33% off
$79.99
$119.99
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
$239.99
$319.99
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
25% off
$239.99
$319.99
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
$159.99
$219.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
27% off
$159.99
$219.99
BUILDMART - 36" Plenum Box For [36" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$120.00
HVAC RETURN AIR FILTER RACK PLENUM W/ 20X25X1 FILTER (SHEET METAL BACK) Box
eBay.com
Free shipping
$120.00
HVAC RETURN AIR FILTER RACK PLENUM W/ 20X25X1 FILTER (SHEET METAL BACK) Box
eBay.com
$209.99
$279.99
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
25% off
$209.99
$279.99
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
$82.00
25.5 X 17.5 X 3 With 16" Collar Hvac Return Air Box Plenum Galvanized
eBay
Free shipping
$82.00
25.5 X 17.5 X 3 With 16" Collar Hvac Return Air Box Plenum Galvanized
eBay
$109.99
$149.99
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
26% off
$109.99
$149.99
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

Shop return plenum box

Sponsored
About our ads
$265.95
$329.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
19% off
$265.95
$329.99
Oxbox Insulated Furnace Return Plenum
eFireplaceStore
$189.99
$249.99
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
24% off
$189.99
$249.99
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
$278.00
(5" W X 3" H) - Black Closed Slot Wire Duct - 6.5' L
Cable ties and more
$278.00
(5" W X 3" H) - Black Closed Slot Wire Duct - 6.5' L
Cable ties and more
$299.99
BUILDMART - 72" 1 Slot Plenum Linear Slot Plenum - Single Slot, Premium Insulated Plenum Box / Size: 12" H X 2" W X 72" L 12.0 H X 4.0 W In
Wayfair
Free shipping
$299.99
BUILDMART - 72" 1 Slot Plenum Linear Slot Plenum - Single Slot, Premium Insulated Plenum Box / Size: 12" H X 2" W X 72" L 12.0 H X 4.0 W In
Wayfair
$236.80
$289.99
Caddy Top Air Return Plenum Kit For Caddy Advanced Wood Furnaces
eFireplaceStore
18% off
$236.80
$289.99
Caddy Top Air Return Plenum Kit For Caddy Advanced Wood Furnaces
eFireplaceStore
$119.99
BUILDMART - 18" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 18" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
9
Free shipping
$119.99
BUILDMART - 18" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 18" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
$319.99
BUILDMART - 60" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 60" L 2.0 H X 7.0 W In
Wayfair
Free shipping
$319.99
BUILDMART - 60" 3 Slot Plenum Linear Slot Plenum - Triple Slot, Premium Insulated Plenum Box / Size: 12" H X 5" W X 60" L 2.0 H X 7.0 W In
Wayfair
$99.99
BUILDMART - 12" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 12" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
6
Free shipping
$99.99
BUILDMART - 12" 2 Slot Plenum Linear Slot Plenum - Double Slot, Premium Insulated Plenum Box / Size: 12" H X 3.5" W X 12" L 12.0 H X 5.0 W In Grayaluminum
Wayfair
$120.00
21.25X 28 X 5.5 Tall Furnace Stand Return Air Box Duct Hvac
eBay
Free shipping
$120.00
21.25X 28 X 5.5 Tall Furnace Stand Return Air Box Duct Hvac
eBay
$192.00
22X25x35.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
Free shipping
$192.00
22X25x35.5 W/Filter Rack Return Air Duct Plenum-26 Gauge, Hvac Duct
eBay
$99.99
$129.99
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
23% off
$99.99
$129.99
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
$474.24
M&M Manufacturing Mp-Dfp2025r6 Combination Return Air Filter Box & Plenum 20 in
eBay.com
Free shipping
$474.24
M&M Manufacturing Mp-Dfp2025r6 Combination Return Air Filter Box & Plenum 20 in
eBay.com
$477.00
Supply And Return Plenum Kit 90G36H/FB2428 W/ Box Filter Rack For 24.5"" Furnace
eBay.com
Free shipping
$477.00
Supply And Return Plenum Kit 90G36H/FB2428 W/ Box Filter Rack For 24.5"" Furnace
eBay.com
$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
$79.99
$109.99
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
27% off
$79.99
$109.99
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
$99.99
$139.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
28% off
$99.99
$139.99
BUILDMART - 18" Plenum Box For [18" Linear Slot Diffuser - 3 Slot - Triple Slot] Premium Insulated Plenum Box For Heating And Cooling - Texas Buildmart
Linear Slot Diffusers
$199.99
$259.99
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
23% off
$199.99
$259.99
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
$115.90
Mcdaniel Metals Rafp-20X25 Return Air Filter Plenum Box 27 in. H X 22
eBay
Free shipping
$115.90
Mcdaniel Metals Rafp-20X25 Return Air Filter Plenum Box 27 in. H X 22
eBay