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Home
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Heating, Venting & Cooling
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HVAC Supplies
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Ducting & Venting
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Plenums & Air Returns
Plenums & Air Returns
Insulation R-Value: 6
Air Duct
Master Flow
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Heating, Venting & Cooling
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Ducting & Venting
Plenums & Air Returns
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Master Flow
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Featured Keywords
foil tape
18 in. diameter
26 gauge sheet metal
easy assembly
job site
r6 insulation
return air box assembly
return air drop assembly
return air filter grille
side air return
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Best Seller
$
38
.
03
(16)
Master Flow
15 in. Ductboard Triangular Terminal Box
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$
167
.
26
(5)
17.5 in. x 28 in. Return Air Box Assembly
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$
54
.
58
(7)
Master Flow
20 in. x 20 in. Duct-board Return Air Box
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$
220
.
77
(3)
21 in. x 28 in. Return Air Box Assembly
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$
58
.
86
(5)
Master Flow
20 in. x 25 in. Duct-board Return Air Box
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