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Plenums & Filter Boxes | Surplus Network

Return air filter plenum, for filter 20x20x1" , and round 18" collar , hvac duct
USA
Return air filter plenum, for filter...

$160.00 USD

Return air filter plenum, for filter...

$160.00 USD

Return Air Filter Rack Plenum, 16 x 24 x 1" filter, duct work, hvac, sheet metal
USA
Return Air Filter Rack Plenum, 16 x...

$145.61 USD

Return Air Filter Rack Plenum, 16 x...

$145.61 USD

Return Air Filter Rack Plenum, 20 x 20 x 1" filter, duct work, hvac.
USA
Return Air Filter Rack Plenum, 20 x...

$145.61 USD

Return Air Filter Rack Plenum, 20 x...

$145.61 USD

Return Air Filter Rack Plenum,for filter 24x16x1" duct work,hvac sheet metal
USA
Return Air Filter Rack Plenum,for...

$145.61 USD

Return Air Filter Rack Plenum,for...

$145.61 USD

Return Air Filter Rack Plenum, 16 x 25 x 1" filter, duct work, hvac, sheet metal
USA
Return Air Filter Rack Plenum, 16 x...

$145.61 USD

Return Air Filter Rack Plenum, 16 x...

$145.61 USD

HVAC.Sheet metal. Return air filter rack plenum,fit filter 20"x 20"x 4"
USA
HVAC.Sheet metal. Return air filter...

$176.00 USD

HVAC.Sheet metal. Return air filter...

$176.00 USD

HVAC.Return air filter rack plenum,collar 16" diameter,fit filter 20"x 20"x 4"
USA
HVAC.Return air filter rack...

$184.43 USD

HVAC.Return air filter rack...

$184.43 USD

Custom Air filter rack plenum,for filter 20x16x1",and 4 round collars 6"diameter
USA
Custom Air filter rack plenum,for...

$184.43 USD

Custom Air filter rack plenum,for...

$184.43 USD

Plenum , 3/4" hem flange on one 20"x20" end , Bend to the inside
USA
Plenum , 3/4" hem flange on one...

$184.43 USD

Plenum , 3/4" hem flange on one...

$184.43 USD

HVAC.Return air filter rack plenum,collar 14" diameter,fit filter 20"x 20"x 4"
USA
HVAC.Return air filter rack...

$184.43 USD

HVAC.Return air filter rack...

$184.43 USD

Custom Return air plenum, for filter grill 20 x 30" and 18" collar.
USA
Custom Return air plenum, for filter...

$200.00 USD

Custom Return air plenum, for filter...

$200.00 USD

Custom Return air plenum, for filter grill 20 x 30" and 14" collar.
USA
Custom Return air plenum, for filter...

$200.00 USD

Custom Return air plenum, for filter...

$200.00 USD

Custom Return air plenum, for filter grill 20 x 30" and 16" collar.
USA
Custom Return air plenum, for filter...

$200.00 USD

Custom Return air plenum, for filter...

$200.00 USD

HVAC.Return air filter rack plenum,for filter 16"x20"x4" Long Side in
USA
HVAC.Return air filter rack...

$174.00 USD

HVAC.Return air filter rack...

$174.00 USD

HVAC.Return air filter rack plenum 16 x 20 x 8",fit filter 16"x20"x4"
USA
HVAC.Return air filter rack plenum 16...

$174.00 USD

HVAC.Return air filter rack plenum 16...

$174.00 USD

Return air filter plenum, 14x20 with end cap, and round 12" collar , hvac duct
USA
Return air filter plenum, 14x20 with...

$152.89 USD

Return air filter plenum, 14x20 with...

$152.89 USD

Return air filter plenum, 14x20 with end cap, and round 10" collar , hvac duct
USA
Return air filter plenum, 14x20 with...

$152.89 USD

Return air filter plenum, 14x20 with...

$152.89 USD

Return air filter plenum, 20x14 with end cap, and round 12" collar , hvac duct
USA
Return air filter plenum, 20x14 with...

$152.89 USD

Return air filter plenum, 20x14 with...

$152.89 USD

return air plenum, 16x20 ***( not for filter)*** and round 16" collar, hvac
USA
return air plenum, 16x20 ***( not...

$138.24 USD

return air plenum, 16x20 ***( not...

$138.24 USD

return air plenum, 14x20***( not for filter)***, and round 12" collar,hvac
USA
return air plenum, 14x20***( not...

$135.00 USD

return air plenum, 14x20***( not...

$135.00 USD

Custom Return air plenum, 20 x 20" ***( not for filter)*** and 16" collar.
USA
Custom Return air plenum, 20 x 20"...

$142.00 USD

Custom Return air plenum, 20 x 20"...

$142.00 USD

150k NEW STYLE Hydronic hanging heater, w/CORD, VARIABLE SPEED AND RHEOSTAT!
USA
150k NEW STYLE Hydronic hanging...

$756.70 USD

150k NEW STYLE Hydronic hanging...

$756.70 USD

HVAC.Return air filter rack plenum 16 x 25 x 8",fit filter 16"x25"x4"
USA
HVAC.Return air filter rack plenum 16...

$178.00 USD

HVAC.Return air filter rack plenum 16...

$178.00 USD

CUSTOM Return air plenum for filter 12x12x1" and round collar 8" diameter
USA
CUSTOM Return air plenum for filter...

$145.00 USD

CUSTOM Return air plenum for filter...

$145.00 USD

Return air filter plenum, 20x14 with round 12" and two 6" collars ,
USA
Return air filter plenum, 20x14 with...

$169.87 USD

Return air filter plenum, 20x14 with...

$169.87 USD

Return air plenum, 24 x 24" ***( not for filter)*** and round 18" collar,
USA
Return air plenum, 24 x 24" ***( not...

$188.07 USD

Return air plenum, 24 x 24" ***( not...

$188.07 USD

Custom .Return air plenum, 25 x 20 x 5" ***( not for filter)*** no collar
USA
Custom .Return air plenum, 25 x 20 x...

$188.07 USD

Custom .Return air plenum, 25 x 20 x...

$188.07 USD

Return Air Filter Rack Plenum, for filter 25 x 20 x 1" , duct work, hvac
USA
Return Air Filter Rack Plenum, for...

$165.00 USD

Return Air Filter Rack Plenum, for...

$165.00 USD

HVAC.Return air filter rack plenum for filter 20 x 25 x 4",collar 16" diameter.
USA
HVAC.Return air filter rack plenum...

$210.00 USD

HVAC.Return air filter rack plenum...

$210.00 USD

Return air filter plenum, for filter 25x16x1" and round 14" collar , hvac duct
USA
Return air filter plenum, for filter...

$155.32 USD

Return air filter plenum, for filter...

$155.32 USD

Filter rack plenum,return air for filter 20x20x1" and round 16" collar, hvac
USA
Filter rack plenum,return air for...

$155.32 USD

Filter rack plenum,return air for...

$155.32 USD

Return air filter plenum, for filter 20x20x1" , and round 14" collar , hvac duct
USA
Return air filter plenum, for filter...

$155.32 USD

Return air filter plenum, for filter...

$155.32 USD

return air filter rack plenum, 16x24 with end cap, and round 14" collar , hvac
USA
return air filter rack plenum, 16x24...

$155.32 USD

return air filter rack plenum, 16x24...

$155.32 USD

Return air filter plenum, 16x20 with end cap, and round 14" collar , hvac duct
USA
Return air filter plenum, 16x20 with...

$155.32 USD

Return air filter plenum, 16x20 with...

$155.32 USD

Filter rack plenum,return air 20x20x5 with end cap, and round 12" collar, hvac
USA
Filter rack plenum,return air...

$155.32 USD

Filter rack plenum,return air...

$155.32 USD

Return air plenum for filter 25x16x1" and round 14" collar , hvac duct
USA
Return air plenum for filter 25x16x1"...

$155.32 USD

Return air plenum for filter 25x16x1"...

$155.32 USD

Return air filter plenum, 16x24 with end cap, and round 12" collar , hvac duct
USA
Return air filter plenum, 16x24 with...

$155.32 USD

Return air filter plenum, 16x24 with...

$155.32 USD

Return air filter plenum, for filter 24x16x1" and round 14" collar , hvac duct
USA
Return air filter plenum, for filter...

$155.32 USD

Return air filter plenum, for filter...

$155.32 USD

Return air filter plenum, 16x20 with end cap, and round 12" collar , hvac duct
USA
Return air filter plenum, 16x20 with...

$155.32 USD

Return air filter plenum, 16x20 with...

$155.32 USD

Return air plenum for filter 25x16x1" and round 12" collar , hvac duct
USA
Return air plenum for filter 25x16x1"...

$167.44 USD

Return air plenum for filter 25x16x1"...

$167.44 USD

CUSTOM Return air plenum for filter 10x10x1" and round collar 8" diameter
USA
CUSTOM Return air plenum for filter...

$133.48 USD

CUSTOM Return air plenum for filter...

$133.48 USD

CUSTOM Return air plenum for filter 10x10x1" and round collar 6" diameter
USA
CUSTOM Return air plenum for filter...

$133.48 USD

CUSTOM Return air plenum for filter...

$133.48 USD

Custom.Plenum for filter 14 x 14 x 4" *****Hinged door******
USA
Custom.Plenum for filter 14 x 14 x 4"...

$211.13 USD

Custom.Plenum for filter 14 x 14 x 4"...

$211.13 USD

HVAC.Return air filter rack plenum,collar 14" diameter *****Hinged door******
USA
HVAC.Return air filter rack...

$223.26 USD

HVAC.Return air filter rack...

$223.26 USD

Metal Zinc Return Air Plenum 16" x 24" x 23.5" P1624235-R6-1-05BX
USA
Metal Zinc Return Air Plenum 16" x...

$72.57 USD

Metal Zinc Return Air Plenum 16" x...

$72.57 USD

Titus 8x8 Perforated Exhaust Return Grill with damper
USA
Titus 8x8 Perforated Exhaust Return...

$18.00 USD

Titus 8x8 Perforated Exhaust Return...

$18.00 USD

UNICO M3642R1 RETURN AIR PLENUM CABINET 210937
USA
UNICO M3642R1 RETURN AIR PLENUM...

$240.00 USD

UNICO M3642R1 RETURN AIR PLENUM...

$240.00 USD

HVAC.Return air filter rack plenum,collar 6" diameter,fit filter 10x10x4"
USA
HVAC.Return air filter rack...

$174.72 USD

HVAC.Return air filter rack...

$174.72 USD

Thermolec Electric Plenum Heater T-10 U STD 10KW *NEW* Older Stock
USA
Thermolec Electric Plenum Heater T-10...

$705.00 USD

Thermolec Electric Plenum Heater T-10...

$705.00 USD

PROTECH 6810411185 COLLECTOR BOX KIT FOR R92PS GAS FURNACES 205490
USA
PROTECH 6810411185 COLLECTOR BOX KIT...

$53.00 USD

PROTECH 6810411185 COLLECTOR BOX KIT...

$53.00 USD

HVAC premium return filter grill and filter 14” x 30” white
USA
HVAC premium return filter grill and...

$53.00 USD

HVAC premium return filter grill and...

$53.00 USD

TRANE BAYSUPFLGAA SUPPLY DUCT FLANGE KIT FOR AIR HANDLERS 203665
USA
TRANE BAYSUPFLGAA SUPPLY DUCT FLANGE...

$17.00 USD

TRANE BAYSUPFLGAA SUPPLY DUCT FLANGE...

$17.00 USD

TRANE BAYRETFLGAA RETURN DUCT FLANGE KIT 203708
USA
TRANE BAYRETFLGAA RETURN DUCT FLANGE...

$13.00 USD

TRANE BAYRETFLGAA RETURN DUCT FLANGE...

$13.00 USD

TRANE BAYSUPFLGCA DUCT FLANGE KIT FOR CABINET C 203666
USA
TRANE BAYSUPFLGCA DUCT FLANGE KIT FOR...

$13.00 USD

TRANE BAYSUPFLGCA DUCT FLANGE KIT FOR...

$13.00 USD

UNICO UPC-89M-8 INSTALLATION KIT FOR 2" ROUND METAL PLENUM, 8-OUTLETS 211199
USA
UNICO UPC-89M-8 INSTALLATION KIT FOR...

$180.00 USD

UNICO UPC-89M-8 INSTALLATION KIT FOR...

$180.00 USD

Return air filter rack plenum,for filter 24x20x1" , and round collar , HVAC
USA
Return air filter rack plenum,for...

$180.00 USD

Return air filter rack plenum,for...

$180.00 USD

Return air filter rack plenum,for filter 25x20x1" , and round collar , HVAC
USA
Return air filter rack plenum,for...

$180.00 USD

Return air filter rack plenum,for...

$180.00 USD

MasterFresh 6"Diameter x 16"Height Filter
USA
MasterFresh 6"Diameter x 16"Height...

$69.00 USD

MasterFresh 6"Diameter x 16"Height...

$69.00 USD

HVAC.Return air filter rack plenum,collar 18" diameter,fit filter 20"x 20"x 4"
USA
HVAC.Return air filter rack...

$186.86 USD

HVAC.Return air filter rack...

$186.86 USD

Return air plenum, 16 x 20" ***( not for filter)*** and round 12" collar,HVAC .
USA
Return air plenum, 16 x 20" ***( not...

$140.00 USD

Return air plenum, 16 x 20" ***( not...

$140.00 USD

Return air plenum, 16 x 20" ***( not for filter)*** and round 14" collar,HVAC .
USA
Return air plenum, 16 x 20" ***( not...

$140.00 USD

Return air plenum, 16 x 20" ***( not...

$140.00 USD

HVAC.Return air filter rack plenum for filter 16 x 25 x 4",collar 14" diameter.
USA
HVAC.Return air filter rack plenum...

$184.00 USD

HVAC.Return air filter rack plenum...

$184.00 USD

Return air filter rack plenum for filter 16 x 25 x 4",collar 14" diameter.HVAC.
USA
Return air filter rack plenum for...

$184.00 USD

Return air filter rack plenum for...

$184.00 USD

Return air plenum, 20 x 20" ***( not for filter)*** and round 14" collar. HVAC
USA
Return air plenum, 20 x 20" ***( not...

$141.48 USD

Return air plenum, 20 x 20" ***( not...

$141.48 USD

Custom return air plenum, 14x20***( not for filter)***, and round 14" collar
USA
Custom return air plenum, 14x20***(...

$140.40 USD

Custom return air plenum, 14x20***(...

$140.40 USD

return air plenum, 16x25 ***( not for filter)*** and round 16" collar, hvac
USA
return air plenum, 16x25 ***( not...

$140.40 USD

return air plenum, 16x25 ***( not...

$140.40 USD

return air plenum, 16x25***( not for filter)***, and round 12" collar,hvac
USA
return air plenum, 16x25***( not...

$140.40 USD

return air plenum, 16x25***( not...

$140.40 USD

Return air plenum, 20 x 20" ***( not for filter)***,and round 12" collar,HVAC
USA
Return air plenum, 20 x 20" ***( not...

$140.40 USD

Return air plenum, 20 x 20" ***( not...

$140.40 USD

return air plenum, 16x25***( not for filter)***, and round 14" collar,hvac
USA
return air plenum, 16x25***( not...

$140.40 USD

return air plenum, 16x25***( not...

$140.40 USD

HVAC.Return air filter rack plenum 16 x 24 x 8",fit filter 16"x24"x4"
USA
HVAC.Return air filter rack plenum 16...

$178.20 USD

HVAC.Return air filter rack plenum 16...

$178.20 USD

Return Air Filter Rack Plenum, 16 x 20 x 1" filter, duct work, hvac, sheet metal
USA
Return Air Filter Rack Plenum, 16 x...

$140.76 USD

Return Air Filter Rack Plenum, 16 x...

$140.76 USD

Return air plenum for filter 25x16x1" and round 14" collar , hvac duct
USA
Return air plenum for filter 25x16x1"...

$165.02 USD

Return air plenum for filter 25x16x1"...

$165.02 USD

Return air plenum, 20 x 20" ***( not for filter)*** and round 18" collar,HVAC .
USA
Return air plenum, 20 x 20" ***( not...

$142.56 USD

Return air plenum, 20 x 20" ***( not...

$142.56 USD

HVAC.Return air. Filter rack plenum for filter 16 x 20 x 4",collar 14" diameter.
USA
HVAC.Return air. Filter rack plenum...

$182.01 USD

HVAC.Return air. Filter rack plenum...

$182.01 USD

HVAC.Return air filter rack plenum for filter 16 x 20 x 4",collar 14" diameter.
USA
HVAC.Return air filter rack plenum...

$182.00 USD

HVAC.Return air filter rack plenum...

$182.00 USD

HVAC.Return air filter rack plenum for filter 16 x 20 x 4",collar 12" diameter.
USA
HVAC.Return air filter rack plenum...

$182.00 USD

HVAC.Return air filter rack plenum...

$182.00 USD

Return air filter rack plenum for filter 16 x 20 x 4",collar 14" diameter.HVAC
USA
Return air filter rack plenum for...

$182.00 USD

Return air filter rack plenum for...

$182.00 USD

HVAC.Return air filter rack plenum fit filter 16 x 20 x 4",collar 14" diameter.
USA
HVAC.Return air filter rack plenum...

$182.00 USD

HVAC.Return air filter rack plenum...

$182.00 USD