Return Air Filter Bases

9 item(s)

 - Return Air Filter Bases
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14x25 4IN HIGH Filter Bases – Upflow or Horizontal with Hinged Door (Gas Furnace)
 - Return Air Filter Bases
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16x25 4IN HIGH Filter Bases – Upflow or Horizontal with Hinged Door (Gas Furnace)
 - Return Air Filter Bases
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20x25 4IN HIGH Filter Bases – Upflow or Horizontal with Hinged Door (Gas Furnace)
 - Return Air Filter Bases
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14x20 4IN HIGH Filter Bases – Upflow or Horizontal with Hinged Door (Electric Air Handler)
 - Return Air Filter Bases
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16x20 4IN HIGH Filter Bases – Upflow or Horizontal with Hinged Door (Electric Air Handler)
 - Return Air Filter Bases
Compare
20x20 4IN HIGH Filter Bases – Upflow or Horizontal with Hinged Door (Electric Air Handler)
 - Return Air Filter Bases
Compare
20x25 4IN HIGH Filter Bases – Upflow or Horizontal with Hinged Door (Electric Air Handler)
 - Return Air Filter Bases
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12x12 FRESH AIR FILTER BOX DUCT BOARD TOP
12x12  FILTER BOX FOR FRESH AIR SOLID - Return Air Filter Bases
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12x12x7 FILTER BOX FOR FRESH AIR