4-5 Inch Air Filters

High Efficiency Air Conditioner and Furnace Media Filters

View our selection of 4 inch and 5 inch thick furnace filters and air conditioner filters.  This type of filter is usually housed in an "add-on" cabinet located either at the equipment, or possible install into the duct system.  These air filters offer much higher efficiency, and require less frequent changing than standard filters. These filters are ideal for households with pets, or occupants who have needs for better control of dust, pollen, and other respiratory irritants.  Brands include Honeywell, Aprilaire, Air Bear, ICP Carrier Bryant Comfortmaker, and Trane.

Displaying 11 to 20 (of 122 products)
  Item Name- Price
Carrier TopTech TT-FM-2025 MERV 11 Replacement Air Filter - 2 Pk
Carrier TopTech TT-FM-2025 MERV 11 Replacement Air Filter - 2 Pk
Carrier TopTech TT-FM-2025 Replacement Air Filter - MERV 11 20" X 25" X 4" Replacement For TopTech TT-FM-2025 MERV 11 Replacement...
$94.45
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Lennox MERV 11 Healthy Climate Filter X0585 2 Pack
Lennox MERV 11 Healthy Climate Filter X0585 2 Pack
Genuine Lennox X0585 OEM Replacement MERV 11 Filter 2 Pack Lennox X0585 Overview The Lennox X0585 MERV 11 filter is the recommended replacement...
$136.08
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Lennox MERV 11 Healthy Climate Filter X6670 2 Pack
Lennox MERV 11 Healthy Climate Filter X6670 2 Pack
Genuine Lennox X6670 OEM Replacement MERV 11 Filter 2 Pack Lennox X6670 Overview The Lennox X6670 MERV 11 filter is the recommended replacement...
$122.64
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Lennox MERV 11 Healthy Climate Filter X6673 2 Pack
Lennox MERV 11 Healthy Climate Filter X6673 2 Pack
Genuine Lennox X6673 OEM Replacement MERV 11 Filter 2 Pack Lennox X6673 Overview The Lennox X6673 MERV 11 filter is the recommended replacement...
$136.45
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Lennox MERV 13 Healthy Climate Filter 19L14 2 Pack
Lennox MERV 13 Healthy Climate Filter 19L14 2 Pack
Genuine Lennox 19L14 OEM Replacement MERV 13 Filter 2 Pack Lennox 19L14 Overview The Lennox 19L14 MERV 13 filter is the recommended replacement...
$178.08
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Lennox Healthy Climate 100908-10 Carbon MERV 16 Filter Y6604
Lennox Healthy Climate 100908-10 Carbon MERV 16 Filter Y6604
Healthy Climate 100908-10 Y6604 PureAir 20 x 26 x 5 MERV 16 Carbon Clean 16 Pleated Filter for PCO3-20-16 Lennox Y6604 Overview Healthy Climate...
$223.44
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Lennox Healthy Climate MERV 11 Filter X0581 Filter 2 Pack
Lennox Healthy Climate MERV 11 Filter X0581 Filter 2 Pack
Genuine Lennox X0581 OEM Replacement MERV 11 Filter 2 Pack 16 X 25 X 3 Lennox X0581 Overview This OEM MERV 11 X0581 filter from Lennox offers high...
$122.64
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Lennox Healthy Climate MERV 11 Filter X6664 Filter 2 Pack
Lennox Healthy Climate MERV 11 Filter X6664 Filter 2 Pack
Genuine Lennox X6664 OEM Replacement MERV 11 Filter 2 Pack Lennox X6664 Overview This OEM MERV 11 X6664 filter from Lennox offers high efficiency....
$122.64
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Lennox Healthy Climate MERV 11 Filter X6667 Filter 2 Pack
Lennox Healthy Climate MERV 11 Filter X6667 Filter 2 Pack
Genuine Lennox X6667 OEM Replacement MERV 11 Filter 2 Pack Lennox X6667 Overview This OEM MERV 11 X6667 filter from Lennox offers high efficiency....
$125.79
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Lennox Healthy Climate MERV 16 Filter X6672 HFC16-16
Lennox Healthy Climate MERV 16 Filter X6672 HFC16-16
Genuine Lennox X6672 OEM Replacement MERV 16 Filter HFC16-16 Lennox X6672 Overview Carbon Clean 16® (MERV 16) Box Filters Disposable, pleated...
$272.16
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Displaying 11 to 20 (of 122 products)