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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.




Product Image Item Name- Price
Filtration Mfg PP11-20365-2 Return Grill Filter 2 pk 20 x 36 x 5

Filtration Mfg PP11-20365-2 Return Grill Filter 2 pk 20 x 36 x 5

Filtration Manufacturing Practical Pleat MERV 11 20 x 36 x 5 Return Grille Filter PP11-20365 Overview The Practical Pleat is a 5” high...
$178.45

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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...
$72.40

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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...
$62.95

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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...
$73.45

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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...
$62.95

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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....
$62.95

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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....
$68.20

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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...
$141.75

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Lennox Healthy Climate MERV 16 Filter X6675 Single Filter

Lennox Healthy Climate MERV 16 Filter X6675 Single Filter

Genuine Lennox X6675 OEM Replacement MERV 16 Single Filter Lennox X6675 Overview This MERV 16 X6675 filter from Lennox offers a 98% efficiency,...
$141.70

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Lennox Healthy Climate MERV 16 Filter X7935 Single Filter

Lennox Healthy Climate MERV 16 Filter X7935 Single Filter

Genuine Lennox X7935 OEM Replacement MERV 16 Single Filter Lennox X7935 Overview This MERV 16 X7935 filter from Lennox offers a 98% efficiency,...
$141.70

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