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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
Nordyne 918759 Replacement Filter MERV 11

Nordyne 918759 Replacement Filter MERV 11

Nordyne MERV 11 Replacement Media Filter Part # 918759 Actual Size = 22.5 x 22 x 5.25 - Fits all "C" Size Cabinets (Example...
$102.40

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Trane FLRQB5AH18M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5AH18M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5AH18M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 17.75" x 19" x 4.7" FLRQB5AH18M11 Overview This is a Trane...
$114.95

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Trane FLRQB5AH21M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5AH21M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5AH21M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 20.7" x 20" x 4.7" FLRQB5AH21M11 Overview This is a Trane...
$99.95

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Trane FLRQB5AH23M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5AH23M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5AH23M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 22.7" x 20" x 4.7" FLRQB5AH23M11 Overview This is a Trane...
$81.95

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Trane FLRQB5DN17M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5DN17M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5DN17M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 16.7" x 20" x 4.7" FLRQB5DN17M11 Overview This is a Trane...
$89.95

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Trane FLRQB5FR16M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR16M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR16M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 15.75" x 19" x 4.7" FLRQB5FR16M11 Overview This is a Trane...
$89.95

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Trane FLRQB5FR17M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR17M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR17M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 16.7" x 26" x 4.7" FLRQB5FR17M11 Overview This is a Trane...
$94.95

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Trane FLRQB5FR21M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR21M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR21M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 20.2" x 26" x 4.7" FLRQB5FR21M11 Overview This is a Trane...
$104.95

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Trane FLRQB5FR24M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR24M11 QuikBox Replacement Filter 2-Pack MERV 11

Trane FLRQB5FR24M11- QuikBox Replacement Media Filter 2-Pack, MERV 11 - 23.7" x 26" x 4.7" FLRQB5FR24M11 Overview This is a Trane...
$109.95

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Trane Perfect Fit Expandable Filter BAYFTAHEXM2 - 2 Pack

Trane Perfect Fit Expandable Filter BAYFTAHEXM2 - 2 Pack

Trane Perfect Fit Expandable Replacement Filter BAYFTAHEXM2 FLR06231 and FLR07962 Genuine Trane OEM Replacement Filters MERV 8 Rating ...
$74.49

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