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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
Lennox Healthy Climate MERV 16 Filter X8788 Single Filter

Lennox Healthy Climate MERV 16 Filter X8788 Single Filter

Genuine Lennox X8788 OEM Replacement MERV 16 Single Filter Lennox X8788 Overview This MERV 16 X8788 filter from Lennox offers a 98% efficiency,...
$261.98

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Lennox Healthy Climate PureAir MERV 16 Filter X6666 Filter

Lennox Healthy Climate PureAir MERV 16 Filter X6666 Filter

Genuine Lennox X6666 OEM Replacement MERV 16 Single Filter Lennox X6666 Overview This MERV 16 X6666 filter from Lennox offers a 98% efficiency,...
$241.40

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Lennox Healthy Climate PureAir MERV 16 Filter X6669 Filter

Lennox Healthy Climate PureAir MERV 16 Filter X6669 Filter

Genuine Lennox X6669 OEM Replacement MERV 16 Single Filter Lennox X6669 Overview This MERV 16 X6669 filter from Lennox offers a 98% efficiency,...
$255.99

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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...
$120.70

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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...
$104.95

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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...
$86.05

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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...
$94.45

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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...
$94.45

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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...
$99.70

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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...
$110.20

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