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Air Filters

NWF Supply offers a range of HVAC air filters for residential and light commercial systems designed to protect equipment and improve indoor air quality. This collection includes common sizes and MERV ratings for return grilles, filter racks, and air handlers. These filters provide reliable particulate capture, proper airflow, and consistent performance for routine system maintenance. Our primary brands are Honeywell and Glasfloss.

If the filter size or MERV rating you need is currently out of stock, please contact us — we may be able to source it or recommend an equivalent option.

Filters

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$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

18 3/4x 24 3/4x 1 A/2006 Permanent Air Filter

Filtration Mfg
Only 1 left!

This is a Brand New 18 3/4x 24 3/4x 1 A/2006 Permanent Air Filter.

$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$48.00 - $48.00
$48.00
$48.00 - $48.00
$48.00

20x20x1/2 KKM Permanent Air Filter

KKM
Only 3 left!

This is a Brand New 20x20x1/2 KKM Permanent Metal Mesh Air Filter.

$48.00 - $48.00
$48.00
$48.00 - $48.00
$48.00
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00

FC100A1037 Honeywell Media Air Filter

Resideo Technologies Inc
35 in stock

Honeywell Home Media Air Filter, 11 MERV, 20 in Width, 4 in Height, 25 in Length, White, For Use With: F25, F27, F35, F100, F150 and F200 Electroni...

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$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00

FC100A1052 Honeywell Media Air Filter

Resideo Technologies Inc
8 in stock

Honeywell Home Media Air Filter, 11 MERV, 20 in Width, 4 in Height, 12-1/2 in Length, White, For Use With: F25, F27, F35, F100, F150 and F200 Elect...

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$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00

FC100A1029 Honeywell Media Air Filter

Resideo Technologies Inc
10 in stock

Honeywell Home Media Air Filter, 11 MERV, 16 in Width, 5 in Height, 25 in Length, For Use With: F100 and F200 Media Air Cleaners, Additional Inform...

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$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
$112.00 - $112.00
$112.00
$112.00 - $112.00
$112.00

EXPXXFIL0020 Carrier Flex Expandable Air Filter

Carrier
12 in stock

Carrier® Flex Expandable Air Filter, Synthetic Media, 20 in Width, 25 in Height, 5 in Depth, 10 MERV, 0.22 in-WC Initial Resistance, 19-3/4 x 24-3/...

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$112.00 - $112.00
$112.00
$112.00 - $112.00
$112.00
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

14x20x1 Glasfloss Air Filter Case Pack of 12

Glasfloss
Only 3 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performance ...

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$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$124.00 - $124.00
$124.00
$124.00 - $124.00
$124.00

21x21x1 Air Filters Case Pack of 12

Glasfloss
Only 4 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performanc...

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$124.00 - $124.00
$124.00
$124.00 - $124.00
$124.00
$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00

20x24x2 Air Filters Case Pack of 12

Glasfloss
Only 2 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performance ...

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$78.00 - $78.00
$78.00
$78.00 - $78.00
$78.00
$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00

22x22x1 Air Filters Case Pack of 12

Glasfloss
Only 1 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performance ...

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$64.00 - $64.00
$64.00
$64.00 - $64.00
$64.00
$73.00 - $73.00
$73.00
$73.00 - $73.00
$73.00

14x18x1 Air Filters Case Pack of 12

Glasfloss
Only 1 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performance ...

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$73.00 - $73.00
$73.00
$73.00 - $73.00
$73.00
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

20x25x1 Air Filters Case Pack of 12

Glasfloss
Only 4 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performance ...

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$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00

14x14x1 Air Filters Case Pack of 12

Glasfloss
Only 2 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performa...

View full details
$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00

18x18x1 Air Filters Case Pack of 12

Glasfloss
Only 2 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performance ...

View full details
$67.00 - $67.00
$67.00
$67.00 - $67.00
$67.00
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

12x20x1 Air Filters Case Pack of 12

Glasfloss
Only 4 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performanc...

View full details
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

15x20x1 Air Filters Case Pack of 12

Glasfloss
Only 3 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performanc...

View full details
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$47.00 - $47.00
$47.00
$47.00 - $47.00
$47.00

10x20x1 Air Filters Case Pack of 12

Glasfloss
Only 4 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performanc...

View full details
$47.00 - $47.00
$47.00
$47.00 - $47.00
$47.00
$47.00 - $47.00
$47.00
$47.00 - $47.00
$47.00

10x10x1 Air Filters Case Pack of 12

Glasfloss
Only 2 left!

The Glasfloss GDS disposable panel filter features an innovative, reinforced, “double strut” construction for excellent durability and performance ...

View full details
$47.00 - $47.00
$47.00
$47.00 - $47.00
$47.00