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Air Filters
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Shop by Size
1 Inch Filters
2 & 3 Inch Filters
4 Inch Filters
5 & 6 Inch Filters
Shop by MERV
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Shop by MERV
MERV 6
MERV 8
MERV 11
MERV 11 + Carbon Defense
MERV 13
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Expand submenu
Shop by Brand
AeroStar
Air Bear
AprilAire
Carrier
Coway
Honeywell
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Trane
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Furnace Filters
Specialty Filters
Expand submenu
Specialty Filters
Industrial Filters
Expand submenu
Industrial Filters
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50 products
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10x10x4 - Air Filter
from
$392
28
from
$392.28
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10x14x4 - Air Filter
from
$323
82
from
$323.82
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10x16x4 - Air Filter
from
$323
82
from
$323.82
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10x18x4 - Air Filter
from
$323
82
from
$323.82
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10x20x4 - Air Filter
from
$1,295
28
from
$1,295.28
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10x24x4 - Air Filter
from
$323
82
from
$323.82
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12 1/2x24 1/2x4 - Air Filter
from
$323
82
from
$323.82
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12 1/4x15x4 - Air Filter
from
$323
82
from
$323.82
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12x12x4 - Air Filter
from
$1,295
28
from
$1,295.28
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12x16x4 Commercial HVAC Filter
from
$1,295
28
from
$1,295.28
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12x18x4 - Air Filter
from
$392
28
from
$392.28
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12x20x4 Commercial HVAC Filter
from
$1,295
28
from
$1,295.28
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12x24x4 Commercial HVAC Air Filter
from
$112
80
from
$112.80
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12x30x4 - Air Filter
from
$397
14
from
$397.14
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12x36x4 - Air Filter
from
$500
28
from
$500.28
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13x21 1/2x4 - Air Filter
from
$323
82
from
$323.82
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14x14x4 - Air Filter
from
$1,176
96
from
$1,176.96
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14x16x4 - Air Filter
from
$1,412
58
from
$1,412.58
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14x18x4 - Air Filter
from
$1,295
28
from
$1,295.28
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14x20x4 Commercial HVAC Filter
from
$1,295
28
from
$1,295.28
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14x22x4 - Air Filter
from
$474
30
from
$474.30
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Aerostar 14x24x4 - Furnace Air Filters
from
$1,412
58
from
$1,412.58
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14x25x4 Commercial HVAC Filter
from
$1,412
58
from
$1,412.58
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14x30x4 - Air Filter
from
$1,412
58
from
$1,412.58
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14x36x4 - Air Filter
from
$588
30
from
$588.30
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15x20x4 - Air Filter
from
$1,295
28
from
$1,295.28
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15x25x4 Commercial HVAC Filter
from
$1,412
58
from
$1,412.58
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15x30x4 - Air Filter
from
$397
14
from
$397.14
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15x36x4 - Air Filter
from
$441
42
from
$441.42
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16 1/2x21 1/2x4 - Air Filter
from
$353
22
from
$353.22
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16 1/2x21 5/8x4 - Air Filter
from
$457
62
from
$457.62
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16 1/4x21 1/2x4 - Air Filter
from
$1,412
58
from
$1,412.58
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16 3/8x21 1/2x4 - Air Filter
from
$353
22
from
$353.22
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16x16x4 - Air Filter
from
$317
46
from
$317.46
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16x18x4 - Air Filter
from
$1,412
58
from
$1,412.58
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16x20x4 - White Rogers Deep Pleat Air Filter
White Rodgers
from
$54
48
from
$54.48
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16x20x4 Commercial HVAC Air Filter
Aerostar
from
$103
86
from
$103.86
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16x20x4 Whole House Air Filter for White Rogers FR1000M-108
White Rodgers
from
$60
30
from
$60.30
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16x21x4 - Air Filter
from
$1,412
58
from
$1,412.58
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16x22x4 - Air Filter
from
$1,412
58
from
$1,412.58
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