Filter

Flat Air Filters

Showing 1–12 of 974 results

Clear filter
Panel Filter, 3-Ply, 20x90-95, MERV7, Koch, Mfr#: 132-2018-05
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Panel Filter, 3-Ply, 20x90-95, MERV7, Koch, Mfr#: 132-2018-05

$23.69

Filter Panel, 3-Ply, 14Wx20L, MERV7, Koch, Mfr#: 132-1420-24
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Filter Panel, 3-Ply, 14Wx20L, MERV7, Koch, Mfr#: 132-1420-24

$126.99

Panel Filter, 4-Ply, 12x120-125, MERV11, Koch, Mfr#: 134-1224-05
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Panel Filter, 4-Ply, 12x120-125, MERV11, Koch, Mfr#: 134-1224-05

$23.79

Panel Filter, 4-Ply, 12x120-125, MERV11, Koch, Mfr#: 134-1224-05
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Panel Filter, 4-Ply, 12x120-125, MERV11, Koch, Mfr#: 134-1224-05

$23.79

Panel Filter, 3-Ply, 12x96-100, MERV8, Koch, Mfr#: 133-1224-04
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Panel Filter, 3-Ply, 12x96-100, MERV8, Koch, Mfr#: 133-1224-04

$19.29

Panel Filter, 3-Ply, 12x96-100, MERV8, Koch, Mfr#: 133-1224-04
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Panel Filter, 3-Ply, 12x96-100, MERV8, Koch, Mfr#: 133-1224-04

$19.29

Panel Filter, 3-Ply, 25x84-91, MERV8, Koch, Mfr#: 133-2512-07
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Panel Filter, 3-Ply, 25x84-91, MERV8, Koch, Mfr#: 133-2512-07

$45.49

Fiberglass Panel, Disp, C and I, 10
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Fiberglass Panel, Disp, C and I, 10"x30"x1", Koch Filter, Mfr#: 274-100-300

$4.19

Fiberglass Panel, Disp, C and I, 10
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Fiberglass Panel, Disp, C and I, 10"x30"x1", Koch Filter, Mfr#: 274-100-300

$4.19

Panel Filter, 3-Ply, 16x144-152, MERV7, Koch, Mfr#: 132-1618-08
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Panel Filter, 3-Ply, 16x144-152, MERV7, Koch, Mfr#: 132-1618-08

$36.69

Fiberglass Panel, Disp, C and I, 14
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Fiberglass Panel, Disp, C and I, 14"x30"x1", Koch Filter, Mfr#: 274-140-300

$4.29

Fiberglass Panel, Disp, C and I, 14
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Fiberglass Panel, Disp, C and I, 14"x30"x1", Koch Filter, Mfr#: 274-140-300

$4.29

Panel Filter, 3-Ply, 16x40-42, 2-LNK, MERV7, Koch, Mfr#: 132-1622-02
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Panel Filter, 3-Ply, 16x40-42, 2-LNK, MERV7, Koch, Mfr#: 132-1622-02

$11.19

Fiberglass Panel, Disp, C and I, 12
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Fiberglass Panel, Disp, C and I, 12"x16"x1", Koch Filter, Mfr#: 274-120-160

$4.15

Fiberglass Panel, Disp, C and I, 12
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Fiberglass Panel, Disp, C and I, 12"x16"x1", Koch Filter, Mfr#: 274-120-160

$4.15

Panel Filter, 3-Ply, 16x54-57, MERV7, Koch, Mfr#: 132-1618-03
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Panel Filter, 3-Ply, 16x54-57, MERV7, Koch, Mfr#: 132-1618-03

$13.79

Panel Filter, 4-Ply, 16x75-78, MERV11, Koch, Mfr#: 134-1625-03
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Panel Filter, 4-Ply, 16x75-78, MERV11, Koch, Mfr#: 134-1625-03

$17.29

Panel Filter, 4-Ply, 16x75-78, MERV11, Koch, Mfr#: 134-1625-03
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Panel Filter, 4-Ply, 16x75-78, MERV11, Koch, Mfr#: 134-1625-03

$17.29