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Most Popular 1″ Filter Sizes

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8 x 20 x 1

10 x 10 x 1

10 x 20 x 1

10 x 24 x 1

10 x 30 x 1

12 x 12 x 1

12 x 14 x 1

12 x 18 x 1

12 x 20 x 1

12 x 24 x 1

12 x 25 x 1

12 x 30 x 1

12 x 36 x 1

14 x 14 x 1

14 x 20 x 1

14 x 24 x 1

14 x 25 x 1

14 x 30 x 1

14 x 36 x 1

15 x 20 x 1

16 x 16 x 1

16 x 20 x 1

16 x 24 x 1

16 x 25 x 1

16 x 30 x 1

16 x 36 x 1

18 x 18 x 1

18 x 20 x 1

18 x 24 x 1

18 x 25 x 1

18 x 30 x 1

18 x 36 x 1

19.75 x 21.25 x 1

20 x 20 x 1

20 x 22 x 1

20 x 23 x 1

20 x 24 x 1

20 x 25 x 1

20 x 30 x 1

20 x 32 x 1

20 x 36 x 1

20 x 36.125 x 1

21 x 23 x 1

22 x 22 x 1

22 x 24 x 1

22.125 x 36.625 x 1

24 x 24 x 1

24 x 30 x 1

24 x 36 x 1

25 x 25 x 1

30 x 30 x 1

30 x 32 x 1

Most Popular 2″ Filter Sizes

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12 x 24 x 2

14 x 20 x 2

14 x 25 x 2

16 x 20 x 2

16 x 25 x 2

18 x 24 x 2

18 x 25 x 2

20 x 20 x 2

20 x 24 x 2

20 x 25 x 2

24 x 24 x 2

Most Popular 4″ Filter Sizes

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14 x 25 x 4

16 x 20 x 4

16 x 25 x 4

18 x 24 x 4

20 x 20 x 4

20 x 25 x 4

24 x 24 x 4

Most Popular 5″ Filter Sizes

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16 x 25 x 5

20 x 20 x 5

20 x 25 x 5

AprilAire Filters

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APRILAIRE 213 MERV 13 AIR FILTER

APRILAIRE 413 MERV 13 AIR FILTER

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