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Shop Air Filters by Size

Choose from 1", 2". 3", 4", 5", and 6" inch air filters available in standard, hard-to-find and custom sizes.

  • Quality air filters at affordable prices!
  • Available in 1, 2, 3, 4, 5, and 6 inch depths
  • Available in MERV 6, 8, 11, and 13
  • Heavy Duty Moisture Resident Frame

Select your size from the drop down menu or the list below.

Helpful Tips:
How to measure your air filter
Air Filters
4" Air Filters
  1. 10 x 10 x 4
  2. 10 x 14 x 4
  3. 10 x 16 x 4
  4. 10 x 18 x 4
  5. 10 x 20 x 4
  6. 10 x 24 x 4
  7. 12 x 12 x 4
  8. 12 x 16 x 4
  9. 12 x 18 x 4
  10. 12 x 20 x 4
  11. 12 x 24 x 4
  12. 12 x 30 x 4
  13. 12 x 36 x 4
  14. 12 1/2 x 24 1/2 x 4
  15. 12 1/8 x 15 x 4
  16. 13 x 21 1/2 x 4
  17. 14 x 14 x 4
  18. 14 x 16 x 4
  19. 14 x 18 x 4
  20. 14 x 20 x 4
  21. 14 x 22 x 4
  22. 14 x 24 x 4
  23. 14 x 25 x 4
  24. 14 x 30 x 4
  25. 14 x 36 x 4
  26. 15 x 20 x 4
  27. 15 x 25 x 4
  28. 15 x 30 x 4
  29. 15 x 36 x 4
  30. 16 x 16 x 4
  31. 16 x 18 x 4
  32. 16 x 20 x 4
  33. 16 x 20 x 4 (White Rodgers)
  34. 16 x 20 x 4 1/4 (BDP)
  35. 16 x 20 x 4 1/4 (Bryant)
  36. 16 x 20 x 4 1/4 (Carrier)
  37. 16 x 20 x 4 1/4 (Day & Night)
  38. 16 x 20 x 4 1/4 (Payne)
  39. 16 x 21 x 4
  40. 16 x 22 x 4
  41. 16 x 24 x 4
  42. 16 x 25 x 4
  43. 16 x 25 x 4 (White Rodgers)
  44. 16 x 30 x 4
  45. 16 x 32 x 4
  46. 16 x 36 x 4
  47. 16 1/2 x 21 1/2 x 4
  48. 16 1/2 x 21 5/8 x 4
  49. 16 1/4 x 21 1/2 x 4
  50. 16 3/8 x 21 1/2 x 4
  51. 17 x 22 x 4
  52. 18 x 18 x 4
  53. 18 x 20 x 4
  54. 18 x 22 x 4
  55. 18 x 24 x 4
  56. 18 x 25 x 4
  57. 18 x 30 x 4
  58. 18 x 36 x 4
  59. 19 x 20 x 4 1/4 (BDP)
  60. 19 x 20 x 4 1/4 (Bryant)
  61. 19 x 20 x 4 1/4 (Carrier)
  62. 19 x 20 x 4 1/4 (Day & Night)
  63. 19 x 20 x 4 1/4 (Payne)
  64. 19 7/8 x 21 1/2 x 4
  65. 20 x 20 x 4
  66. 20 x 20 x 4 (White Rodgers)
  67. 20 x 21 1/2 x 4
  68. 20 x 21 x 4
  69. 20x22x4
  70. 20 x 22 1/4 x 4
  71. 20 x 23 x 4
  72. 20 x 24 x 4
  73. 20 x 25 x 4
  74. 20 x 25 x 4 (White Rodgers)
  75. 20 x 30 x 4
  76. 20 x 32 x 4
  77. 20 x 34 x 4
  78. 20 x 36 x 4
  79. 21 x 21 x 4
  80. 21 x 23 x 4
  81. 21 1/2 x 21 1/2 x 4
  82. 21 1/2 x 23 1/2 x 4
  83. 21 1/2 x 23 3/8 x 4
  84. 21 1/4 x 21 1/4 x 4
  85. 21 1/4 x 23 1/4 x 4
  86. 21 1/2 x 23 5/16 x 4
  87. 22 x 22 x 4
  88. 22 x 24 x 4
  89. 22 x 26 x 4
  90. 22 x 28 x 4
  91. 22 x 36 x 4
  92. 24 x 24 x 4
  93. 24 x 25 x 4
  94. 24 x 28 x 4
  95. 24 x 30 x 4
  96. 24 x 36 x 4
  97. 25 x 25 x 4
  98. 30 x 30 x 4
  99. 30 x 36 x 4
See all 4" Filters
5" Air Filters
  1. 16 x 20 x 5 (Honeywell)
  2. 16 x 20 x 5 (Lennox)
  3. 16 x 21 x 5 (Comfort Plus)
  4. 16 x 21 x 5 (Electro-Air)
  5. 16 x 21 x 5 (Emerson)
  6. 16 x 21 x 5 (White Rodgers)
  7. 16 x 25 x 5 (Air Bear)
  8. 16 x 25 x 5 (AirKontrol)
  9. 16 x 25 x 5 (Amana)
  10. 16 x 25 x 5 (BDP)
  11. 16 x 25 x 5 (Bryant)
  12. 16 x 25 x 5 (Carrier)
  13. 16 x 25 x 5 (Coleman)
  14. 16 x 25 x 5 (Day & Night)
  15. 16 x 25 x 5 (Electro-Air)
  16. 16 x 25 x 5 (GeneralAire)
  17. 16 x 25 x 5 (Goodman)
  18. 16 x 25 x 5 (Honeywell)
  19. 16 x 25 x 5 (Lennox)
  20. 16 x 25 x 5 (Maytag)
  21. 16 x 25 x 5 (Payne)
  22. 16 x 25 x 5 (Skuttle)
  23. 16 x 25 x 5 (Totaline)
  24. 16 x 25 x 5 (Ultravation)
  25. 16 x 25 x 5 (York)
  26. 16 x 26 x 5 (Comfort Plus)
  27. 16 x 26 x 5 (Electro-Air)
  28. 16 x 26 x 5 (Emerson)
  29. 16 x 26 x 5 (Lennox)
  30. 16 x 26 x 5 (White Rodgers)
  31. 17 1/2 x 27 x 5 (Trane)
  32. 20 x 20 x 5 (Air Bear)
  33. 20 x 20 x 5 (Amana)
  34. 20 x 20 x 5 (BDP)
  35. 20 x 20 x 5 (Bryant)
  36. 20 x 20 x 5 (Carrier)
  37. 20 x 20 x 5 (Coleman)
  38. 20 x 20 x 5 (Day & Night)
  39. 20 x 20 x 5 (Electro-Air)
  40. 20 x 20 x 5 (Goodman)
  41. 20 x 20 x 5 (Honeywell)
  42. 20 x 20 x 5 (Lennox)
  43. 20 x 20 x 5 (Maytag)
  44. 20 x 20 x 5 (Payne)
  45. 20 x 20 x 5 (Skuttle)
  46. 20 x 20 x 5 (Totaline)
  47. 20 x 20 x 5 (Ultravation)
  48. 20 x 20 x 5 (York)
  49. 20 x 21 x 5 (Comfort Plus)
  50. 20 x 21 x 5 (Electro-Air)
  51. 20 x 21 x 5 (Emerson)
  52. 20 x 21 x 5 (Lennox)
  53. 20 x 25 x 5 (Air Bear)
  54. 20 x 25 x 5 (AirKontrol)
  55. 20 x 25 x 5 (Amana)
  56. 20 x 25 x 5 (BDP)
  57. 20 x 25 x 5 (Bryant)
  58. 20 x 25 x 5 (Carrier)
  59. 20 x 25 x 5 (Coleman)
  60. 20 x 25 x 5 (Day & Night)
  61. 20 x 25 x 5 (Electro-Air)
  62. 20 x 25 x 5 (GeneralAire)
  63. 20 x 25 x 5 (Goodman)
  64. 20 x 25 x 5 (Honeywell)
  65. 20 x 25 x 5 (Lennox)
  66. 20 x 25 x 5 (Maytag)
  67. 20 x 25 x 5 (Payne)
  68. 20 x 25 x 5 (Skuttle)
  69. 20 x 25 x 5 (Totaline)
  70. 20 x 25 x 5 (Ultravation)
  71. 20 x 25 x 5 (White Rodgers)
  72. 20 x 25 x 5 (York)
  73. 20 x 26 x 5 (Comfort Plus)
  74. 20 x 26 x 5 (Electro-Air)
  75. 20 x 26 x 5 (Emerson)
  76. 20 x 26 x 5 (Lennox)
  77. 20 x 26 x 5 (White Rodgers)
  78. 21 x 23 1/2 x 5 (Trane)
  79. 21 x 26 x 5 (Trane)
  80. 21 x 27 x 5 (Trane)
  81. 24 x 25 x 5 (BDP)
  82. 24 x 25 x 5 (Bryant)
  83. 24 x 25 x 5 (Carrier)
  84. 24 x 25 x 5 (Day & Night)
  85. 24 x 25 x 5 (Payne)
See all 5" Filters

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