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4 Inch Filters

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Items 1-36 of 237 total
MERV Rating
  1. 11 76
  2. 13 76
  3. 8 85
Nominal Thickness (In.)
  1. 4" 161
Size
  1. 10" x 10" x 4" 3
  2. 10" x 14" x 4" 3
  3. 10" x 16" x 4" 3
  4. 10" x 18" x 4" 3
  5. 10" x 20" x 4" 3
  6. 10" x 24" x 4" 3
  7. 12 1/2" x 24 1/2" x 4" 3
  8. 12 1/8" x 15" x 4" 3
  9. 12" x 12" x 4" 3
  10. 12" x 16" x 4" 3
  11. 12" x 18" x 4" 3
  12. 12" x 20" x 4 1
  13. 12" x 20" x 4" 2
  14. 12" x 24" x 4" 1
  15. 12" x 30" x 4" 3
  16. 12" x 36" x 4 1
  17. 12" x 36" x 4" 2
  18. 13" x 21 1/2" x 4 1
  19. 13" x 21 1/2" x 4" 2
  20. 14" x 14" x 4" 3
  21. 14" x 16" x 4" 3
  22. 14" x 18" x 4" 3
  23. 14" x 20" x 4" 3
  24. 14" x 22" x 4" 3
  25. 14" x 24" x 4" 3
  26. 14" x 25" x 4" 3
  27. 14" x 30" x 4" 3
  28. 14" x 36" x 4" 3
  29. 15" x 20" x 4" 3
  30. 15" x 25" x 4" 3
  31. 15" x 30" x 4" 3
  32. 15" x 36" x 4" 3
  33. 16 1/2" x 21 1/2" x 4" 3
  34. 16 1/2" x 21 5/8" x 4 1
  35. 16 1/2" x 21 5/8" x 4" 2
  36. 16 1/4" x 21 1/2" x 4" 3
  37. 16 3/8" x 21 1/2" x 4" 3
  38. 16" x 16" x 4" 3
  39. 16" x 18" x 4" 3
  40. 16" x 20" x 4" 1
  41. 16" x 21" x 4" 3
  42. 16" x 22" x 4 1
  43. 16" x 22" x 4" 2
  44. 16" x 24" x 4" 1
  45. 16" x 25" x 4" 1
  46. 16" x 30" x 4" 3
  47. 16" x 32" x 4" 3
  48. 16" x 36" x 4" 3
  49. 17" x 22" x 4" 3
  50. 18" x 18" x 4" 3
  51. 18" x 20" x 4" 3
  52. 18" x 22" x 4" 3
  53. 18" x 24" x 4" 1
  54. 18" x 25" x 4" 3
  55. 18" x 30" x 4" 3
  56. 18" x 36" x 4" 3
  57. 19 7/8" x 21 1/2" x 4 3
  58. 20" x 20" x 4" 1
  59. 20" x 21 1/2" x 4 3
  60. 20" x 21" x 4" 3
  61. 20" x 22 1/4" x 4" 3
  62. 20" x 22" x 4" 3
  63. 20" x 23" x 4 1
  64. 20" x 23" x 4" 2
  65. 20" x 24" x 4" 1
  66. 20" x 25" x 4" 1
  67. 20" x 30" x 4" 3
  68. 20" x 32" x 4" 3
  69. 20" x 34" x 4" 3
  70. 20" x 36" x 4 1
  71. 20" x 36" x 4" 2
  72. 21 1/2" x 21 1/2" x 4" 3
  73. 21 1/2" x 23 1/2" x 4" 3
  74. 21 1/2" x 23 3/8" x 4" 3
  75. 21 1/2" x 23 5/16" x 4" 3
  76. 21 1/4" x 21 1/4" x 4" 3
  77. 21 1/4" x 23 1/4" x 4" 3
  78. 21" x 21" x 4" 3
  79. 21" x 23" x 4" 3
  80. 22" x 22" x 4 1
  81. 22" x 22" x 4" 2
  82. 22" x 24" x 4" 3
  83. 22" x 26" x 4" 3
  84. 22" x 28" x 4" 3
  85. 22" x 36" x 4" 3
  86. 24" x 24" x 4" 1
  87. 24" x 25" x 4" 3
  88. 24" x 28" x 4" 3
  89. 24" x 30" x 4 3
  90. 24" x 36" x 4 3
  91. 25" x 25" x 4 3
  92. 30" x 30" x 4 3
  93. 30" x 36" x 4 3
  94. Show more options
Type
  1. Pleated 237
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Items 1-36 of 237 total
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