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4 Inch Filters

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Items 1–36 of 237 total
Composition
  1. Fiberglass 76
  2. Pleated 76
  3. Pleated Synthetic Media 9
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" 3
  13. 12" x 24" x 4" 1
  14. 12" x 30" x 4" 3
  15. 12" x 36" x 4" 3
  16. 13" x 21 1/2" x 4" 3
  17. 14" x 14" x 4" 3
  18. 14" x 16" x 4" 3
  19. 14" x 18" x 4" 3
  20. 14" x 20" x 4" 3
  21. 14" x 22" x 4" 3
  22. 14" x 24" x 4" 3
  23. 14" x 25" x 4" 3
  24. 14" x 30" x 4" 3
  25. 14" x 36" x 4" 3
  26. 15" x 20" x 4" 3
  27. 15" x 25" x 4" 3
  28. 15" x 30" x 4" 3
  29. 15" x 36" x 4" 3
  30. 16 1/2" x 21 1/2" x 4" 3
  31. 16 1/2" x 21 5/8" x 4" 3
  32. 16 1/4" x 21 1/2" x 4" 3
  33. 16 3/8" x 21 1/2" x 4" 3
  34. 16" x 16" x 4" 3
  35. 16" x 18" x 4" 3
  36. 16" x 20" x 4" 1
  37. 16" x 21" x 4" 3
  38. 16" x 22" x 4" 3
  39. 16" x 24" x 4" 1
  40. 16" x 25" x 4" 1
  41. 16" x 30" x 4" 3
  42. 16" x 32" x 4" 3
  43. 16" x 36" x 4" 3
  44. 17" x 22" x 4" 3
  45. 18" x 18" x 4" 3
  46. 18" x 20" x 4" 3
  47. 18" x 22" x 4" 3
  48. 18" x 24" x 4" 1
  49. 18" x 25" x 4" 3
  50. 18" x 30" x 4" 3
  51. 18" x 36" x 4" 3
  52. 19 7/8" x 21 1/2" x 4" 3
  53. 20" x 20" x 4" 1
  54. 20" x 21 1/2" x 4" 3
  55. 20" x 21" x 4" 3
  56. 20" x 22 1/4" x 4" 3
  57. 20" x 22" x 4" 3
  58. 20" x 23" x 4" 3
  59. 20" x 24" x 4" 1
  60. 20" x 25" x 4" 1
  61. 20" x 30" x 4" 3
  62. 20" x 32" x 4" 3
  63. 20" x 34" x 4" 3
  64. 20" x 36" x 4" 3
  65. 21 1/2" x 21 1/2" x 4" 3
  66. 21 1/2" x 23 1/2" x 4" 3
  67. 21 1/2" x 23 3/8" x 4" 3
  68. 21 1/2" x 23 5/16" x 4" 3
  69. 21 1/4" x 21 1/4" x 4" 3
  70. 21 1/4" x 23 1/4" x 4" 3
  71. 21" x 21" x 4" 3
  72. 21" x 23" x 4" 3
  73. 22" x 22" x 4" 3
  74. 22" x 24" x 4" 3
  75. 22" x 26" x 4" 3
  76. 22" x 28" x 4" 3
  77. 22" x 36" x 4" 3
  78. 24" x 24" x 4" 1
  79. 24" x 25" x 4" 3
  80. 24" x 28" x 4" 3
  81. 24" x 30" x 4" 3
  82. 24" x 36" x 4" 3
  83. 25" x 25" x 4" 3
  84. 30" x 30" x 4" 3
  85. 30" x 36" x 4" 3
  86. Show more options
Thickness
  1. 4" 236
  2. 6" 1
Type
  1. Pleated 237
Product Price Inventory Actions
18 x 24 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.041824
MFR: WP80S.041824
Checking price...
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12 x 24 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.041224
MFR: WP80S.041224
Checking price...
Checking inventory...
20 x 25 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.042025
MFR: WP80S.042025
Checking price...
Checking inventory...
20 x 20 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.042020
MFR: WP80S.042020
Checking price...
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20 x 24 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.042024
MFR: WP80S.042024
Checking price...
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24 x 24 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.042424
MFR: WP80S.042424
Checking price...
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16 x 20 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.041620
MFR: WP80S.041620
Checking price...
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16 x 24 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.041624
MFR: WP80S.041624
Checking price...
Checking inventory...
16 x 25 x 4 MERV 8 Pleated HVAC Filter - 6 Pack
Item: WP80S.041625
MFR: WP80S.041625
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Items 1–36 of 237 total
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