Search
My Cart
My Cart Checkout
Search
Free Shipping on Orders Over $39* | Free Returns | No Worries Guarantee | Contact Us

Tier1 Air Filters for Furnaces, Air Conditioners & Air Cleaners

Breathe easy for less with air filters from Tier1 from DiscountFilterStore.com. Tier1 is serious about healthy indoor air and is committed to ensuring that every Tier1 air filter is the highest quality aftermarket filter available. Tier1 air filters are replacement models for top brands like Filtrete, Honeywell, and Lennox but cost a fraction of the price. Made with strict quality standards, every Tier1 filter is thoroughly inspected and rigorously tested to ensure you the best possible product. Guaranteed to fit correctly and perform like the brand names, Tier1 air filters ensure clean air at a great value. Free shipping available for orders over $39.

Select your filter size

 

Value

Tier 1 MERV 6 Spun Filament Filter


Good

Tier 1 MERV 8 Pleated Filter




Better

Tier 1 MERV 11 Pleated Filter




Best

Tier 1 MERV 13 Pleated Filter




 


 
Microparticle Rating 500 600 1500 1900
 
MERV Rating 6 8 11 13
 
Cost (16x25x1) $5-6 $6-7 $8-9 $10-11
 
Life 1 months 3 months 3 months 3 months
 
Material Fiberglass Pleated Pleated Pleated
 
Dust DFS Compare Check DFS Compare Check DFS Compare Check DFS Compare Check
 
Pollen DFS Compare Check DFS Compare Check DFS Compare Check DFS Compare Check
 
Mold Spores DFS Compare Check DFS Compare Check DFS Compare Check DFS Compare Check
 
Lint DFS Compare Check DFS Compare Check DFS Compare Check DFS Compare Check
 
Pet Dander DFS Compare Check DFS Compare Check DFS Compare Check DFS Compare Check
 
Dust Mite Debris DFS Compare Check DFS Compare Check DFS Compare Check DFS Compare Check
 
Tobacco Smoke     DFS Compare Check DFS Compare Check
 
Smoke     DFS Compare Check DFS Compare Check
 
Smog     DFS Compare Check DFS Compare Check
 
Bacteria       DFS Compare Check
 
Viruses       DFS Compare Check
 

424 Products found

Set Descending Direction
Page
View as Grid List
  1. DPFW16X25X5DLX Tier1 Replacement Air Filter - 16X25X5 (2-Pack)

    Tier1 brand replacement for Lennox X0583 - 16 x 25 x 5 - MERV 8 (2-Pack)

    Price $59.99 List Price Price $85.99 Save 30%
    Free Shipping
  2. 20x25x4 Merv 11 Universal Air Filter By Tier1 (6-Pack)

    20x25x4 Merv 11 Universal Air Filter By Tier1 (6-Pack)

    Price $138.99 List Price Price $198.99 Save 30%
    Free Shipping
  3. 16x25x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    16x25x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    Price $55.99 List Price Price $79.99 Save 30%
    Free Shipping
  4. Tier1 1500 Air Filter - 16x25x4 (6-Pack)

    16x25x4 Merv 11 Universal Air Filter By Tier1 (6-Pack)

    Price $127.99 List Price Price $182.99 Save 30%
    Free Shipping
  5. 20x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    20x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    Price $168.99 List Price Price $240.99 Save 29%
    Free Shipping
  6. 20x20x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)

    20x20x1 Merv 11 Universal Air Filter By Tier1 (6-Pack)

    Price $65.99 List Price Price $93.99 Save 29%
    Free Shipping
  7. 20x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    20x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    Price $55.99 List Price Price $79.99 Save 30%
    Free Shipping
  8. Tier1 600 Air Filter - 20x25x4 (6-Pack)

    20x25x4 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    Price $104.99 List Price Price $149.99 Save 30%
    Free Shipping
  9. 16x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    16x25x4 Merv 13 Universal Air Filter By Tier1 (6-Pack)

    Price $168.99 List Price Price $240.99 Save 29%
    Free Shipping
  10. 16x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    16x20x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    Price $54.99 List Price Price $78.99 Save 30%
    Free Shipping
  11. Tier1 600 Air Filter - 16x25x4 (6-Pack)

    16x25x4 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    Price $98.99 List Price Price $140.99 Save 29%
    Free Shipping
  12. 20x25x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    20x25x1 Merv 8 Universal Air Filter By Tier1 (6-Pack)

    Price $62.99 List Price Price $89.99 Save 30%
    Free Shipping

424 Products found

Set Descending Direction
Page
View as Grid List
Shop By
Shopping Options
Brand
  1. Honeywell 1 item
  2. Tier1 422 item
Primary Filter Media
  1. Pleated Fabric 422 item
Price
  1. $0.00 - $99.99 360 item
  2. $100.00 - $199.99 58 item
  3. $200.00 and above 6 item
Advertised Size (in)
  1. 27 x 24 x 5 1 item
  2. 10 x 10 x 1 2 item
  3. 10 x 14 x 1 2 item
  4. 10 x 16 x 1 2 item
  5. 10 x 18 x 1 1 item
  6. 10 x 20 x 1 2 item
  7. 10 x 20 x 2 1 item
  8. 10 x 24 x 1 2 item
  9. 12 x 12 x 1 2 item
  10. 12 x 12 x 2 2 item
  11. 12 x 16 x 1 1 item
  12. 12 x 16 x 4 1 item
  13. 12 x 18 x 1 1 item
  14. 12 x 20 x 1 2 item
  15. 12 x 20 x 4 2 item
  16. 12 x 24 x 1 2 item
  17. 12 x 24 x 4 1 item
  18. 12 x 30 x 1 1 item
  19. 12 x 36 x 1 2 item
  20. 13 x 21-1/2 x 1 2 item
  21. 14 x 14 x 1 2 item
  22. 14 x 16 x 1 1 item
  23. 14 x 18 x 1 2 item
  24. 14 x 20 x 1 2 item
  25. 14 x 20 x 2 1 item
  26. 14 x 20 x 4 2 item
  27. 14 x 22 x 1 2 item
  28. 14 x 24 x 1 1 item
  29. 14 x 25 x 1 2 item
  30. 14 x 25 x 2 1 item
  31. 14 x 25 x 4 2 item
  32. 14 x 30 x 1 2 item
  33. 14 x 36 x 1 2 item
  34. 15 x 20 x 1 1 item
  35. 16 x 16 x 1 2 item
  36. 16 x 16 x 2 1 item
  37. 16 x 18 x 1 2 item
  38. 16 x 18 x 4 1 item
  39. 16 x 20 x 1 2 item
  40. 16 x 20 x 2 2 item
  41. 16 x 20 x 4 3 item
  42. 16 x 20 x 4-1/4 14 item
  43. 16 x 20 x 5 6 item
  44. 16 x 21 x 1 1 item
  45. 16 x 21 x 5 11 item
  46. 16 x 22 x 1 2 item
  47. 16 x 22 x 2 1 item
  48. 16 x 22 x 4 2 item
  49. 16 x 24 x 1 2 item
  50. 16 x 24 x 2 1 item
  51. 16 x 24 x 4 2 item
  52. 16 x 25 x 1 1 item
  53. 16 x 25 x 2 1 item
  54. 16 x 25 x 4 3 item
  55. 16 x 25 x 5 49 item
  56. 16 x 26 x 5 15 item
  57. 16 x 28 x 6 8 item
  58. 16 x 30 x 1 2 item
  59. 16 x 30 x 2 1 item
  60. 16 x 36 x 1 2 item
  61. 16-1/2 x 21-1/2 x 1 1 item
  62. 16-1/2 x 21-5/8 x 1 1 item
  63. 16-3/8 x 21-1/2 x 1 2 item
  64. 17 x 22 x 1 2 item
  65. 17 1/5 x 26 2/10 x 5 1 item
  66. 17-1/2 x 27 x 5 2 item
  67. 18 x 18 x 1 2 item
  68. 18 x 18 x 2 1 item
  69. 18 x 20 x 1 1 item
  70. 18 x 20 x 2 1 item
  71. 18 x 22 x 1 2 item
  72. 18 x 24 x 1 1 item
  73. 18 x 24 x 2 1 item
  74. 18 x 24 x 4 1 item
  75. 18 x 25 x 1 1 item
  76. 18 x 30 x 1 1 item
  77. 18 x 36 x 1 1 item
  78. 18 x 36 x 4 1 item
  79. 19 x 20 x 4-1/4 18 item
  80. 20 x 20 x 1 2 item
  81. 20 x 20 x 2 1 item
  82. 20 x 20 x 4 3 item
  83. 20 x 20 x 5 36 item
  84. 20 x 21 x 1 1 item
  85. 20 x 21 x 4 2 item
  86. 20 x 21 x 5 10 item
  87. 20 x 21-1/2 x 1 1 item
  88. 20 x 22 x 1 1 item
  89. 20 x 22 x 4 2 item
  90. 20 x 22-1/4 x 1 1 item
  91. 20 x 23 x 1 2 item
  92. 20 x 23 x 4 2 item
  93. 20 x 24 x 1 2 item
  94. 20 x 24 x 2 1 item
  95. 20 x 24 x 4 3 item
  96. 20 x 25 x 1 2 item
  97. 20 x 25 x 2 1 item
  98. 20 x 25 x 4 4 item
  99. 20 x 25 x 5 56 item
  100. 20 x 25 x 6 9 item
  101. 20 x 25-1/4 x 3-1/2 2 item
  102. 20 x 26 x 5 12 item
  103. 20 x 30 x 1 2 item
  104. 20 x 30 x 4 3 item
  105. 20 x 32 x 1 1 item
  106. 21 x 21 x 1 2 item
  107. 21 x 23 x 1 2 item
  108. 21 x 23-1/2 x 5 3 item
  109. 21 x 26 x 5 3 item
  110. 21 x 27 x 5 3 item
  111. 21-1/2 x 21-1/2 x 1 1 item
  112. 21-1/2 x 23-1/2 x 1 1 item
  113. 22 x 22 x 1 2 item
  114. 22 x 24 x 1 3 item
  115. 22 x 24 x 4 2 item
  116. 24 x 24 x 1 2 item
  117. 24 x 24 x 2 1 item
  118. 24 x 24 x 4 3 item
  119. 24 x 25 x 4 2 item
  120. 24 x 30 x 1 1 item
  121. 24 x 30 x 4 1 item
MERV Rating
  1. MERV:8 169 item
  2. MERV:11 151 item
  3. MERV:13 103 item
Filter Life (months)
  1. 3 months 164 item
  2. 6 months 259 item
  3. 18 months 163 item