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  1. Tier1 Aprilaire 401 20 x 25 x 6 MERV 11 Replacement Air Filter
  2. Tier1 A201 20 x 25 x 6 MERV 11 Replacement Air Filter

    Comparable Replacement for Aprilaire A201 20 x 25 x 6 MERV 11 Air Filter by Tier1

    Fits Aprilaire/Space-Gard air cleaner models 2200 and 2250
    A comparable product may be substituted. Learn More
  3. 201 Aprilaire Comparable Replacement for 20 x 25 x 6-MERV 11 Air Filter by Tier1 (2-Pack)

    201 Aprilaire Comparable Replacement Air Filter by Tier1 (2-Pack)

    Fits air cleaner models Aprilaire/Space-Gard 2200 and 2250 Learn More
    $38.99 Retail Price:  $50.99
  4. 401 Aprilaire Comparable Replacement by Tier1 (2-Pack)

    401 Aprilaire Comparable Replacement by Tier1 (2-Pack)

    Fits air cleaner models Aprilaire/Space-Gard models requiring the A401 Learn More
    $37.99 Retail Price:  $50.99
  5. 10x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    10x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $26.69 Retail Price:  $33.99
  6. 12x12x1 3M Filtrete Micro Allergen Filter (1-Pack)

    12x12x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58
  7. 12x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    12x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $26.69 Retail Price:  $33.99
  8. 12x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    12x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99
  9. 12x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    12x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $26.99
  10. 12x36x1 3M Filtrete Micro Allergen Filter (1-Pack)

    12x36x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $31.99 Retail Price:  $39.99
  11. 14x14x1 3M Filtrete Micro Allergen Filter (1-Pack)

    14x14x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58
  12. 14x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    14x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58
  13. 14x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    14x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $21.29 Retail Price:  $27.99
  14. 14x25x1 3M Filtrete Micro Allergen Filter (1-Pack) (front)

    14x25x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58
  15. 14x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    14x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $21.29 Retail Price:  $27.99
  16. 14x36x1 3M Filtrete Micro Allergen Filter (1-Pack)

    14x36x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $46.99 Retail Price:  $57.32
  17. 15x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    15x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58
  18. 16x16x1 3M Filtrete Micro Allergen Filter (1-Pack)

    16x16x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $26.69 Retail Price:  $33.99
  19. 16x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    16x20x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $19.99 Retail Price:  $22.99
  20. 16x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    16x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $26.69 Retail Price:  $33.99
  21. 16x25x1 3M Filtrete Micro Allergen Filter (1-Pack)

    16x25x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $19.99 Retail Price:  $26.99
  22. 16x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    16x30x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $29.99
  23. 17.5x23.5x1 3M Filtrete Micro Allergen Filter (1-Pack)

    17.5x23.5x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58
  24. 18x18x1 3M Filtrete Micro Allergen Filter (1-Pack)

    18x18x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58
  25. 18x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    18x24x1 3M Filtrete Micro Allergen Filter (1-Pack)

    Fits heating / air-conditioning systems that use 1-inch replacement filters Learn More
    $24.99 Retail Price:  $31.58

Items 1 to 25 of 67 total

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