Discount Water Filters and Air Filters at Discount Filter Store.com

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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.
Tier1 Air Filter Selection Guide

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
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Items 76 to 100 of 1570 total

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  1. DPFI20X26X5DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 20 x 26 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  2. DPFI20X26X5DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Emerson - 20 x 26 x 5 - MERV 8 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  3. DPFI20X26X5DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0587 - 20 x 26 x 5 - MERV 8 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC20-CE Learn More
  4. DPFI20X26X5M11 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  5. DPFI20X26X5M11DCM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  6. DPFI20X26X5M11DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  7. DPFI20X26X5M11DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Emerson - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  8. DPFI20X26X5M11DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0587 - 20 x 26 x 5 - MERV 11 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC20-CE Learn More
  9. DPFI20X26X5M13 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  10. DPFI20X26X5M13DCM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 20 x 26 x 5 - MERV 13 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  11. DPFI20X26X5M13DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 20 x 26 x 5 - MERV 13 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  12. DPFI20X26X5M13DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Emerson - 20 x 26 x 5 - MERV 13 (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  13. DPFI20X26X5M13DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Lennox X0587 - 20 x 26 x 5 - MERV 13 (2-Pack)

    Fits Lennox Healthy Climate model number BMAC20-CE Learn More
  14. DPFI20X26X5OB Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  15. DPFI20X26X5OBDCM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Comfort Plus - 20 x 26 x 5 - Carbon Filter Upgrade (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  16. DPFI20X26X5OBDEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Electro Air - 20 x 26 x 5 - Carbon Filter Upgrade (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  17. DPFI20X26X5OBDEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)

    Tier1 brand replacement for Emerson - 20 x 26 x 5 - Carbon Filter Upgrade (2-Pack)

    Fits White-Rodgers air cleaner models ACB2000 and ACM2000 Learn More
  18. DPFI20X26X5OBDLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  19. DPFL16X26X5 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  20. DPFL16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  21. DPFL16X26X5M13 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  22. DPFL16X26X5OB Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  23. DPFL20X21X5 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Lennox X8790 - 20 x 21 x5 - MERV 8 (2-Pack)

    Fits Lennox Pure Air model number PCO14-23 Learn More
  24. DPFL20X21X5M11 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Lennox X8790 - 20 x 21 x5 - MERV 11 (2-Pack)

    Fits Lennox Pure Air model number PCO14-23 Learn More
  25. DPFL20X21X5M13 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)

    Tier1 brand replacement for Lennox X8790 - 20 x 21 x5 - MERV 13 (2-Pack)

    Fits Lennox Pure Air model number PCO14-23 Learn More

Items 76 to 100 of 1570 total

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