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
Clear All
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Items 1 to 48 of 413 total

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  • Tier1 1500 Air Filter - 20x20x1 (6-Pack)

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

    $52.99
    MSRP: $149.99
    Save 65%
  • DPFI16X20X4M11 Tier1 Replacement Air Filter - 16X20X4 (2-Pack)
  • DPFI16X21X5M11 Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11DCM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11DEA Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X21X5M11DEM Tier1 Replacement Air Filter - 16X21X5 (2-Pack)
  • DPFI16X25X4M11 Tier1 Replacement Air Filter - 16X25X4 (2-Pack)
  • DPFI16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DCM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DEA Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DEM Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI16X26X5M11DLX Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFI20X20X4M11 Tier1 Replacement Air Filter - 20X20X4 (2-Pack)
  • DPFI20X21X5M11 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DCM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DEA Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X21X5M11DEM Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFI20X25X4M11 Tier1 Replacement Air Filter - 20X25X4 (2-Pack)
  • DPFI20X26X5M11DEA Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DEM Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFI20X26X5M11DLX Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFL16X26X5M11 Tier1 Replacement Air Filter - 16X26X5 (2-Pack)
  • DPFL20X21X5M11 Tier1 Replacement Air Filter - 20X21X5 (2-Pack)
  • DPFL20X26X5M11 Tier1 Replacement Air Filter - 20X26X5 (2-Pack)
  • DPFPC16X25X5M11 Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11D5S Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DAM Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DBP Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DBT Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DCL Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DDN Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DEA Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DFA Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DGB Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DMT Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DPN Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DTL Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC16X25X5M11DYO Tier1 Replacement Air Filter - 16X25X5 (2-Pack)
  • DPFPC20X20X5M11 Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11D5S Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DAM Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DBP Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DBT Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DCL Tier1 Replacement Air Filter - 20X20X5 (2-Pack)
  • DPFPC20X20X5M11DDN Tier1 Replacement Air Filter - 20X20X5 (2-Pack)

Items 1 to 48 of 413 total

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