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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  • DPFT21X27X5AM11 Tier1 Replacement Air Filter - 21X27X5 (2-Pack)
  • DPFT21X27X5AM13 Tier1 Replacement Air Filter - 21X27X5 (2-Pack)
  • DPFT21X27X5AM8 Tier1 Replacement Air Filter - 21X27X5 (2-Pack)

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