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

(MERV 8)

Tier 1 MERV 8 Pleated Filter

(MERV 11)

Tier 1 MERV 11 Pleated Filter

(MERV 13)

Tier 1 MERV 13 Pleated Filter


MERV Rating




Life 3 months 3 months 3 months
Material Pleated Pleated Pleated
Dust checkmark checkmark checkmark
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Dust Mite Debris checkmark checkmark checkmark
Tobacco Smoke   checkmark checkmark
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Smog   checkmark checkmark
Bacteria     checkmark
Viruses     checkmark

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