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.

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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 | |
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Compare
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Tier1 brand replacement for White-Rodgers FR1000M-100 - 16 x 20 x 4 - MERV 8 (2-Pack)
$35.89MSRP: $41.58 Save 14% -
Tier1 brand replacement for White-Rodgers FR1000M-100 - 16 x 20 x 4 - MERV 11 (2-Pack)
$37.09MSRP: $42.87 Save 13%
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Tier1 brand replacement for White-Rodgers FR1000M-100 - 16 x 20 x 4 - MERV 13 (2-Pack)
$42.39MSRP: $48.67 Save 13% -
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Tier1 brand replacement for White-Rodgers FR1000-100 - 16 x 21 x 5 - MERV 8 (2-Pack)
$57.69MSRP: $65.40 Save 12%
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Tier1 brand replacement for Comfort Plus - 16 x 21 x 5 - MERV 8 (2-Pack)
$54.87MSRP: $65.40 Save 16% -
Tier1 brand replacement for Electro Air - 16 x 21 x 5 - MERV 8 (2-Pack)
$54.87MSRP: $65.40 Save 16% -
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Tier1 brand replacement for White-Rodgers FR1000-100 - 16 x 21 x 5 - MERV 11 (2-Pack)
$60.47MSRP: $71.84 Save 16% -
Tier1 brand replacement for Comfort Plus - 16 x 21 x 5 - MERV 11 (2-Pack)
$60.47MSRP: $71.84 Save 16% -
Tier1 brand replacement for Electro Air - 16 x 21 x 5 - MERV 11 (2-Pack)
$60.47MSRP: $71.84 Save 16%
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Tier1 brand replacement for White-Rodgers FR1000-100 - 16 x 21 x 5 - MERV 13 (2-Pack)
$70.55MSRP: $83.43 Save 15% -
Tier1 brand replacement for Comfort Plus - 16 x 21 x 5 - MERV 13 (2-Pack)
$70.55MSRP: $83.43 Save 15%
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Tier1 brand replacement for Electro Air - 16 x 21 x 5 - MERV 13 (2-Pack)
$70.55MSRP: $83.43 Save 15% -
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Tier1 brand replacement for White-Rodgers FR1400M-100 - 16 x 25 x 4 - MERV 8 (2-Pack)
$39.99MSRP: $46.08 Save 13% -
Tier1 brand replacement for White-Rodgers FR1400M-100 - 16 x 25 x 4 - MERV 11 (2-Pack)
$42.39MSRP: $48.66 Save 13% -
Tier1 brand replacement for White-Rodgers FR1400M-100 - 16 x 25 x 4 - MERV 13 (2-Pack)
$42.39MSRP: $47.99 Save 12%
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Tier1 brand replacement for White-Rodgers F825-0548 & FR1400-100 - 16 x 26 x 5 - MERV 8 (2-Pack)
$55.29MSRP: $62.84 Save 12% -
Tier1 brand replacement for Comfort Plus - 16 x 26 x 5 - MERV 8 (2-Pack)
$52.64MSRP: $62.84 Save 16%
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Tier1 brand replacement for Electro Air - 16 x 26 x 5 - MERV 8 (2-Pack)
$52.64MSRP: $62.84 Save 16% -
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Tier1 brand replacement for Lennox X0584 - 16 x 26 x 5 - MERV 8 (2-Pack)
$56.49MSRP: $64.08 Save 12%
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Tier1 brand replacement for White-Rodgers F825-0548 & FR1400-100 - 16 x 26 x 5 - MERV 11 (2-Pack)
$53.72MSRP: $64.08 Save 16% -
Tier1 brand replacement for Comfort Plus - 16 x 26 x 5 - MERV 11 (2-Pack)
$56.49MSRP: $64.08 Save 12% -
Tier1 brand replacement for Electro Air - 16 x 26 x 5 - MERV 11 (2-Pack)
$56.49MSRP: $64.08 Save 12%
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Tier1 brand replacement for Lennox X0584 - 16 x 26 x 5 - MERV 11 (2-Pack)
$65.89MSRP: $74.38 Save 11% -
Tier1 brand replacement for White-Rodgers F825-0548 & FR1400-100 - 16 x 26 x 5 - MERV 13 (2-Pack)
$68.19MSRP: $76.96 Save 11%
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Tier1 brand replacement for Comfort Plus - 16 x 26 x 5 - MERV 13 (2-Pack)
$64.92MSRP: $76.96 Save 16% -
Tier1 brand replacement for Electro Air - 16 x 26 x 5 - MERV 13 (2-Pack)
$64.92MSRP: $76.96 Save 16% -
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Tier1 brand replacement for Lennox X0584 - 16 x 26 x 5 - MERV 13 (2-Pack)
$72.89MSRP: $82.11 Save 11% -
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Tier1 brand replacement for White-Rodgers FR1600M-100 - 20 x 20 x 4 - MERV 8 (2-Pack)
$35.83MSRP: $43.50 Save 18% -
Tier1 brand replacement for White-Rodgers FR1600M-100 - 20 x 20 x 4 - MERV 11 (2-Pack)
$39.99MSRP: $46.08 Save 13% -
Tier1 brand replacement for White-Rodgers FR1600M-100 - 20 x 20 x 4 - MERV 13 (2-Pack)
$42.39MSRP: $48.67 Save 13%