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20x24x1
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20x24x1 Arm & Hammer Standard Furnace Filter (Custom Size)
MERV 8 / Case of 12
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Price $179.99
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20x24x1 Basic Furnace Filter
Case of 12
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Price $39.99
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20x24x1 Eco-Friendly Furnace Filters
MERV 8 / Case of 12

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Price $64.99
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20x24x1 MERV 11 Furnace Filters
MERV 11 / Case of 12
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Price $109.99
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20x24x1 NaturalAire Furnace Filters (Custom Size)
MERV 8 / Case of 12
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Price $99.99
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20x24x1 NaturalAire Plus Microparticle Furnace Filter (Custom Size)
MERV 10 / Case of 12
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Price $179.99
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20x24x2
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20x24x2 Eco-Friendly Furnace Filters
MERV 8 / Case of 12

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Price $64.99
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20x24x2 MERV 11 Furnace Filters
MERV 11 / Case of 12
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Price $109.99
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20x24x4
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20x24x4 Eco-Friendly Furnace Filters
MERV 8 / Case of 6

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Price $64.99
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20x24x4 MERV 11 Furnace Filters
MERV 11 / Case of 6
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Price $109.99
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20x25x1
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20x25x1 3M Filtrete Advanced Allergen Filters (6 pack)
Case of 6 - No competitor's 1" filter performs better
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Price $104.50
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20x25x1 3M Filtrete Dust & Pollen Furnace Filters
MERV 8 / Case of 12
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Price $95.88
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20x25x1 3M Filtrete Micro Allergen Filters (6 pack)
Case of 6 / 3M Performance Rating MPR 1000
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Price $68.99
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20x25x1 3M Filtrete Ultra Allergen Filters (6 pack)
Case of 6 / 3M Performance Rating MPR 1250
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Price $87.99
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20x25x1 Arm & Hammer Plus Microparticle Furnace Filter
MERV 10 / Case of 6
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Price $59.99
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20x25x1 Arm & Hammer Standard Furnace Filter
MERV 8 / Case of 6
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Price $39.99
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20x25x1 Basic Furnace Filter
Case of 12
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Price $39.99
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20x25x1 Eco-Friendly Furnace Filters
MERV 8 / Case of 12

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Price $64.99
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20x25x1 MERV 11 Furnace Filters
MERV 11 / Case of 12
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Price $109.99
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20x25x1 NaturalAire Furnace Filters
MERV 8 / Case of 6
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Price $39.99
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