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18x20x1 Air Filters in Furnace Air Filters(13)
Uses item details. Price when purchased online
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 2 Pack $22.85 $11.43/ca
Sponsored
$2285
current price $22.85$11.43/ca
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 2 Pack
34.3 out of 5 Stars. 3 reviews
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Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack $59.99 $10.00/ca
Sponsored
$5999
current price $59.99$10.00/ca
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
24.5 out of 5 Stars. 2 reviews
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Free shipping, arrives Sun, Feb 1
Best seller Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter $18.47
Best seller
$1847
current price $18.47Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
1334.7 out of 5 Stars. 133 reviews
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Best seller Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters $19.88 $9.94/ea
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3 options
Available in additional 3 options$1988
current price $19.88$9.94/ea
Options from $11.88
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters
6314.5 out of 5 Stars. 631 reviews
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Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $17.57
$1757
current price $17.57Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5324.7 out of 5 Stars. 532 reviews
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Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack $43.98 $11.00/ea
$4398
current price $43.98$11.00/ea
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
5354.7 out of 5 Stars. 535 reviews
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Free shipping, arrives Sun, Feb 1
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 2 Pack $22.85 $11.43/ca
$2285
current price $22.85$11.43/ca
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 2 Pack
34.3 out of 5 Stars. 3 reviews
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Shipping arrives Sun, Feb 1
Best seller (4 pack) Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter $73.88 $18.47/ea
Best seller
$7388
current price $73.88$18.47/ea
(4 pack) Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
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Allergen Defense Red Micro Pleated Air Filter, 3 Months, Single Pack, 18x20x1-In. $30.89
$3089
current price $30.89Allergen Defense Red Micro Pleated Air Filter, 3 Months, Single Pack, 18x20x1-In.
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Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack $59.99 $10.00/ca
$5999
current price $59.99$10.00/ca
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
24.5 out of 5 Stars. 2 reviews
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Free shipping, arrives Sun, Feb 1
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack $60.34 $10.06/ea
$6034
current price $60.34$10.06/ea
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 6 Pack
5364.7 out of 5 Stars. 536 reviews
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Free shipping, arrives Sun, Feb 1
Filtrete 18x20x1 Air Filter MPR 1000 MERV 11, Allergen Defense, 6-Pack exact dimensions 17.81x19.81x0.81
Filtrete 18x20x1 Air Filter MPR 1000 MERV 11, Allergen Defense, 6-Pack exact dimensions 17.81x19.81x0.81
Filtrete 14x24x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 4 Filters $74.95
$7495
current price $74.95Filtrete 14x24x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 4 Filters
5574.8 out of 5 Stars. 557 reviews
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