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18x20x1 Air Filters in Furnace Air Filters(16)
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
44.5 out of 5 Stars. 4 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
34.7 out of 5 Stars. 3 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
Best seller
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
6524.5 out of 5 Stars. 652 reviews
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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
1424.7 out of 5 Stars. 142 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
5374.7 out of 5 Stars. 537 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 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
44.5 out of 5 Stars. 4 reviews
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Rollback Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack $46.88 Was $56.86 $11.72/ea
Rollback
Now$4688
current price Now $46.88, Was $56.86$56.86
$11.72/ea
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack
404.7 out of 5 Stars. 40 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
$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
34.7 out of 5 Stars. 3 reviews
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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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Filtrete Allergen Defense Air Filter - Electrostatic, 3 Months - Single Pack, 18x20x1 $30.89
$3089
current price $30.89Filtrete Allergen Defense Air Filter - Electrostatic, 3 Months - Single Pack, 18x20x1
15 out of 5 Stars. 1 reviews
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Filtrete 18x20x1 Air Filter MPR 1000 MERV 11, Allergen Defense, 6-Pack exact dimensions 17.81x19.81x0.81 $89.01
$8901
current price $89.01Filtrete 18x20x1 Air Filter MPR 1000 MERV 11, Allergen Defense, 6-Pack exact dimensions 17.81x19.81x0.81
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Filtrete 16x30x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 4 Filters $56.86
$5686
current price $56.86Filtrete 16x30x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 4 Filters
5214.8 out of 5 Stars. 521 reviews
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Only 1 left
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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Filtrete 1600 MPR Ultra Allergen 2X Bacteria and Virus Filter, 18x20x1, 4 Pack $76.28
$7628
current price $76.28Filtrete 1600 MPR Ultra Allergen 2X Bacteria and Virus Filter, 18x20x1, 4 Pack
14514.8 out of 5 Stars. 1451 reviews
Free shipping, arrives in 3+ days
Filtrete 18x20x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 New Filter $18.47
2 options
Available in additional 2 options$1847
current price $18.47Options from $18.47 – $36.94
Filtrete 18x20x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 New Filter
5844.8 out of 5 Stars. 584 reviews
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