20x20 Filter(400)
Uses item details. Price when purchased online
Best seller Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $26.96 Was $29.96
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Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
13334.8 out of 5 Stars. 1333 reviews
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack $34.18 $5.70/count
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$3418
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Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack
4004.6 out of 5 Stars. 400 reviews
Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $40.46 Was $44.96 $10.12/count
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Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
9594.8 out of 5 Stars. 959 reviews
Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $35.96 Was $39.96
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Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
6534.8 out of 5 Stars. 653 reviews
In 50+ people's carts Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
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Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
32674.6 out of 5 Stars. 3267 reviews
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500+ bought since yesterday AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter From $7.48
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AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter
134454.5 out of 5 Stars. 13445 reviews
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100+ bought since yesterday Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters From $11.88
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Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 2 Filters
26254.6 out of 5 Stars. 2625 reviews
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100+ bought since yesterday Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter $18.47
$1847
current price $18.47Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
11114.7 out of 5 Stars. 1111 reviews
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100+ bought since yesterday Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters $21.88 $10.94/ea
$2188
current price $21.88$10.94/ea
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
13254.6 out of 5 Stars. 1325 reviews
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Filtrete 20x20x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 New Filter $18.47
$1847
current price $18.47Filtrete 20x20x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 New Filter
11004.7 out of 5 Stars. 1100 reviews
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Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack $44.94
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current price $44.94Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack
1464.7 out of 5 Stars. 146 reviews
Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack $50.38 $8.40/count
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Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack
1344.6 out of 5 Stars. 134 reviews
50+ bought since yesterday Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filters $13.44
$1344
current price $13.44Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filters
6884.7 out of 5 Stars. 688 reviews
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20x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack $32.13
$3213
current price $32.1320x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack
2014.7 out of 5 Stars. 201 reviews
Aerostar 20x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 4 Pack $24.89 Was $29.95 $6.22/count
Now$2489
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$6.22/count
Aerostar 20x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 4 Pack
4794.5 out of 5 Stars. 479 reviews
Best seller Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $26.96 Was $29.96
Now$2696
current price Now $26.96, Was $29.96$29.96
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
13334.8 out of 5 Stars. 1333 reviews
Best seller Filterbuy 20x20x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack) $10.97 $10.97/count
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Filterbuy 20x20x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
664.4 out of 5 Stars. 66 reviews
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Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter $26.86
$2686
current price $26.86Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter
1384.4 out of 5 Stars. 138 reviews
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Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 4 Pack From $39.76
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Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 4 Pack
2524.2 out of 5 Stars. 252 reviews
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Filtrete 20x20x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack $53.99 $27.00/ea
$5399
current price $53.99$27.00/ea
Filtrete 20x20x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack
4114.6 out of 5 Stars. 411 reviews
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Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack $104.88
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current price $104.88Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack
1134.6 out of 5 Stars. 113 reviews
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack $74.88
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current price $74.88Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack
1734.9 out of 5 Stars. 173 reviews
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 2200 MERV 13, Elite Allergen Reduction, 1 Filter From $26.86
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Available in additional 2 optionsFrom$2686
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 2200 MERV 13, Elite Allergen Reduction, 1 Filter
4574.7 out of 5 Stars. 457 reviews
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Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $40.46 Was $44.96 $10.12/count
Now$4046
current price Now $40.46, Was $44.96$44.96
$10.12/count
Filterbuy 20x20x1 Air Filter MERV 13 Smoke Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
9594.8 out of 5 Stars. 959 reviews
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack $34.18 $5.70/count
$3418
current price $34.18$5.70/count
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 6-Pack
4004.6 out of 5 Stars. 400 reviews
Filterbuy 20x20x1 MERV 13 Health Defense, Pleated HVAC AC Furnace Air Filters (1-Pack) $16.97 $16.97/count
$1697
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Filterbuy 20x20x1 MERV 13 Health Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
224.2 out of 5 Stars. 22 reviews
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FILTER FBRGLS 20X20X1 $52.99
$5299
current price $52.99FILTER FBRGLS 20X20X1
20x20x1 Air Filter MERV 8 (2-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (20x20x1 2-Pack) $24.99
$2499
current price $24.9920x20x1 Air Filter MERV 8 (2-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (20x20x1 2-Pack)
15 out of 5 Stars. 1 reviews
Filtrete by 3M 20x20x1, MERV 10, Micro Particle Reduction HVAC Furnace Air Filter, 800 MPR, 3 Filters $19.88 $6.63/ea
$1988
current price $19.88$6.63/ea
Filtrete by 3M 20x20x1, MERV 10, Micro Particle Reduction HVAC Furnace Air Filter, 800 MPR, 3 Filters
1903.8 out of 5 Stars. 190 reviews
Air-Care 20x20 Electrostatic Flexible Permanent Washable HVAC Furnace Filter $44.95 Was $60.95
Now$4495
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Air-Care 20x20 Electrostatic Flexible Permanent Washable HVAC Furnace Filter
15 out of 5 Stars. 1 reviews
Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack $89.88
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current price $89.88Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 12-Pack
1034.7 out of 5 Stars. 103 reviews
FilterTime 20x20x1 Pleated Air Filter, MERV 11, Allergen Preferred HVAC Furnace Air Filter, 4-Pack, Made in USA $51.14
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$5114
current price $51.14FilterTime 20x20x1 Pleated Air Filter, MERV 11, Allergen Preferred HVAC Furnace Air Filter, 4-Pack, Made in USA
25 out of 5 Stars. 2 reviews
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Rollback Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 2 Filters $26.28 Was $29.28 $13.14/ea
Now$2628
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$13.14/ea
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 2 Filters
11504.7 out of 5 Stars. 1150 reviews
Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 3-Pack $28.98
$2898
current price $28.98Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 3-Pack
1104.7 out of 5 Stars. 110 reviews
True Blue 20" X 20" X 1" Furnace Air Filter $58.57
$5857
current price $58.57True Blue 20" X 20" X 1" Furnace Air Filter
62.3 out of 5 Stars. 6 reviews
FILTER FBRGLS 20X20X1 $47.00
$4700
current price $47.00FILTER FBRGLS 20X20X1
20x20x1 Air Filter MERV 8 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (20x20x1 4-Pack) $36.99
$3699
current price $36.9920x20x1 Air Filter MERV 8 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (20x20x1 4-Pack)
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack From $59.99
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Available in additional 2 optionsFrom$5999
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
1354.7 out of 5 Stars. 135 reviews
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Lennox X0585 - 20 x 20 x 5 MERV 11 Furnace Filter - 2 Pack $65.63
$6563
current price $65.63Lennox X0585 - 20 x 20 x 5 MERV 11 Furnace Filter - 2 Pack
134.9 out of 5 Stars. 13 reviews
BNX TruFilter 20x20x1 Air Filter MERV 8 (6-Pack) - MADE IN USA Dust & Pet Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Dust, Pet, Mold, Pollen MPR 600 700 & FPR 5 $42.99
$4299
current price $42.99BNX TruFilter 20x20x1 Air Filter MERV 8 (6-Pack) - MADE IN USA Dust & Pet Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Dust, Pet, Mold, Pollen MPR 600 700 & FPR 5
165 out of 5 Stars. 16 reviews
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20x20x1 Reusable Air Filter,MERV 8 Electrostatic Aluminum AC/HVAC Furnace Filter,Washable Permanent Air Filters for Home/Office，Easy to Install, Fresher Air(Actual Size:19.75x19.75x0.82Inch) From $35.99
5 options
Available in additional 5 optionsFrom$3599
20x20x1 Reusable Air Filter,MERV 8 Electrostatic Aluminum AC/HVAC Furnace Filter,Washable Permanent Air Filters for Home/Office，Easy to Install, Fresher Air(Actual Size:19.75x19.75x0.82Inch)
104.5 out of 5 Stars. 10 reviews
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Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $35.96 Was $39.96
Now$3596
current price Now $35.96, Was $39.96$39.96
Filterbuy 20x20x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
6534.8 out of 5 Stars. 653 reviews
AMI PARTS 20x20x1 Furnace Air Filter MERV8 (MPR 600) Dust Reduction, Pleated HVAC AC Air Filters, 4 Filters $26.99
$2699
current price $26.99AMI PARTS 20x20x1 Furnace Air Filter MERV8 (MPR 600) Dust Reduction, Pleated HVAC AC Air Filters, 4 Filters
15 out of 5 Stars. 1 reviews
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20x20x1 (19_1/2x19_1/2) Pleated MERV 7 Air Filters 24 Pack From $38.99
5 options
Available in additional 5 optionsFrom$3899
20x20x1 (19_1/2x19_1/2) Pleated MERV 7 Air Filters 24 Pack
45 out of 5 Stars. 4 reviews
Dupont Odor & Pollen Air Filter 20x20 $5.64
$564
current price $5.64Dupont Odor & Pollen Air Filter 20x20
Aerostar 20x20x1 Air Filters MERV 13, Pleated Air Filter, 20x20x1, Box of 4, Made in the $29.95 Was $42.99 $4.99/count
Now$2995
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$4.99/count
Aerostar 20x20x1 Air Filters MERV 13, Pleated Air Filter, 20x20x1, Box of 4, Made in the
1134.3 out of 5 Stars. 113 reviews
Clorox 20x20x1 Air Filter MERV 13 Virus & Bacteria Defense HVAC Furnace Filters, MPR 1900-2200 & FPR 9-10, 4 Count From $35.99
3 options
Available in additional 3 optionsFrom$3599
Clorox 20x20x1 Air Filter MERV 13 Virus & Bacteria Defense HVAC Furnace Filters, MPR 1900-2200 & FPR 9-10, 4 Count
115 out of 5 Stars. 11 reviews
Great Value; 20x20x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters
2 options
Available in additional 2 optionsGreat Value; 20x20x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters
754.8 out of 5 Stars. 75 reviews
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(1 pack) Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
(1 pack) Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
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LotFancy 20x20x1 Air Filters, MERV 8 Pleated HVAC AC Furnace Filters, 4 Packs $35.99 Was $63.99
Now$3599
current price Now $35.99, Was $63.99$63.99
LotFancy 20x20x1 Air Filters, MERV 8 Pleated HVAC AC Furnace Filters, 4 Packs
134.7 out of 5 Stars. 13 reviews
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