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Shop All Furnace Air Filters20x20x1 Air Filters20x25x1 Air Filters16x20x1 Air Filters16x25x1 Air Filters12x12x1 Air Filters12x24x1 Air Filters14x20x1 Air Filters14x24x1 Air Filters14x25x1 Air Filters18x20x1 Air Filters20x30x1 Air Filters24x24x1 Air FiltersAllergen Air FiltersFiltrete Air FiltersFilterBuy Air FIltersFlanders Air FIltersMERV Rating: 5 to 8MERV Rating: 9 to 12MERV Rating: 13 to 16
MERV Rating: 5 to 8 in Furnace Air Filters(1000+)
Uses item details. Price when purchased online
Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $32.97
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$3297
current price $32.97Options from $19.99
Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
35 out of 5 Stars. 3 reviews
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Simply Filters 14x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $38.99
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$3899
current price $38.99Options from $23.94
Simply Filters 14x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
114.7 out of 5 Stars. 11 reviews
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Aerostar 16x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 4 Pack $28.75 $7.19/count
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$2875
current price $28.75$7.19/count
Aerostar 16x20x1 MERV 8 Pleated Air Filter, AC Furnace Air Filter, 4 Pack
1494.5 out of 5 Stars. 149 reviews
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Simply Filters 14x14x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $34.97
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$3497
current price $34.97Options from $21.54
Simply Filters 14x14x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
5684.7 out of 5 Stars. 568 reviews
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Best seller Filtrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
Best seller
$564
current price $5.64Filtrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
3614.4 out of 5 Stars. 361 reviews
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Filtrete 16x25x1 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 16x25x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
1394.6 out of 5 Stars. 139 reviews
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Best seller Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters $19.52
Best seller
$1952
current price $19.52Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
6184.5 out of 5 Stars. 618 reviews
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Great Value, 12x12x1, MERV 8 GOOD HVAC Air and Furnace Filter, Captures Dust, 2 Filters $8.44
$844
current price $8.44Great Value, 12x12x1, MERV 8 GOOD HVAC Air and Furnace Filter, Captures Dust, 2 Filters
184.9 out of 5 Stars. 18 reviews
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100+ bought since yesterday Filtrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
100+ bought since yesterday
$564
current price $5.64Filtrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
3184.6 out of 5 Stars. 318 reviews
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Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters $19.75 $4.94/ea
$1975
current price $19.75$4.94/ea
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
514.8 out of 5 Stars. 51 reviews
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Simply Filters 10x10x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $34.97
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$3497
current price $34.97Options from $19.97
Simply Filters 10x10x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
84.5 out of 5 Stars. 8 reviews
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Simply Filters 20x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $39.97
Sponsored
$3997
current price $39.97Options from $26.97
Simply Filters 20x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
144.6 out of 5 Stars. 14 reviews
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500+ bought since yesterday Filtrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
500+ bought since yesterday
$564
current price $5.64Filtrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
18194.6 out of 5 Stars. 1819 reviews
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Overall pick Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
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$564
current price $5.64Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
24744.6 out of 5 Stars. 2474 reviews
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16x20x1 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:15.5x19.75x0.82Inch) $36.99
5 sizes
Available in additional 5 sizes$3699
current price $36.99Options from $35.99
16x20x1 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:15.5x19.75x0.82Inch)
64.2 out of 5 Stars. 6 reviews
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Free shipping, arrives Wed, Feb 18
Cobectal HEPA Air Filter for Home Air Purifier, HY1800 and ZQ Series $13.99
2 sizes
Available in additional 2 sizes$1399
current price $13.99Options from $13.99 – $29.99
Cobectal HEPA Air Filter for Home Air Purifier, HY1800 and ZQ Series
124.2 out of 5 Stars. 12 reviews
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Honeywell Air Purifier Replacement Filter, HRFK2, K Pre Carbon Filter, 2 Pack $13.75 Was $22.99 $6.88/count
Now$1375
current price Now $13.75, Was $22.99$22.99
$6.88/count
Honeywell Air Purifier Replacement Filter, HRFK2, K Pre Carbon Filter, 2 Pack
914.7 out of 5 Stars. 91 reviews
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Honeywell Air Purifier Replacement Filter, HRF-AP1, A Pre Filter, 1 Pack $19.47
$1947
current price $19.47Honeywell Air Purifier Replacement Filter, HRF-AP1, A Pre Filter, 1 Pack
2924.5 out of 5 Stars. 292 reviews
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Filtrete 12x20x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters $19.52 $4.88/ea
$1952
current price $19.52$4.88/ea
Filtrete 12x20x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
364.8 out of 5 Stars. 36 reviews
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100+ bought since yesterday Filtrete 18x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
100+ bought since yesterday
$564
current price $5.64Filtrete 18x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
3744.6 out of 5 Stars. 374 reviews
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Simply Filters 18x18x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $39.97
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$3997
current price $39.97Options from $24.60
Simply Filters 18x18x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
54.8 out of 5 Stars. 5 reviews
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Simply Filters 20x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $34.97
Sponsored
$3497
current price $34.97Options from $24.97
Simply Filters 20x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
5694.7 out of 5 Stars. 569 reviews
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12x24x1 Air Filter 4 Pack, MERV 8 Pleated Dust Defense Air Filters Replacement Air Conditioner HVAC AC Furnace Filter, Durable and Lightweight $26.99 Was $29.99
Now$2699
current price Now $26.99, Was $29.99$29.99
12x24x1 Air Filter 4 Pack, MERV 8 Pleated Dust Defense Air Filters Replacement Air Conditioner HVAC AC Furnace Filter, Durable and Lightweight
34 out of 5 Stars. 3 reviews
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Filterbuy 18x20x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack) $31.46 Was $45.45
Now$3146
current price Now $31.46, Was $45.45$45.45
Filterbuy 18x20x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
2414.8 out of 5 Stars. 241 reviews
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Filterbuy 16x25x4 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack) $44.98 $22.49/count
$4498
current price $44.98$22.49/count
Filterbuy 16x25x4 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)
5174.7 out of 5 Stars. 517 reviews
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Bionaire True HEPA 360 Replacement Filter for Air Purifier, 1 Count, 612 Month Life $30.00
$3000
current price $30.00Bionaire True HEPA 360 Replacement Filter for Air Purifier, 1 Count, 612 Month Life
214.5 out of 5 Stars. 21 reviews
Free shipping, arrives in 3+ days
Simply Filters 14x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $38.99
6 options
Available in additional 6 options$3899
current price $38.99Options from $23.94
Simply Filters 14x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
114.7 out of 5 Stars. 11 reviews
Free shipping, arrives in 3+ days
Filterbuy 20x30x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (6-Pack) $49.98 $8.33/count
$4998
current price $49.98$8.33/count
Filterbuy 20x30x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (6-Pack)
1774.7 out of 5 Stars. 177 reviews
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VEVOR Electrostatic Air Filter, 20x25x1 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.75 x 24.65 x 0.82 in) $28.90
$2890
current price $28.90VEVOR Electrostatic Air Filter, 20x25x1 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.75 x 24.65 x 0.82 in)
74.4 out of 5 Stars. 7 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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Filters Fast Compatible Replacement for Aprilaire SpaceGard 2200 HVAC AC Air Filter MERV 8, 2 Pack $62.95
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$6295
current price $62.95Filters Fast Compatible Replacement for Aprilaire SpaceGard 2200 HVAC AC Air Filter MERV 8, 2 Pack
54.8 out of 5 Stars. 5 reviews
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Simply Filters 20x23x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack) $35.97
Sponsored
$3597
current price $35.97Options from $35.97 – $132.97
Simply Filters 20x23x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
124.9 out of 5 Stars. 12 reviews
Free shipping, arrives in 3+ days
50+ bought since yesterday Filtrete 18x18x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
50+ bought since yesterday
$564
current price $5.64Filtrete 18x18x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
2794.4 out of 5 Stars. 279 reviews
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Filterbuy 20x23x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack) $44.96 Was $49.96 $11.24/count
Now$4496
current price Now $44.96, Was $49.96$49.96
$11.24/count
Filterbuy 20x23x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
2254.9 out of 5 Stars. 225 reviews
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HDX Dust and Pollen Medium Efficiency Pleated Air Filter, 20 x 30 x 1 - New $12.00
$1200
current price $12.00HDX Dust and Pollen Medium Efficiency Pleated Air Filter, 20 x 30 x 1 - New
244.4 out of 5 Stars. 24 reviews
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Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack $53.99 $9.00/ca
$5399
current price $53.99$9.00/ca
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
1294.7 out of 5 Stars. 129 reviews
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Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $32.97
6 options
Available in additional 6 options$3297
current price $32.97Options from $19.99
Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
35 out of 5 Stars. 3 reviews
Free shipping, arrives in 3+ days
Filterbuy 20x25x5 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters for Honeywell FC100A1037, Lennox X6673, Carrier, & More (2-Pack) $49.98 $24.99/count
$4998
current price $49.98$24.99/count
Filterbuy 20x25x5 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters for Honeywell FC100A1037, Lennox X6673, Carrier, & More (2-Pack)
2144.6 out of 5 Stars. 214 reviews
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Filtrete 14x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
$564
current price $5.64Filtrete 14x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
5674.5 out of 5 Stars. 567 reviews
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Biodefensor Washable Reusable AC Furnace Filter, MERV 6, 20x30x1 Cut to Fit $24.95 Was $29.95
Now$2495
current price Now $24.95, Was $29.95$29.95
Biodefensor Washable Reusable AC Furnace Filter, MERV 6, 20x30x1 Cut to Fit
584.7 out of 5 Stars. 58 reviews
Free shipping, arrives in 3+ days
VEVOR Electrostatic Air Filter, 16x20x1 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, Home or Office (Actual Size: 15.5 x 19.75 x 0.82 in) $23.99
$2399
current price $23.99VEVOR Electrostatic Air Filter, 16x20x1 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, Home or Office (Actual Size: 15.5 x 19.75 x 0.82 in)
54.4 out of 5 Stars. 5 reviews
Free shipping, arrives in 3+ days
Air Purifier Replacement Filter,H13 True HEPA Air Filter for A2 Air Purifier,2pcs $34.99 Was $39.89
2 sizes
Available in additional 2 sizesNow$3499
current price Now $34.99, Was $39.89$39.89
Options from $34.99 – $59.99
Air Purifier Replacement Filter,H13 True HEPA Air Filter for A2 Air Purifier,2pcs
684.5 out of 5 Stars. 68 reviews
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Premium Reusable Air Filter 2 Pack 16x20x1 - Made in USA - Cut to Fit Washable AC & Furnace Filter for HVAC Systems - Durable, Cost-Effective Replacement Filter $23.50
$2350
current price $23.50Premium Reusable Air Filter 2 Pack 16x20x1 - Made in USA - Cut to Fit Washable AC & Furnace Filter for HVAC Systems - Durable, Cost-Effective Replacement Filter
45 out of 5 Stars. 4 reviews
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Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters $23.38 $5.85/ea
$2338
current price $23.38$5.85/ea
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
6434.6 out of 5 Stars. 643 reviews
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Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters $16.43 Was $18.42
Now$1643
current price Now $16.43, Was $18.42$18.42
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
4294.6 out of 5 Stars. 429 reviews
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Filtrete 20x22x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
$564
current price $5.64Filtrete 20x22x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
1204.3 out of 5 Stars. 120 reviews
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Filterbuy 24x24x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack) $35.96 Was $39.96 $8.99/count
Now$3596
current price Now $35.96, Was $39.96$39.96
$8.99/count
Filterbuy 24x24x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
2104.7 out of 5 Stars. 210 reviews
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Filtrete 18x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
$564
current price $5.64Filtrete 18x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
824.1 out of 5 Stars. 82 reviews
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Mann+Hummel 20x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 19.5 x 3.75 Inches) $39.95
$3995
current price $39.95Mann+Hummel 20x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 19.5 x 19.5 x 3.75 Inches)
25 out of 5 Stars. 2 reviews
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Filtrete 20x30x1 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 20x30x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
1254.5 out of 5 Stars. 125 reviews
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