Central Heating System Filter(481)
Uses item details. Price when purchased online
Aerostar 19.875x21.5x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack From $49.96

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From$4996
Aerostar 19.875x21.5x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
374.7 out of 5 Stars. 37 reviews
Aerostar 14x20x1 MERV 8, Pleated Air Filter, 14x20x1, Box of 6, $26.65 $4.44/count

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$2665
current price $26.65$4.44/count
Aerostar 14x20x1 MERV 8, Pleated Air Filter, 14x20x1, Box of 6,
364.6 out of 5 Stars. 36 reviews
Aerostar 18x18x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $33.20 $5.53/count

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$3320
current price $33.20$5.53/count
Aerostar 18x18x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack
54.2 out of 5 Stars. 5 reviews
Aerostar 14x20x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 6 Pack $41.99 $7.00/count

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$4199
current price $41.99$7.00/count
Aerostar 14x20x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 6 Pack
254.6 out of 5 Stars. 25 reviews
Best seller Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $13.44

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Available in additional 4 optionsFrom$1344
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
21124.7 out of 5 Stars. 2112 reviews
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Best seller Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $13.44

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Available in additional 4 optionsFrom$1344
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
18614.7 out of 5 Stars. 1861 reviews
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Best seller Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47

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Available in additional 4 optionsFrom$1847
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
21494.7 out of 5 Stars. 2149 reviews
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Filtrete 14x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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Available in additional 3 optionsFrom$1188
Filtrete 14x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
6594.5 out of 5 Stars. 659 reviews
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Best seller Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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Available in additional 4 optionsFrom$1188
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
21084.6 out of 5 Stars. 2108 reviews
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Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

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Available in additional 4 optionsFrom$1188
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
20894.5 out of 5 Stars. 2089 reviews
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Aerostar 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $20.36 Was $24.99 $5.09/count

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Now$2036
current price Now $20.36, Was $24.99$24.99
$5.09/count
Aerostar 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack
314.7 out of 5 Stars. 31 reviews
Aerostar 16.375x21.5x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $45.32

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From$4532
Aerostar 16.375x21.5x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack
494.8 out of 5 Stars. 49 reviews
Aerostar 20x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack From $31.93

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Available in additional 2 optionsFrom$3193
Aerostar 20x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
694.6 out of 5 Stars. 69 reviews
AAF Flanders 4-Pack 14" x 25" x 1" Nested Fiberglass MERV 1 Air Filter From $7.48

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Available in additional 2 optionsFrom$748
AAF Flanders 4-Pack 14" x 25" x 1" Nested Fiberglass MERV 1 Air Filter
4854.4 out of 5 Stars. 485 reviews
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Best seller Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47

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Available in additional 4 optionsFrom$1847
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
19564.7 out of 5 Stars. 1956 reviews
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Deal Filterbuy 16x25x5 MERV 8 Pleated HVAC AC Furnace Air Filters for Honeywell FC100A1029, Lennox X6670, Carrier, Bryant, & More (2-Pack) $50.98

$5098
current price $50.98Filterbuy 16x25x5 MERV 8 Pleated HVAC AC Furnace Air Filters for Honeywell FC100A1029, Lennox X6670, Carrier, Bryant, & More (2-Pack)
634.5 out of 5 Stars. 63 reviews
Washable Air Filter(16" x 20" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 19.7" x 1.8") $57.31

$5731
current price $57.31Washable Air Filter(16" x 20" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 19.7" x 1.8")
Filterbuy 20x25x5 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement for Honeywell & More, 2-Pack $49.98 $10.00/in

$4998
current price $49.98$10.00/in
Filterbuy 20x25x5 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement for Honeywell & More, 2-Pack
2304.6 out of 5 Stars. 230 reviews
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter From $26.86

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Available in additional 2 optionsFrom$2686
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter
1324.6 out of 5 Stars. 132 reviews
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Aluminum Electrostatic Air Filter (12" x 24" x 1"), Washable Furnace Central AC Air Filter $36.78

$3678
current price $36.78Aluminum Electrostatic Air Filter (12" x 24" x 1"), Washable Furnace Central AC Air Filter
52.4 out of 5 Stars. 5 reviews
Aerostar 16.5x21.5x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $39.89 Was $45.54

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Now$3989
current price Now $39.89, Was $45.54$45.54
Aerostar 16.5x21.5x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
254.3 out of 5 Stars. 25 reviews
Aerostar 18x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $32.26 $5.38/count

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$3226
current price $32.26$5.38/count
Aerostar 18x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
554.7 out of 5 Stars. 55 reviews
Aerostar 20x20x1 MERV 13 Air Filter, Pleated AC Furnace HVAC, Smoke Bacteria Allergy, 4 Pack $37.99 $9.50/count

$3799
current price $37.99$9.50/count
Aerostar 20x20x1 MERV 13 Air Filter, Pleated AC Furnace HVAC, Smoke Bacteria Allergy, 4 Pack
1384.3 out of 5 Stars. 138 reviews
Aluminum Electrostatic Air Filter (18" x 24" x 1"), Washable Furnace Central AC Air Filter $39.99

$3999
current price $39.99Aluminum Electrostatic Air Filter (18" x 24" x 1"), Washable Furnace Central AC Air Filter
64.7 out of 5 Stars. 6 reviews
Filterbuy 20x25x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack) $10.97 $10.97/in

$1097
current price $10.97$10.97/in
Filterbuy 20x25x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
7314.8 out of 5 Stars. 731 reviews
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Aerostar 14x20x1 MERV 8, Pleated Air Filter, 14x20x1, Box of 6, $26.65 $4.44/count

$2665
current price $26.65$4.44/count
Aerostar 14x20x1 MERV 8, Pleated Air Filter, 14x20x1, Box of 6,
364.6 out of 5 Stars. 36 reviews
Washable Air Filter(12" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 11.7" x 23.7" x 1.8") $59.00

$5900
current price $59.00Washable Air Filter(12" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 11.7" x 23.7" x 1.8")
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.44

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Available in additional 4 optionsFrom$1344
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5404.7 out of 5 Stars. 540 reviews
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Aluminum Electrostatic Air Filter (14" x 20" x 1"), Washable Furnace Central AC Air Filter $34.87

$3487
current price $34.87Aluminum Electrostatic Air Filter (14" x 20" x 1"), Washable Furnace Central AC Air Filter
85 out of 5 Stars. 8 reviews
Filtrete 20x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.44

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Available in additional 4 optionsFrom$1344
Filtrete 20x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5724.7 out of 5 Stars. 572 reviews
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Aerostar 18x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $28.18 $7.05/count

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$2818
current price $28.18$7.05/count
Aerostar 18x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack
75 out of 5 Stars. 7 reviews
Deal Clorox 18x20x1 Air Filter MERV 13 Virus & Bacteria Defense HVAC Furnace Filters, MPR 1900-2200 & FPR 9-10, 4 Count From $32.39

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From$3239
Clorox 18x20x1 Air Filter MERV 13 Virus & Bacteria Defense HVAC Furnace Filters, MPR 1900-2200 & FPR 9-10, 4 Count
54.8 out of 5 Stars. 5 reviews
Filtrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter

3 options
Available in additional 3 optionsFiltrete 20x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
24864.6 out of 5 Stars. 2486 reviews
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Simply Filters 19x30x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (2 Pack) From $43.19

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Available in additional 6 optionsFrom$4319
Simply Filters 19x30x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (2 Pack)
25 out of 5 Stars. 2 reviews
16x25x1 Washable Air Filter, MERV 8 Rated, Electrostatic Aluminum Mesh for HVAC Systems $25.10 Was $29.98

Now$2510
current price Now $25.10, Was $29.98$29.98
16x25x1 Washable Air Filter, MERV 8 Rated, Electrostatic Aluminum Mesh for HVAC Systems
11 out of 5 Stars. 1 reviews
Washable Air Filter(20" x 20" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 19.7" x 19.7" x 1.8") $72.00

$7200
current price $72.00Washable Air Filter(20" x 20" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 19.7" x 19.7" x 1.8")
Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

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Available in additional 3 optionsFrom$564
Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
36954.6 out of 5 Stars. 3695 reviews
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Washable Air Filter(14" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 23.7" x 1.8") $68.86

$6886
current price $68.86Washable Air Filter(14" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 23.7" x 1.8")
Washable Air Filter(20" x 30" x 2" MERV 5), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 19.7" x 29.7" x 1.8") $89.44

$8944
current price $89.44Washable Air Filter(20" x 30" x 2" MERV 5), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 19.7" x 29.7" x 1.8")
Washable Air Filter(20" x 25" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 19.7" x 24.7" x 1.8") $79.00

$7900
current price $79.00Washable Air Filter(20" x 25" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 19.7" x 24.7" x 1.8")
(4 pack) Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter $73.88 $18.47/ea

$7388
current price $73.88$18.47/ea
(4 pack) Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
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Simply Filters 11.5x23.5x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack) From $25.99

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Available in additional 6 optionsFrom$2599
Simply Filters 11.5x23.5x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
Washable Air Filter(14" x 25" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 24.7" x 1.8") $66.00

$6600
current price $66.00Washable Air Filter(14" x 25" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 24.7" x 1.8")
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter From $26.86

2 options
Available in additional 2 optionsFrom$2686
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter
1894.5 out of 5 Stars. 189 reviews
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Washable Air Filter(16" x 16" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 15.7" x 1.8") $66.13

$6613
current price $66.13Washable Air Filter(16" x 16" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 15.7" x 1.8")
Washable Air Filter(16" x 25" x 2" MERV 5), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 24.7" x 1.8") $73.06

$7306
current price $73.06Washable Air Filter(16" x 25" x 2" MERV 5), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 24.7" x 1.8")
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria and Virus, 2 Pack From $20.99

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Available in additional 4 optionsFrom$2099
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria and Virus, 2 Pack
6874.8 out of 5 Stars. 687 reviews
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Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack From $52.92

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Available in additional 2 optionsFrom$5292
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
1594.7 out of 5 Stars. 159 reviews
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Aerostar 20x25x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $35.06 $8.77/count

$3506
current price $35.06$8.77/count
Aerostar 20x25x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack
464.5 out of 5 Stars. 46 reviews
Washable Air Filter(18" x 24" x 2" MERV 5), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 17.7" x 23.7" x 1.8") $81.67

$8167
current price $81.67Washable Air Filter(18" x 24" x 2" MERV 5), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 17.7" x 23.7" x 1.8")
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