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 $37.99

Sponsored
From$3799
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 18x18x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $33.20 $5.53/count

Sponsored
$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 8, Pleated Air Filter, 14x20x1, Box of 6, $26.65 $4.44/count

Sponsored
$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 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $20.36 Was $24.99 $5.09/count

Sponsored
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
Best seller Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $13.44

4 options
Available in additional 4 optionsFrom$1344
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
21144.7 out of 5 Stars. 2114 reviews
AAF Flanders 4-Pack 14" x 25" x 1" Nested Fiberglass MERV 1 Air Filter From $7.48

2 options
Available in additional 2 optionsFrom$748
AAF Flanders 4-Pack 14" x 25" x 1" Nested Fiberglass MERV 1 Air Filter
4894.4 out of 5 Stars. 489 reviews
Filtrete 14x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

3 options
Available in additional 3 optionsFrom$1188
Filtrete 14x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
6614.4 out of 5 Stars. 661 reviews
Best seller Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $13.44

4 options
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
Best seller Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47

4 options
Available in additional 4 optionsFrom$1847
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
21454.7 out of 5 Stars. 2145 reviews
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.44

4 options
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
Aerostar 16.375x21.5x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $45.32

Sponsored
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 16.5x21.5x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $39.89 Was $45.54

Sponsored
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
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

4 options
Available in additional 4 optionsFrom$1188
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
20924.5 out of 5 Stars. 2092 reviews
Filtrete 20x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.44

4 options
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
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88

4 options
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
Best seller Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47

4 options
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
Filtrete 10x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $12.19

3 options
Available in additional 3 optionsFrom$1219
Filtrete 10x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5384.7 out of 5 Stars. 538 reviews
12" x 12" x 1" Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting by LifeSupplyUSA From $29.99

17 options
Available in additional 17 optionsFrom$2999
12" x 12" x 1" Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting by LifeSupplyUSA
254.4 out of 5 Stars. 25 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")
Filtrete 12x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.89

3 options
Available in additional 3 optionsFrom$1389
Filtrete 12x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5494.7 out of 5 Stars. 549 reviews
Aerostar 21x21x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $53.19 $8.87/count

Sponsored
$5319
current price $53.19$8.87/count
Aerostar 21x21x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
234.9 out of 5 Stars. 23 reviews
Aerostar 14x20x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 6 Pack $41.99 $7.00/count

Sponsored
$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
Filtrete 20x25x1 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 20x25x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter
1324.6 out of 5 Stars. 132 reviews
Aerostar 20x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack From $31.93

2 options
Available in additional 2 optionsFrom$3193
Aerostar 20x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
704.6 out of 5 Stars. 70 reviews
Filtrete 18x18x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.49

2 options
Available in additional 2 optionsFrom$1349
Filtrete 18x18x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5504.7 out of 5 Stars. 550 reviews
Filtrete 20x20x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack $47.99 $24.00/ea

$4799
current price $47.99$24.00/ea
Filtrete 20x20x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack
4144.6 out of 5 Stars. 414 reviews
Best seller Filtrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
26514.6 out of 5 Stars. 2651 reviews
Simply Filters 19x30x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack) From $35.99

4 options
Available in additional 4 optionsFrom$3599
Simply Filters 19x30x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
15 out of 5 Stars. 1 reviews
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
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")
Aerostar 14x20x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $33.32

Sponsored
From$3332
Aerostar 14x20x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack
954.6 out of 5 Stars. 95 reviews
Simply Filters 20x20x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) From $27.26

Sponsored
From$2726
Simply Filters 20x20x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
7614.7 out of 5 Stars. 761 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
25194.6 out of 5 Stars. 2519 reviews
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria and Virus, 1 Filter From $20.99

4 options
Available in additional 4 optionsFrom$2099
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria and Virus, 1 Filter
6874.8 out of 5 Stars. 687 reviews
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 17.5x23.5x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack From $43.98

3 options
Available in additional 3 optionsFrom$4398
Filtrete 17.5x23.5x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
5214.7 out of 5 Stars. 521 reviews
Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

3 options
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
Simply Filters 16x25x2 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)

Simply Filters 16x25x2 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
74.7 out of 5 Stars. 7 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
Filtrete 15x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.89

3 options
Available in additional 3 optionsFrom$1389
Filtrete 15x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5504.7 out of 5 Stars. 550 reviews
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
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") $65.00

$6500
current price $65.00Washable 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")
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")
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")
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
Simply Filters 17.5x23.5x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack) From $26.99

3 options
Available in additional 3 optionsFrom$2699
Simply Filters 17.5x23.5x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
33.7 out of 5 Stars. 3 reviews
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")
Filterbuy 20x20x1 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 20x20x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
10494.7 out of 5 Stars. 1049 reviews
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria and Virus, 2 Pack From $36.71

4 options
Available in additional 4 optionsFrom$3671
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Premium Allergen, Bacteria and Virus, 2 Pack
6704.8 out of 5 Stars. 670 reviews
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
Popular in Central Heating System Filter
Related Products
Electronic Furnace Air Filter Replacement Pads Year Supply - 4 Changes (14x24x1)
Electronic Furnace Air Filter Replacement Pads Year Supply - 4 Changes (14x24x1)$49.97current price $49.97WICKED CLEAN AIR. 16x22x5 Air Filter MERVCompatible with Goodman/Amana Furnace Filter 2 Pack
WICKED CLEAN AIR. 16x22x5 Air Filter MERVCompatible with Goodman/Amana Furnace Filter 2 Pack$76.99current price $76.99SpiroPure 15.38X22X4 MERV 8 Pleated Air Filters - Made in USA (6 Pack)
SpiroPure 15.38X22X4 MERV 8 Pleated Air Filters - Made in USA (6 Pack)$163.18current price $163.18Venti Tech 24x24x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter
Venti Tech 24x24x1 Washable Electrostatic Air Filter. Reusable HVAC & Furnace Air Filter
16x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 8 Air Filters 2 Pack
16x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 8 Air Filters 2 Pack$81.99current price $81.99Trion 266649-105 Air Bear 16 x 25 x 5 Inch MERV 13 Air Purifier Filter (3 Pack)
Trion 266649-105 Air Bear 16 x 25 x 5 Inch MERV 13 Air Purifier Filter (3 Pack)$124.12current price $124.1220x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 8 Air Filters 2 Pack
20x25x5 1/4 (5.25) Goodman/Carrier/Amana Replacement MERV 8 Air Filters 2 Pack$81.99current price $81.99Omnitec Air Filter, 12 in D, 24 in H, 24 in W OBF10
Omnitec Air Filter, 12 in D, 24 in H, 24 in W OBF10$133.37current price $133.37Precisionaire Furnace Air Filter 14" X 30" X 1" Fiberglass
Precisionaire Furnace Air Filter 14" X 30" X 1" Fiberglass$54.31current price $54.3116 in x 90 ft x 1 in Polyester Air Filter Roll, MERV 7, Blue/White (Formerly Air Handler)
16 in x 90 ft x 1 in Polyester Air Filter Roll, MERV 7, Blue/White (Formerly Air Handler)$148.71current price $148.71Precisionaire Furnace Air Filter 25 " X 25 " X 1 " Fiberglass
Precisionaire Furnace Air Filter 25 " X 25 " X 1 " Fiberglass$66.18current price $66.18Electrostatic Register Filter, 4 x 12 x 0.1, White, 12/Pack | Bundle of 10 Packs
Electrostatic Register Filter, 4 x 12 x 0.1, White, 12/Pack | Bundle of 10 Packs$96.25current price $96.25Trion Air Bear 288649-202 (2-Pack) - 20" x 25" x 5" Air Filter with Carbon, MERV 10
Trion Air Bear 288649-202 (2-Pack) - 20" x 25" x 5" Air Filter with Carbon, MERV 10$90.95current price $90.9516 in x 90 ft x 1 in Polyester Air Filter Roll, MERV 8, Orange/White (Formerly Air Handler)
16 in x 90 ft x 1 in Polyester Air Filter Roll, MERV 8, Orange/White (Formerly Air Handler)$150.97current price $150.97B & K 4509550 24 x 24 x 1 in. Synthetic 8 MERV Pleated Air Filter - Pack of 12
B & K 4509550 24 x 24 x 1 in. Synthetic 8 MERV Pleated Air Filter - Pack of 12$158.10current price $158.10Cabana Filters 20 x 25 x 1 HVAC Furnace Air Filter Replacement, MERV 11, 6 Pack
Cabana Filters 20 x 25 x 1 HVAC Furnace Air Filter Replacement, MERV 11, 6 Pack$48.99current price $48.9920x20x5 AIRx ALLERGY Air Bear 259112-103 Replacement Air Filter - MERV 11
20x20x5 AIRx ALLERGY Air Bear 259112-103 Replacement Air Filter - MERV 11$36.62current price $36.62