Central Heating System Filter(482)
Uses item details. Price when purchased online
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
274.4 out of 5 Stars. 27 reviews
Aerostar 19.875x21.5x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $49.96
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From$4996
Aerostar 19.875x21.5x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack
374.7 out of 5 Stars. 37 reviews
Aerostar 16x20x4 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 4 Pack From $29.16
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From$2916
Aerostar 16x20x4 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 4 Pack
643.9 out of 5 Stars. 64 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
484.8 out of 5 Stars. 48 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
6644.5 out of 5 Stars. 664 reviews
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Best seller Filtrete 20x20x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 19.68 x 19.68 x 0.81 in) From $13.44
4 options
Available in additional 4 optionsFrom$1344
Filtrete 20x20x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 19.68 x 19.68 x 0.81 in)
19004.7 out of 5 Stars. 1900 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
4 options
Available in additional 4 optionsFrom$1847
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
21824.7 out of 5 Stars. 2182 reviews
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Best seller Filtrete 20x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 19.68 x 24.68 x 0.81 in) From $13.44
4 options
Available in additional 4 optionsFrom$1344
Filtrete 20x25x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 19.68 x 24.68 x 0.81 in)
21504.7 out of 5 Stars. 2150 reviews
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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
21044.5 out of 5 Stars. 2104 reviews
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Aerostar 20x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack From $30.85
2 options
Available in additional 2 optionsFrom$3085
Aerostar 20x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
714.6 out of 5 Stars. 71 reviews
Mann+Hummel 20x20x2 MERV 8 Pleated HVAC AC Furnace Air Filters. 4 Pack. (Exact Size: 19.5 x 19.5 x 1.75 Inches) $45.95
Sponsored
$4595
current price $45.95Mann+Hummel 20x20x2 MERV 8 Pleated HVAC AC Furnace Air Filters. 4 Pack. (Exact Size: 19.5 x 19.5 x 1.75 Inches)
84.9 out of 5 Stars. 8 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
Best seller 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
21244.6 out of 5 Stars. 2124 reviews
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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
4964.4 out of 5 Stars. 496 reviews
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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
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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
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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
4 options
Available in additional 4 optionsFrom$1847
Filtrete 20x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
19954.7 out of 5 Stars. 1995 reviews
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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
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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
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
1404.2 out of 5 Stars. 140 reviews
Filter King 23x20x1a Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 20 x .75" $46.78
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$4678
current price $46.78Filter King 23x20x1a Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 23 x 20 x .75"
214.2 out of 5 Stars. 21 reviews
Filter King 15.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75" $35.52
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$3552
current price $35.52Filter King 15.5x19.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 15.5 x 19.5 x .75"
234.7 out of 5 Stars. 23 reviews
Filtrete 20x20x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters $47.99 $24.00/ea
$4799
current price $47.99$24.00/ea
Filtrete 20x20x4 Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
4154.6 out of 5 Stars. 415 reviews
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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
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")
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
5514.7 out of 5 Stars. 551 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
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")
14x14x1 Furnace Filter, 12-Pack MERV 1 Fiberglass Replacement for Central AC and Heating Systems $49.12
$4912
current price $49.1214x14x1 Furnace Filter, 12-Pack MERV 1 Fiberglass Replacement for Central AC and Heating Systems
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")
Filter King 23x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19.5 x .75" $54.40
Sponsored
$5440
current price $54.40Filter King 23x20x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 22.5 x 19.5 x .75"
204.6 out of 5 Stars. 20 reviews
Filter King 25x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75" $64.28
Sponsored
$6428
current price $64.28Filter King 25x30x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 29.5 x .75"
235 out of 5 Stars. 23 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
25474.6 out of 5 Stars. 2547 reviews
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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")
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
62.8 out of 5 Stars. 6 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
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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
3 options
Available in additional 3 optionsFrom$564
Filtrete 20x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
37654.6 out of 5 Stars. 3765 reviews
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Washable Air Filter(16" x 25" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 24.7" x 1.8") $69.00
$6900
current price $69.00Washable Air Filter(16" x 25" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 24.7" x 1.8")
Aluminum Electrostatic Air Filter (14" x 14" x 1"), Washable Furnace Central AC Air Filter $34.78
$3478
current price $34.78Aluminum Electrostatic Air Filter (14" x 14" x 1"), Washable Furnace Central AC Air Filter
14 out of 5 Stars. 1 reviews
Washable Air Filter(16" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 23.7" x 1.8") $68.00
$6800
current price $68.00Washable Air Filter(16" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 23.7" x 1.8")
Washable Air Filter(16" x 30" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 29.7" x 1.8") $79.00
$7900
current price $79.00Washable Air Filter(16" x 30" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 15.7" x 29.7" 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
2354.5 out of 5 Stars. 235 reviews
Filtrete 15x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $15.27
3 options
Available in additional 3 optionsFrom$1527
Filtrete 15x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5534.7 out of 5 Stars. 553 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)
7344.7 out of 5 Stars. 734 reviews
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Washable Air Filter(18" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 17.7" x 23.7" x 1.8") $77.00
$7700
current price $77.00Washable Air Filter(18" x 24" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 17.7" 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(14" x 14" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 13.7" x 1.8") $59.00
$5900
current price $59.00Washable Air Filter(14" x 14" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 13.7" x 1.8")
Washable Air Filter(14" x 20" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 19.7" x 1.8") $62.00
$6200
current price $62.00Washable Air Filter(14" x 20" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 19.7" x 1.8")
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") $65.00
$6500
current price $65.00Washable 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")
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