Heating Filters(485)
Uses item details. Price when purchased online
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 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
Filtrete 14x20x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 13.68 x 19.68 x 0.81 in) From $15.27
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From$1527
Filtrete 14x20x1 Air Filter, MERV 11, MPR 1000, Allergens & Pet Dander, 3-Month AC and Furnace Filters, Cleaner Air, Reliable Airflow, 2 HVAC Filters (Actual Size 13.68 x 19.68 x 0.81 in)
9244.7 out of 5 Stars. 924 reviews
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Filter King 20x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21 x .75" $40.44
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$4044
current price $40.44Filter King 20x21x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 20 x 21 x .75"
264.8 out of 5 Stars. 26 reviews
1K+ 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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Available in additional 9 optionsFrom$748
AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter
153454.5 out of 5 Stars. 15345 reviews
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Filtrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
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Available in additional 3 optionsFrom$564
Filtrete 20x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
4404.4 out of 5 Stars. 440 reviews
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Best seller Filtrete 16x20x1 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 16x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
24774.6 out of 5 Stars. 2477 reviews
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Filtrete 20x30x1 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 20x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
10304.4 out of 5 Stars. 1030 reviews
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1K+ bought since yesterday 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
37824.6 out of 5 Stars. 3782 reviews
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Best seller Filtrete 20x20x1 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 20x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
30554.6 out of 5 Stars. 3055 reviews
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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
(4 pack) Filtrete 14x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $55.52 $13.88/ea
$5552
current price $55.52$13.88/ea
(4 pack) Filtrete 14x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
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Filtrete 14x14x1 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 14x14x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
6184.7 out of 5 Stars. 618 reviews
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Best seller Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
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Available in additional 2 optionsFrom$564
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
5854.7 out of 5 Stars. 585 reviews
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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $16.49
4 options
Available in additional 4 optionsFrom$1649
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
7334.7 out of 5 Stars. 733 reviews
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Best seller 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
25524.6 out of 5 Stars. 2552 reviews
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Filtrete 14x25x1 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 14x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
7794.7 out of 5 Stars. 779 reviews
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Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $16.48
4 options
Available in additional 4 optionsFrom$1648
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
6154.7 out of 5 Stars. 615 reviews
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Filtrete 24x24x1 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 24x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
7954.7 out of 5 Stars. 795 reviews
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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
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$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
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
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$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
Filtrete 16x16x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47
3 options
Available in additional 3 optionsFrom$1847
Filtrete 16x16x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
5564.8 out of 5 Stars. 556 reviews
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Filtrete 14x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
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Available in additional 2 optionsFrom$564
Filtrete 14x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
4344.5 out of 5 Stars. 434 reviews
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Filtrete 18x20x1 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 18x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
7454.5 out of 5 Stars. 745 reviews
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Best seller Filtrete 20x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
2 options
Available in additional 2 optionsFiltrete 20x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
9944.5 out of 5 Stars. 994 reviews
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Filtrete 20x25x4 Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter $33.88
$3388
current price $33.88Filtrete 20x25x4 Air Filter, MPR 1550 MERV 12, Ultra Allergen Reduction, 1 Filter
11174.6 out of 5 Stars. 1117 reviews
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Filtrete 14x30x1 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 14x30x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
6554.7 out of 5 Stars. 655 reviews
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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
6654.5 out of 5 Stars. 665 reviews
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Filtrete 14x18x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88
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Available in additional 2 optionsFrom$1188
Filtrete 14x18x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
5804.5 out of 5 Stars. 580 reviews
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Filter King 25x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75" $53.82
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$5382
current price $53.82Filter King 25x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 24.5 x 24.5 x .75"
204.5 out of 5 Stars. 20 reviews
16x20x4 MERV 10 Pleated AC Furnace Air Filters by Glasfloss Industries. ( 3 Pack ) Exact Size: 15-1/2 x 19-1/2 x 3-3/4 $43.95
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$4395
current price $43.9516x20x4 MERV 10 Pleated AC Furnace Air Filters by Glasfloss Industries. ( 3 Pack ) Exact Size: 15-1/2 x 19-1/2 x 3-3/4
15 out of 5 Stars. 1 reviews
Filtrete 20x24x1 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 20x24x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
30554.6 out of 5 Stars. 3055 reviews
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Filtrete 25x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $11.88
$1188
current price $11.88Filtrete 25x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
1584.3 out of 5 Stars. 158 reviews
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Filtrete 24x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88
2 options
Available in additional 2 optionsFrom$1188
Filtrete 24x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
2914.1 out of 5 Stars. 291 reviews
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Filtrete 14x30x1 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 14x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
4874.2 out of 5 Stars. 487 reviews
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Filtrete 14x18x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47
2 options
Available in additional 2 optionsFrom$1847
Filtrete 14x18x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
2104.8 out of 5 Stars. 210 reviews
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Filtrete 14x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
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Available in additional 2 optionsFrom$564
Filtrete 14x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
7614.6 out of 5 Stars. 761 reviews
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Filtrete 24x30x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47
3 options
Available in additional 3 optionsFrom$1847
Filtrete 24x30x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
6314.6 out of 5 Stars. 631 reviews
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Filtrete 16x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88
2 options
Available in additional 2 optionsFrom$1188
Filtrete 16x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
2294 out of 5 Stars. 229 reviews
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Filtrete 18x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88
2 options
Available in additional 2 optionsFrom$1188
Filtrete 18x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
4224.2 out of 5 Stars. 422 reviews
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Filtrete 12x24x1 Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter From $11.88
2 options
Available in additional 2 optionsFrom$1188
Filtrete 12x24x1 Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
6974.5 out of 5 Stars. 697 reviews
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Filtrete 24x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
$564
current price $5.64Filtrete 24x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
2034.4 out of 5 Stars. 203 reviews
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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
27044.6 out of 5 Stars. 2704 reviews
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Filtrete 18x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
$564
current price $5.64Filtrete 18x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
2124.5 out of 5 Stars. 212 reviews
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Filtrete 14x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter From $18.47
3 options
Available in additional 3 optionsFrom$1847
Filtrete 14x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
6884.8 out of 5 Stars. 688 reviews
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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
21854.7 out of 5 Stars. 2185 reviews
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Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
2 options
Available in additional 2 optionsFrom$564
Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
35164.6 out of 5 Stars. 3516 reviews
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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
4964.4 out of 5 Stars. 496 reviews
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