Heater Filter(512)
Uses item details. Price when purchased online
Aerostar 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $32.00 $5.33/count

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$3200
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Aerostar 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack
464.7 out of 5 Stars. 46 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

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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 21x21x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $53.19 $8.87/count

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$5319
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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 20x25x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $35.06 $8.77/count

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$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
Best seller AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter From $7.48

9 options
Available in additional 9 optionsFrom$748
AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter
150894.5 out of 5 Stars. 15089 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
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 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
34444.6 out of 5 Stars. 3444 reviews
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
36954.6 out of 5 Stars. 3695 reviews
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $13.44

4 options
Available in additional 4 optionsFrom$1344
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
18864.7 out of 5 Stars. 1886 reviews
Aerostar 16x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $32.95 $8.24/count

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Aerostar 16x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack
1984.6 out of 5 Stars. 198 reviews
Aerostar 16x20x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 4 Pack $33.30 $8.33/count

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$3330
current price $33.30$8.33/count
Aerostar 16x20x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 4 Pack
714.3 out of 5 Stars. 71 reviews
Filterbuy 18x20x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack) $15.00 $15.00/in

$1500
current price $15.00$15.00/in
Filterbuy 18x20x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
1484.8 out of 5 Stars. 148 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
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
25194.6 out of 5 Stars. 2519 reviews
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 2 Filters From $18.47

4 options
Available in additional 4 optionsFrom$1847
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 2 Filters
19694.7 out of 5 Stars. 1969 reviews
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters From $13.44

4 options
Available in additional 4 optionsFrom$1344
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
18744.6 out of 5 Stars. 1874 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
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
5704.7 out of 5 Stars. 570 reviews
Filtrete 12x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64

$564
current price $5.64Filtrete 12x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
1074.5 out of 5 Stars. 107 reviews
Aerostar 14x20x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $33.32

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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 19x30x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (6 Pack) From $43.19

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Simply Filters 19x30x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (6 Pack)
25 out of 5 Stars. 2 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
Filtrete 14x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 14x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
7474.6 out of 5 Stars. 747 reviews
Filtrete 16x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 16x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
1804.6 out of 5 Stars. 180 reviews
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
4144.2 out of 5 Stars. 414 reviews
Filtrete 14x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 14x30x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
4244.5 out of 5 Stars. 424 reviews
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
2854.1 out of 5 Stars. 285 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
Filtrete 12x12x1 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 12x12x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
3654.3 out of 5 Stars. 365 reviews
Simply Filters 16x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack) From $23.97

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Simply Filters 16x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
6374.6 out of 5 Stars. 637 reviews
Simply Filters 19x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack) From $38.99

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Simply Filters 19x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
25 out of 5 Stars. 2 reviews
Filtrete 12x12x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 12x12x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
4154.6 out of 5 Stars. 415 reviews
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 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
6284.6 out of 5 Stars. 628 reviews
Filtrete 16x25x1 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 16x25x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter
1224.7 out of 5 Stars. 122 reviews
Filtrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 14x14x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
4224.6 out of 5 Stars. 422 reviews
Filterbuy 16x25x1 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 16x25x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
8854.7 out of 5 Stars. 885 reviews
Filtrete 16x20x1 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 16x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
17914.7 out of 5 Stars. 1791 reviews
Filtrete 14x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64

2 options
Available in additional 2 optionsFrom$564
Filtrete 14x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
5144.6 out of 5 Stars. 514 reviews
Filtrete 16x20x1 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 16x20x1 HVAC Furnace Air Filter, MPR 2500 MERV 14, Premium Allergen and Ultrafine Particles, 1 Filter
1354.8 out of 5 Stars. 135 reviews
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
2044.8 out of 5 Stars. 204 reviews
Filtrete 16x16x1, Allergen Defense Micro Particle Reduction HVAC Furnace Air Filter, 800 MPR, 1 Filter From $11.88

2 options
Available in additional 2 optionsFrom$1188
Filtrete 16x16x1, Allergen Defense Micro Particle Reduction HVAC Furnace Air Filter, 800 MPR, 1 Filter
2694.3 out of 5 Stars. 269 reviews
Online only Filterbuy 15x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $43.96 $43.96/in

$4396
current price $43.96$43.96/in
Filterbuy 15x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
2024.8 out of 5 Stars. 202 reviews
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 24x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $11.88

2 options
Available in additional 2 optionsFrom$1188
Filtrete 24x24x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
5554.6 out of 5 Stars. 555 reviews
Filterbuy 14x25x1 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 14x25x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
2484.7 out of 5 Stars. 248 reviews
Filtrete 10x20x1 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 10x20x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
1834.1 out of 5 Stars. 183 reviews
Filtrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter

2 options
Available in additional 2 optionsFiltrete 18x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
2204.7 out of 5 Stars. 220 reviews
AAF Flanders SM1006 NaturalAire Cut-to-Fit Media Pad, MERV 1 Natural Fiber Media Filter

2 options
Available in additional 2 optionsAAF Flanders SM1006 NaturalAire Cut-to-Fit Media Pad, MERV 1 Natural Fiber Media Filter
4274.6 out of 5 Stars. 427 reviews
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