Heater Filter(511)
Uses item details. Price when purchased online
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
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
Filter King 17.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x .75" $44.16
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current price $44.16Filter King 17.5x29.5x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 29.5 x .75"
224.9 out of 5 Stars. 22 reviews
Mann+Hummel 16x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 15.5 x 19.5 x 3.75 Inches) $38.95
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current price $38.95Mann+Hummel 16x20x4 MERV 8 Pleated HVAC AC Furnace Air Filters. 2 Pack. (Exact Size: 15.5 x 19.5 x 3.75 Inches)
45 out of 5 Stars. 4 reviews
Filter King 16x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 22 x .75" $43.96
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current price $43.96Filter King 16x22x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 22 x .75"
54.6 out of 5 Stars. 5 reviews
Best seller Filtrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
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Available in additional 2 optionsFrom$564
Filtrete 16x25x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
27034.6 out of 5 Stars. 2703 reviews
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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
153364.5 out of 5 Stars. 15336 reviews
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Best seller Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $5.64
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Available in additional 2 optionsFrom$564
Filtrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
35084.6 out of 5 Stars. 3508 reviews
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Best seller Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.44
4 options
Available in additional 4 optionsFrom$1344
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
19234.7 out of 5 Stars. 1923 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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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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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
Filter King 19x23x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 23 x .75" $39.68
Sponsored
$3968
current price $39.68Filter King 19x23x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 19 x 23 x .75"
54.8 out of 5 Stars. 5 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
25474.6 out of 5 Stars. 2547 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
6644.5 out of 5 Stars. 664 reviews
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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
1064.5 out of 5 Stars. 106 reviews
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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
5854.7 out of 5 Stars. 585 reviews
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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
4324.5 out of 5 Stars. 432 reviews
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Filtrete 16x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter From $11.87
2 options
Available in additional 2 optionsFrom$1187
Filtrete 16x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
1854.6 out of 5 Stars. 185 reviews
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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
7614.6 out of 5 Stars. 761 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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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
Sponsored
$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 16x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75" $39.88
Sponsored
$3988
current price $39.88Filter King 16x18x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 16 x 18 x .75"
174.4 out of 5 Stars. 17 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
1234.7 out of 5 Stars. 123 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 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
3664.3 out of 5 Stars. 366 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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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)
8834.7 out of 5 Stars. 883 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 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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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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Filter King 21x23x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75" $45.33
Sponsored
$4533
current price $45.33Filter King 21x23x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 21 x 23 x .75"
165 out of 5 Stars. 16 reviews
Filter King 17x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17 x .75" $46.68
Sponsored
$4668
current price $46.68Filter King 17x17x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17 x 17 x .75"
164.7 out of 5 Stars. 16 reviews
Filtrete 12x30x1 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 12x30x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
1923.9 out of 5 Stars. 192 reviews
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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
2754.2 out of 5 Stars. 275 reviews
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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
4224.6 out of 5 Stars. 422 reviews
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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
4264.6 out of 5 Stars. 426 reviews
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter From $13.44
4 options
Available in additional 4 optionsFrom$1344
Filtrete 16x25x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
18894.6 out of 5 Stars. 1889 reviews
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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
4294.6 out of 5 Stars. 429 reviews
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Filtrete 20x30x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack $47.49 $7.92/ea
$4749
current price $47.49$7.92/ea
Filtrete 20x30x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
1404.5 out of 5 Stars. 140 reviews
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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 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
1364.8 out of 5 Stars. 136 reviews
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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
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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
21824.7 out of 5 Stars. 2182 reviews
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Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $29.96
$2996
current price $29.96Filterbuy 20x20x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
28764.8 out of 5 Stars. 2876 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
5184.6 out of 5 Stars. 518 reviews
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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
2234.7 out of 5 Stars. 223 reviews
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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
18174.7 out of 5 Stars. 1817 reviews
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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
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Great Value; 12x20x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters From $9.44
14 options
Available in additional 14 optionsFrom$944
Great Value; 12x20x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters
4904.8 out of 5 Stars. 490 reviews
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Air-Care 14x25x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8
24 options
Available in additional 24 optionsAir-Care 14x25x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8
3864.5 out of 5 Stars. 386 reviews
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