Heater Filter(511)
Uses item details. Price when purchased online
Aerostar 18x18x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $38.92

Sponsored
From$3892
Aerostar 18x18x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack
724.7 out of 5 Stars. 72 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
Aerostar 12x12x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 6 Pack $32.00 $5.33/count

Sponsored
$3200
current price $32.00$5.33/count
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 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
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
500+ bought since yesterday 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 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter

2 options
Available in additional 2 optionsFiltrete 16x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
34444.6 out of 5 Stars. 3444 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
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
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
20814.5 out of 5 Stars. 2081 reviews
Aerostar 20x25x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $35.06 $8.77/count

Sponsored
$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
Aerostar 12x12x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack From $28.49

Sponsored
From$2849
Aerostar 12x12x1 MERV 6 Air Filter, Pleated AC Furnace HVAC, Dust Lint Control, 6 Pack
304.6 out of 5 Stars. 30 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
100+ bought since yesterday 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
4854.4 out of 5 Stars. 485 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
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
24864.6 out of 5 Stars. 2486 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
19464.7 out of 5 Stars. 1946 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
6574.5 out of 5 Stars. 657 reviews
100+ bought since yesterday 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
In 25+ people's carts 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
18564.6 out of 5 Stars. 1856 reviews
Aerostar 16x20x1 MERV 8 Air Filter, Pleated AC Furnace HVAC, Dust Pollen Pet Dander, 4 Pack $32.95 $8.24/count

Sponsored
$3295
current price $32.95$8.24/count
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

Sponsored
$3330
current price $33.30$8.33/count
Aerostar 16x20x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 4 Pack
704.3 out of 5 Stars. 70 reviews
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
20824.7 out of 5 Stars. 2082 reviews
100+ bought since yesterday 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 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
Best seller 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
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
Best seller 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 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 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack From $13.44

Sponsored
From$1344
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 4 Pack
18864.7 out of 5 Stars. 1886 reviews
Filtrete 20x30x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack From $18.47

Sponsored
From$1847
Filtrete 20x30x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack
12314.7 out of 5 Stars. 1231 reviews
100+ bought since yesterday 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
4144.6 out of 5 Stars. 414 reviews
Best seller 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 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 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
1913.9 out of 5 Stars. 191 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
6254.6 out of 5 Stars. 625 reviews
In 25+ people's carts 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
21264.7 out of 5 Stars. 2126 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
5134.6 out of 5 Stars. 513 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
17844.7 out of 5 Stars. 1784 reviews
Best seller 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
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
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 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 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
5524.6 out of 5 Stars. 552 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
2014.8 out of 5 Stars. 201 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
Great Value; 12x24x1; 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; 12x24x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters
4854.8 out of 5 Stars. 485 reviews
Great Value MERV 13 Pleated Furnace Filters, Best for Indoor Air Quality, (2 Count) From $13.23

15 options
Available in additional 15 optionsFrom$1323
Great Value MERV 13 Pleated Furnace Filters, Best for Indoor Air Quality, (2 Count)
3794.7 out of 5 Stars. 379 reviews
Air-Care 14x25x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8 Was $59.99

24 options
Available in additional 24 optionsAir-Care 14x25x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8
3834.5 out of 5 Stars. 383 reviews
Popular in Heater Filter
Related Products
20x25x5 MERV 13 Trion Air Bear Supreme 2000 259112-102 Aftermarket Filters (2 Pack)
20x25x5 MERV 13 Trion Air Bear Supreme 2000 259112-102 Aftermarket Filters (2 Pack)$81.00current price $81.00WICKED CLEAN AIR. 20x22x1 Air Filter MERV 11 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC Furnace Filters
WICKED CLEAN AIR. 20x22x1 Air Filter MERV 11 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC Furnace Filters$55.99current price $55.99Washable 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 20" x 2"), Aluminum Electrostatic Air Filter for Furnace and Central Air Conditioner (Actual Size: 13.7" x 19.7" x 1.8")$62.00current price $62.00Trion 259112-102 Air Bear 20x25x5 Inch MERV 11 Air Purifier Filter (3 Pack)
Trion 259112-102 Air Bear 20x25x5 Inch MERV 11 Air Purifier Filter (3 Pack)$115.95current price $115.95Simply Filters 16x10x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (24 Pack)
Simply Filters 16x10x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (24 Pack)$261.59current price $261.59True Blue 116241 Furnace Air Filter 16 x 24 x 1
True Blue 116241 Furnace Air Filter 16 x 24 x 1$52.12current price $52.12Cabana 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 $48.99Wioboy Aluminum Electrostatic Air Filter, Washable, 12" x 12" x 1", Furnace Filters
Wioboy Aluminum Electrostatic Air Filter, Washable, 12" x 12" x 1", Furnace Filters$27.98current price $27.9816 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 $148.71Air Bear 20x20x5 (4 15/16) Replacement 255649-103 MERV 8 Air Filters 2 Pack
Air Bear 20x20x5 (4 15/16) Replacement 255649-103 MERV 8 Air Filters 2 Pack$49.99current price $49.9913x21.5x1 Carrier Replacement MERV 8 Air Filters 24 Pack
13x21.5x1 Carrier Replacement MERV 8 Air Filters 24 Pack$221.49current price $221.49True Blue 124361 24x36 x 1 In. Fiberglass Air Filter, 30 Days - Quantity 12
True Blue 124361 24x36 x 1 In. Fiberglass Air Filter, 30 Days - Quantity 12$78.75current price $78.7519.875x21.5x1 Carrier Replacement MERV 8 Air Filters 24 Pack
19.875x21.5x1 Carrier Replacement MERV 8 Air Filters 24 Pack$225.65current price $225.65
