18 X25(145)
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12 Pack of 18x25x2 MERV 10 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 17-1/2 x 24-1/2 x 1-3/4 $91.89
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current price $91.8912 Pack of 18x25x2 MERV 10 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 17-1/2 x 24-1/2 x 1-3/4
Filter King 18x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 25 x .75" $48.96
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$4896
current price $48.96Filter King 18x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 18 x 25 x .75"
Filter King 18x25x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $37.22
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current price $37.22Filter King 18x25x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
94.8 out of 5 Stars. 9 reviews
Filter King 18x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $42.12
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$4212
current price $42.12Filter King 18x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
94.8 out of 5 Stars. 9 reviews
Filtrete 18x25x1 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 18x25x1 HVAC Furnace Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
2104.1 out of 5 Stars. 210 reviews
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Filtrete 18x25x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Basic Dust and Lint, 1 Filter $5.64
$564
current price $5.64Filtrete 18x25x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Basic Dust and Lint, 1 Filter
924.1 out of 5 Stars. 92 reviews
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Filtrete 18x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergens, Bacteria & Viruses, 1 Filter From $31.53
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Available in additional 2 optionsFrom$3153
Filtrete 18x25x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergens, Bacteria & Viruses, 1 Filter
5174.8 out of 5 Stars. 517 reviews
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Best seller Air-Care 18x25x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8
24 options
Available in additional 24 optionsAir-Care 18x25x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8
3984.5 out of 5 Stars. 398 reviews
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Filtrete 18x25x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 Filter $18.47
$1847
current price $18.47Filtrete 18x25x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 Filter
5194.8 out of 5 Stars. 519 reviews
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Airflux Filters Fiberglass Furnace Air Filter Non Pleated for Dust 12 Pack 18 x 25 x 1 From $56.94
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Available in additional 52 optionsFrom$5694
Airflux Filters Fiberglass Furnace Air Filter Non Pleated for Dust 12 Pack 18 x 25 x 1
54.2 out of 5 Stars. 5 reviews
Filter King 18x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $56.64
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current price $56.64Filter King 18x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
44.8 out of 5 Stars. 4 reviews
Filter King 18x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $48.96
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$4896
current price $48.96Filter King 18x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
44.8 out of 5 Stars. 4 reviews
Simply Filters 18x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $49.99
$4999
current price $49.99Simply Filters 18x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
5934.6 out of 5 Stars. 593 reviews
Filter King 18x25x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $63.72 Was $73.80
Now$6372
current price Now $63.72, Was $73.80$73.80
Filter King 18x25x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
84.8 out of 5 Stars. 8 reviews
Filterbuy 18x25x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack $49.96
$4996
current price $49.96Filterbuy 18x25x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 4-Pack
1384.8 out of 5 Stars. 138 reviews
Filter King 18x25x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $37.22
$3722
current price $37.22Filter King 18x25x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
94.8 out of 5 Stars. 9 reviews
Flanders Precisionaire EZ Flow II Fiberglass Furnace Filter - MERV 4 - 12 Pack, 18x25x1 $59.68
$5968
current price $59.68Flanders Precisionaire EZ Flow II Fiberglass Furnace Filter - MERV 4 - 12 Pack, 18x25x1
Filter King 18x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $42.12
$4212
current price $42.12Filter King 18x25x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
94.8 out of 5 Stars. 9 reviews
Filter King 18x25x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $122.76
$12276
current price $122.76Filter King 18x25x1 Air Filter | 6-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
84.8 out of 5 Stars. 8 reviews
Simply Filters 18x25x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (6 Pack) From $34.97
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Available in additional 6 optionsFrom$3497
Simply Filters 18x25x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (6 Pack)
5954.6 out of 5 Stars. 595 reviews
Filter King 18x25x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $108.78
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current price $108.78Filter King 18x25x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
84.8 out of 5 Stars. 8 reviews
Filter King 18x25x1 Air Filter | 12-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $190.08
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current price $190.08Filter King 18x25x1 Air Filter | 12-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
44.8 out of 5 Stars. 4 reviews
FLTR 18"X25"X1" $52.06
$5206
current price $52.06FLTR 18"X25"X1"
124.3 out of 5 Stars. 12 reviews
Filter King 18x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $48.96
$4896
current price $48.96Filter King 18x25x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
44.8 out of 5 Stars. 4 reviews
PUREFLOW Home Air Filter MERV 8, 18x25x1 Furnace Filter, 4 Layer High Efficiency Filtration for Dust, Smoke, Fumes, Pollutants (4-Pack) From $29.86
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Available in additional 30 optionsFrom$2986
PUREFLOW Home Air Filter MERV 8, 18x25x1 Furnace Filter, 4 Layer High Efficiency Filtration for Dust, Smoke, Fumes, Pollutants (4-Pack)
424.9 out of 5 Stars. 42 reviews
18x25x1 Air Filter MERV 13 Comparable to MPR 1500 - 2200 & FPR 9 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC AC Premium USA Made 18x25x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR. $66.55
$6655
current price $66.5518x25x1 Air Filter MERV 13 Comparable to MPR 1500 - 2200 & FPR 9 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC AC Premium USA Made 18x25x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR.
Filter King 18x25x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $89.76
$8976
current price $89.76Filter King 18x25x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
44.8 out of 5 Stars. 4 reviews
Filter King 18x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $56.64
$5664
current price $56.64Filter King 18x25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
44.8 out of 5 Stars. 4 reviews
Aerostar 18x25x1 MERV 13 Air Filter, Pleated AC Furnace HVAC, Smoke Bacteria Allergy, 6 Pack $98.14 $16.36/count
$9814
current price $98.14$16.36/count
Aerostar 18x25x1 MERV 13 Air Filter, Pleated AC Furnace HVAC, Smoke Bacteria Allergy, 6 Pack
15 out of 5 Stars. 1 reviews
PUREFLOW Home Air Filter MERV 11, 18x25x1 Furnace Filter, 4 Layer High Efficiency Filtration for Dust, Smoke, Fumes, Pollutants (4-Pack) From $37.09
45 options
Available in additional 45 optionsFrom$3709
PUREFLOW Home Air Filter MERV 11, 18x25x1 Furnace Filter, 4 Layer High Efficiency Filtration for Dust, Smoke, Fumes, Pollutants (4-Pack)
Filter King 18x25x1 Air Filter | 12-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $208.32
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$20832
current price $208.32Filter King 18x25x1 Air Filter | 12-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
84.8 out of 5 Stars. 8 reviews
Filter King 18x25x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $63.72 Was $73.80
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Now$6372
current price Now $63.72, Was $73.80$73.80
Filter King 18x25x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
84.8 out of 5 Stars. 8 reviews
18x25x1 (17_1/2x24_1/2) Pleated MERV 12 Air Filters 6 Pack From $41.99
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Available in additional 5 optionsFrom$4199
18x25x1 (17_1/2x24_1/2) Pleated MERV 12 Air Filters 6 Pack
35 out of 5 Stars. 3 reviews
Filters Fast 18x25x1 Pleated Air Filter (6 Pack), Merv 11 | 1" AC Furnace Air Filters, Made in the USA | Actual Size: 17.75"x24.75"x0.75 From $76.95
52 options
Available in additional 52 optionsFrom$7695
Filters Fast 18x25x1 Pleated Air Filter (6 Pack), Merv 11 | 1" AC Furnace Air Filters, Made in the USA | Actual Size: 17.75"x24.75"x0.75
15 out of 5 Stars. 1 reviews
Simply Filters 18x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (4 Pack) From $31.99
5 options
Available in additional 5 optionsFrom$3199
Simply Filters 18x25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (4 Pack)
5934.6 out of 5 Stars. 593 reviews
18x25x1 Air Filter MERV 13 Rating, 12 Pack of Furnace Filters Comparable to MPR 1500 - 2200 & FPR 9 - Made in USA by AIRX FILTERS WICKED CLEAN AIR. $134.06
$13406
current price $134.0618x25x1 Air Filter MERV 13 Rating, 12 Pack of Furnace Filters Comparable to MPR 1500 - 2200 & FPR 9 - Made in USA by AIRX FILTERS WICKED CLEAN AIR.
Filter King 18x25x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $108.78
$10878
current price $108.78Filter King 18x25x1 Air Filter | 6-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
84.8 out of 5 Stars. 8 reviews
Aerostar 18x25x1 MERV 13 Air Filter, Pleated AC Furnace HVAC, Smoke Bacteria Allergy, 4 Pack $98.00 $24.50/count
$9800
current price $98.00$24.50/count
Aerostar 18x25x1 MERV 13 Air Filter, Pleated AC Furnace HVAC, Smoke Bacteria Allergy, 4 Pack
18x25x1 Air Filter MERV 11 Comparable to MPR 1000, MPR 1200 & FPR 7 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC Premium USA Made 18x25x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR. $58.72
$5872
current price $58.7218x25x1 Air Filter MERV 11 Comparable to MPR 1000, MPR 1200 & FPR 7 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC Premium USA Made 18x25x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR.
18x25x1 Air Filter MERV 8 Comparable to MPR 700 & FPR 5 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC AC Premium USA Made 18x25x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR. $46.98 Was $53.80
Now$4698
current price Now $46.98, Was $53.80$53.80
18x25x1 Air Filter MERV 8 Comparable to MPR 700 & FPR 5 Electrostatic Pleated Air Conditioner Filter 6 Pack HVAC AC Premium USA Made 18x25x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR.
Glasfloss GDS Series 18 x 25 x 1 Double Strut Disposable Fiberglass Panel Air Filters. Case of 12. Actual Size: 17-5/8 x 24-5/8 x 3/4 From $47.87
46 options
Available in additional 46 optionsFrom$4787
Glasfloss GDS Series 18 x 25 x 1 Double Strut Disposable Fiberglass Panel Air Filters. Case of 12. Actual Size: 17-5/8 x 24-5/8 x 3/4
104.9 out of 5 Stars. 10 reviews
18x25x1 Air Filter MERV 11 Rating, 12 Pack of Furnace Filters Comparable to MPR 1000, MPR 1200 & FPR 7 - Made in USA by AIRX FILTERS WICKED CLEAN AIR. $117.10
$11710
current price $117.1018x25x1 Air Filter MERV 11 Rating, 12 Pack of Furnace Filters Comparable to MPR 1000, MPR 1200 & FPR 7 - Made in USA by AIRX FILTERS WICKED CLEAN AIR.
Simply Filters 18x25x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter (2 Pack) From $39.97
6 options
Available in additional 6 optionsFrom$3997
Simply Filters 18x25x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter (2 Pack)
Filterbuy 18x25x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack $37.98
$3798
current price $37.98Filterbuy 18x25x1 Air Filter MERV 8 Dust Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
774.7 out of 5 Stars. 77 reviews
Filter King 18x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75" $114.60
$11460
current price $114.60Filter King 18x25x1 Air Filter | 12-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 17.5 x 24.5 x .75"
44.8 out of 5 Stars. 4 reviews
Filterbuy 18x25x1 Air Filter MERV 10 Odor Defense, Pleated HVAC AC Furnace Filter Replacement, 1-Pack $62.99
$6299
current price $62.99Filterbuy 18x25x1 Air Filter MERV 10 Odor Defense, Pleated HVAC AC Furnace Filter Replacement, 1-Pack
Filterbuy 18x25x1 Air Filter MERV 10 Odor Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack $72.98
$7298
current price $72.98Filterbuy 18x25x1 Air Filter MERV 10 Odor Defense, Pleated HVAC AC Furnace Filter Replacement, 2-Pack
Filterbuy 18x25x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 1-Pack $38.99 $38.99/in
$3899
current price $38.99$38.99/in
Filterbuy 18x25x1 Air Filter MERV 11 Allergy Defense, Pleated HVAC AC Furnace Filter Replacement, 1-Pack
204.6 out of 5 Stars. 20 reviews
Aerostar 18x25x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 4 Pack $87.82 $21.96/count
$8782
current price $87.82$21.96/count
Aerostar 18x25x1 MERV 11 Air Filter, Pleated AC Furnace HVAC, Pet Dander Mold Smoke, 4 Pack
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