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12x24x1 Air Filters in Furnace Air Filters(250)
Uses item details. Price when purchased online
PuroAir Mega Filter - MERV 13 14x25x1 Air Filters with Carbon (2 pack) $49.99

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$4999
current price $49.99Options from $24.99
PuroAir Mega Filter - MERV 13 14x25x1 Air Filters with Carbon (2 pack)
83.8 out of 5 Stars. 8 reviews
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Colorfil 16x20x1 Odor Removal and Color Changing Pleated AC Furnace Air Filter, MERV 8 (2-Pack) $37.99

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$3799
current price $37.99Options from $34.99
Colorfil 16x20x1 Odor Removal and Color Changing Pleated AC Furnace Air Filter, MERV 8 (2-Pack)
20564.7 out of 5 Stars. 2056 reviews
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Flash Deal LotFancy 12x24x1 Air Filters, MERV 11 Pleated HVAC AC Furnace Air Filters, 6 Pack $42.99 Was $88.99
Flash Deal

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Now$4299
current price Now $42.99, Was $88.99$88.99
Options from $40.60
LotFancy 12x24x1 Air Filters, MERV 11 Pleated HVAC AC Furnace Air Filters, 6 Pack
244.7 out of 5 Stars. 24 reviews
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Filter King 12x24x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75" $27.48

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$2748
current price $27.48Filter King 12x24x1 Air Filter | 2-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75"
314.8 out of 5 Stars. 31 reviews
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Popular pick Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter $5.64
Popular pick

$564
current price $5.64Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 1 Filter
3354.6 out of 5 Stars. 335 reviews
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500+ bought since yesterday AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter $7.48 $1.87/ea
500+ bought since yesterday

9 options
Available in additional 9 options$748
current price $7.48$1.87/ea
Options from $7.48 – $14.96
AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter
124974.5 out of 5 Stars. 12497 reviews
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Best seller Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters $21.49 Was $24.88 $10.75/ea
Best seller

Now$2149
current price Now $21.49, Was $24.88$24.88
$10.75/ea
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Filters
5834.7 out of 5 Stars. 583 reviews
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Best seller Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter $16.49 Was $27.28
Best seller

Now$1649
current price Now $16.49, Was $27.28$27.28
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
5874.8 out of 5 Stars. 587 reviews
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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters $20.59 $5.15/ea

$2059
current price $20.59$5.15/ea
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
634.7 out of 5 Stars. 63 reviews
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LotFancy 12x24x1 Air Filters, 6 Pack, MERV 8 Pleated AC Furnace Filters $40.60 Was $75.99

3 options
Available in additional 3 optionsNow$4060
current price Now $40.60, Was $75.99$75.99
Options from $40.60 – $48.99
LotFancy 12x24x1 Air Filters, 6 Pack, MERV 8 Pleated AC Furnace Filters
244.7 out of 5 Stars. 24 reviews
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12 Pack of 12x24x1 MERV 10 Pleated Air Filters by Glasfloss. Actual Size: 11-3/8 x 23-3/8 x 7/8 $71.95

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$7195
current price $71.9512 Pack of 12x24x1 MERV 10 Pleated Air Filters by Glasfloss. Actual Size: 11-3/8 x 23-3/8 x 7/8
144.4 out of 5 Stars. 14 reviews
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Filter King 12x24x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75" $46.20

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$4620
current price $46.20Filter King 12x24x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75"
164.8 out of 5 Stars. 16 reviews
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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $13.44

$1344
current price $13.44Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5364.7 out of 5 Stars. 536 reviews
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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 2 Filters $26.28 $13.14/ea

$2628
current price $26.28$13.14/ea
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 2 Filters
5394.8 out of 5 Stars. 539 reviews
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12 X 24 X 1 Standard Pleated Air Filter FPR 5 $10.00

$1000
current price $10.0012 X 24 X 1 Standard Pleated Air Filter FPR 5
164.8 out of 5 Stars. 16 reviews
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Colorfil 12x24x1 Odor Removal and Color Changing Pleated AC Furnace Air Filter, MERV 8 (2-Pack) $37.99

15 options
Available in additional 15 options$3799
current price $37.99Options from $34.99
Colorfil 12x24x1 Odor Removal and Color Changing Pleated AC Furnace Air Filter, MERV 8 (2-Pack)
20564.7 out of 5 Stars. 2056 reviews
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Great Value; 12x24x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters $11.47

2 options
Available in additional 2 options$1147
current price $11.47Great Value; 12x24x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters
514.7 out of 5 Stars. 51 reviews
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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack $39.99 Was $56.86 $10.00/ea

Now$3999
current price Now $39.99, Was $56.86$56.86
$10.00/ea
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack
5124.8 out of 5 Stars. 512 reviews
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Only 1 left
Filterbuy 12x24x1 MERV 8 Pleated HVAC AC Furnace Air Filters (4-Pack) $35.96

$3596
current price $35.96Filterbuy 12x24x1 MERV 8 Pleated HVAC AC Furnace Air Filters (4-Pack)
3574.7 out of 5 Stars. 357 reviews
Free shipping, arrives Fri, Feb 6
Filtrete Air Filter, MPR 1600, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters (Pack of 4) $34.45

8 sizes
Available in additional 8 sizes$3445
current price $34.45Options from $34.45 – $75.00
Filtrete Air Filter, MPR 1600, MERV 12, Healthy Living Ultra-Allergen 3-Month Pleated 1-Inch Air Filters (Pack of 4)
14664.8 out of 5 Stars. 1466 reviews
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Simply Filters 12x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $38.99

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$3899
current price $38.99Options from $22.54
Simply Filters 12x24x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
5554.7 out of 5 Stars. 555 reviews
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Filter King 12x24x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75" $36.76

Sponsored
$3676
current price $36.76Filter King 12x24x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75"
174.8 out of 5 Stars. 17 reviews
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12x24x1 MERV 6 Poly Green AC Furnace Air Filter 6 Pack - Captures Dust/Pollen $51.11 Was $56.79

6 options
Available in additional 6 optionsNow$5111
current price Now $51.11, Was $56.79$56.79
Options from $30.83
12x24x1 MERV 6 Poly Green AC Furnace Air Filter 6 Pack - Captures Dust/Pollen
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Proairtek AF12241M08SWH Model 12x24x1 Pack of 6 Air Filters, MERV 8; Ideal for Anyone Wanting Crisp Air in Their Home $37.00

$3700
current price $37.00Proairtek AF12241M08SWH Model 12x24x1 Pack of 6 Air Filters, MERV 8; Ideal for Anyone Wanting Crisp Air in Their Home
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K&N 20x20x1 AC Furnace Air Filter; Lifetime Washable Reusable Filter; Merv 11; Filters Allergies, Pollen, Smoke, Dust, Pet Dander, Mold, Smog, and More; Breathe Clean Fresh Air: HVC-12020 $69.15 $69.15/oz

16 sizes
Available in additional 16 sizes$6915
current price $69.15$69.15/oz
Options from $58.88
K&N 20x20x1 AC Furnace Air Filter; Lifetime Washable Reusable Filter; Merv 11; Filters Allergies, Pollen, Smoke, Dust, Pet Dander, Mold, Smog, and More; Breathe Clean Fresh Air: HVC-12020
1624.4 out of 5 Stars. 162 reviews
Free shipping, arrives Thu, Feb 5
12x24x1 Air Filter 4 Pack, MERV 8 Pleated Dust Defense Air Filters Replacement Air Conditioner HVAC AC Furnace Filter, Durable and Lightweight $25.59 Was $29.99

Now$2559
current price Now $25.59, Was $29.99$29.99
12x24x1 Air Filter 4 Pack, MERV 8 Pleated Dust Defense Air Filters Replacement Air Conditioner HVAC AC Furnace Filter, Durable and Lightweight
34 out of 5 Stars. 3 reviews
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Clorox 12x24x1 Air Filter MERV 13 Virus & Bacteria Defense HVAC Furnace Filters, MPR 1900-2200 & FPR 9-10, 4 Count $43.99

2 sizes
Available in additional 2 sizes$4399
current price $43.99Options from $38.99
Clorox 12x24x1 Air Filter MERV 13 Virus & Bacteria Defense HVAC Furnace Filters, MPR 1900-2200 & FPR 9-10, 4 Count
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Air-Care 10x10x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8 $34.99

24 sizes
Available in additional 24 sizes$3499
current price $34.99Air-Care 10x10x1 Forever Filter, Allergen & Dust Reduction, Permanent Washable Electrostatic HVAC Furnace Air Filter, MERV 8
2994.5 out of 5 Stars. 299 reviews
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Filtrete 12x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 Actual Size 11.719x23.72x0.85 in $32.72

$3272
current price $32.72Filtrete 12x24x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, Pack of 2 Actual Size 11.719x23.72x0.85 in
Free shipping, arrives in 3+ days
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack $44.10 $7.35/ca

$4410
current price $44.10$7.35/ca
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
124.4 out of 5 Stars. 12 reviews
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Filter King 12x24x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 23.75 x .75" $53.28

Sponsored
$5328
current price $53.28Filter King 12x24x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.75 x 23.75 x .75"
164.8 out of 5 Stars. 16 reviews
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Filter King 12x24x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75" $31.59

Sponsored
$3159
current price $31.59Filter King 12x24x1 Air Filter | 3-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 23.5 x .75"
164.8 out of 5 Stars. 16 reviews
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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 12 Pack $48.91 $4.08/ca

$4891
current price $48.91$4.08/ca
Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 12 Pack
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PuroAir Mega Filter - MERV 13 20x20x1 Air Filters for Home $24.99

15 options
Available in additional 15 options$2499
current price $24.99Options from $24.99 – $79.99
PuroAir Mega Filter - MERV 13 20x20x1 Air Filters for Home
83.8 out of 5 Stars. 8 reviews
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Carrier Merv 10 1" Filter Pack 20X24X1-M10-C-P4 - Genuine OEM Replacement Part $25.38

12 sizes
Available in additional 12 sizes$2538
current price $25.38Options from $22.29
Carrier Merv 10 1" Filter Pack 20X24X1-M10-C-P4 - Genuine OEM Replacement Part
25 out of 5 Stars. 2 reviews
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20x20x2 Air Filter Comparable to MPR 100 Basic Economy Furnace Filters, 12 Pack of Non Pleated Fiberglass Filter For Dust - Low Airflow Restriction! From AIRX FILTERS WICKED CLEAN AIR. $92.39

43 sizes
Available in additional 43 sizes$9239
current price $92.39Options from $62.99
20x20x2 Air Filter Comparable to MPR 100 Basic Economy Furnace Filters, 12 Pack of Non Pleated Fiberglass Filter For Dust - Low Airflow Restriction! From AIRX FILTERS WICKED CLEAN AIR.
15 out of 5 Stars. 1 reviews
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Premium Reusable Air Filter 4 Pack 12x24x1 - Made in USA - Cut to Fit Washable AC & Furnace Filter for HVAC Systems - Durable, Cost-Effective Replacement Filter $27.95 Was $35.00

Now$2795
current price Now $27.95, Was $35.00$35.00
Premium Reusable Air Filter 4 Pack 12x24x1 - Made in USA - Cut to Fit Washable AC & Furnace Filter for HVAC Systems - Durable, Cost-Effective Replacement Filter
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Filterbuy 12x24x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (6-Pack) $35.96 Was $39.96 $5.99/count

Now$3596
current price Now $35.96, Was $39.96$39.96
$5.99/count
Filterbuy 12x24x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (6-Pack)
33.7 out of 5 Stars. 3 reviews
Free shipping, arrives Fri, Feb 6
LifeSupplyUSA 12x12x1 Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting $29.99 $29.99/count

13 sizes
Available in additional 13 sizes$2999
current price $29.99$29.99/count
Options from $29.99 – $47.99
LifeSupplyUSA 12x12x1 Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting
204.4 out of 5 Stars. 20 reviews
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(2 pack) Filterbuy 12x24x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack) $21.94 $10.97/count

$2194
current price $21.94$10.97/count
(2 pack) Filterbuy 12x24x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
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LotFancy 12x24x1 Air Filters, 4 Pack, MERV 8 Pleated HVAC AC Furnace Filters $29.59 Was $53.99

3 options
Available in additional 3 optionsNow$2959
current price Now $29.59, Was $53.99$53.99
Options from $29.59 – $42.99
LotFancy 12x24x1 Air Filters, 4 Pack, MERV 8 Pleated HVAC AC Furnace Filters
184.2 out of 5 Stars. 18 reviews
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Filterbuy 12x24x1 MERV 13 Health Defense, Pleated HVAC AC Furnace Air Filters (1-Pack) $18.33 $18.33/count

$1833
current price $18.33$18.33/count
Filterbuy 12x24x1 MERV 13 Health Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
54.4 out of 5 Stars. 5 reviews
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MERV 11, 12x24x1, (4-Pack - $9.00/ea filter)- Americas #1 Pleated HVAC Air Filter by KorganoTech $36.00

$3600
current price $36.00MERV 11, 12x24x1, (4-Pack - $9.00/ea filter)- Americas #1 Pleated HVAC Air Filter by KorganoTech
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Filtrete 14x25x1 Air Filter, 3M MERV 5 HVAC AC Furnace Filter Replacement, 6-Pack (Actual Size 13.81x24.81x0.88 in) $32.99 $5.50/count

16 sizes
Available in additional 16 sizes$3299
current price $32.99$5.50/count
Options from $32.99 – $38.99
Filtrete 14x25x1 Air Filter, 3M MERV 5 HVAC AC Furnace Filter Replacement, 6-Pack (Actual Size 13.81x24.81x0.88 in)
434.2 out of 5 Stars. 43 reviews
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Furnace Filter 12x24x1, EZ Flow II Spun Fiberglass Filters, MERV 4, 30 Day Filter, Flat Panel, Disposable Air Filter for HVAC Systems $45.43

$4543
current price $45.43Furnace Filter 12x24x1, EZ Flow II Spun Fiberglass Filters, MERV 4, 30 Day Filter, Flat Panel, Disposable Air Filter for HVAC Systems
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Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack $21.49

$2149
current price $21.49Filtrete 12x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack
4924.7 out of 5 Stars. 492 reviews
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Filtrete 12x24x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 Filter $18.47

2 options
Available in additional 2 options$1847
current price $18.47Options from $18.47 – $36.94
Filtrete 12x24x1 Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 1 Filter
6174.8 out of 5 Stars. 617 reviews
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Filtrete 14x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Ultimate Allergen Reduction, 4 Pack $69.99

$6999
current price $69.99Filtrete 14x20x1 HVAC Furnace Air Filter, MPR 1900 MERV 13, Ultimate Allergen Reduction, 4 Pack
6544.8 out of 5 Stars. 654 reviews
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MERV 13, 12X24X1, (4-Pack, $9.75 each Filter)-Americas #1 Pleated HVAC Air Filter by KorganoTech $39.00

$3900
current price $39.00MERV 13, 12X24X1, (4-Pack, $9.75 each Filter)-Americas #1 Pleated HVAC Air Filter by KorganoTech
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