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12x12x1 Air Filters in Furnace Air Filters(222)
Uses item details. Price when purchased online
Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack) $32.97

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$3297
current price $32.97Options from $19.99
Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (6 Pack)
5234.7 out of 5 Stars. 523 reviews
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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)
2695 out of 5 Stars. 269 reviews
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Free shipping, arrives Mon, Feb 23
Filterbuy 12x12x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack) $26.78 Was $29.76

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Now$2678
current price Now $26.78, Was $29.76$29.76
Filterbuy 12x12x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
2854.9 out of 5 Stars. 285 reviews
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Simply Filters 12x12x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter (2 Pack) $31.97

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$3197
current price $31.97Options from $29.96
Simply Filters 12x12x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter (2 Pack)
35 out of 5 Stars. 3 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
128484.5 out of 5 Stars. 12848 reviews
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Best seller Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter $16.48 Was $18.47
Best seller

Now$1648
current price Now $16.48, Was $18.47$18.47
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
5674.8 out of 5 Stars. 567 reviews
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Great Value, 12x12x1, MERV 8 GOOD HVAC Air and Furnace Filter, Captures Dust, 2 Filters $8.44

$844
current price $8.44Great Value, 12x12x1, MERV 8 GOOD HVAC Air and Furnace Filter, Captures Dust, 2 Filters
184.9 out of 5 Stars. 18 reviews
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Shipping arrives Tue, Feb 24
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $13.44

$1344
current price $13.44Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
5164.7 out of 5 Stars. 516 reviews
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Shipping arrives Mon, Feb 23
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters $19.75 $4.94/ea

$1975
current price $19.75$4.94/ea
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
534.8 out of 5 Stars. 53 reviews
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Shipping arrives Mon, Feb 23
Proairtek AF12121M08SWH Model 12x12x1 Pack of 2 Air Filters, MERV 8; Ideal for Anyone Wanting Crisp Air in Their Home $14.98

$1498
current price $14.98Proairtek AF12121M08SWH Model 12x12x1 Pack of 2 Air Filters, MERV 8; Ideal for Anyone Wanting Crisp Air in Their Home
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Simply Filters 12x12x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (2 Pack) $29.97

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$2997
current price $29.97Options from $24.97
Simply Filters 12x12x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (2 Pack)
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Aerostar 12x12x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack $24.99

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$2499
current price $24.99Options from $24.99 – $60.52
Aerostar 12x12x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack
254.6 out of 5 Stars. 25 reviews
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Filterbuy 12x12x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack) $26.78 Was $29.76

Now$2678
current price Now $26.78, Was $29.76$29.76
Filterbuy 12x12x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (4-Pack)
2854.9 out of 5 Stars. 285 reviews
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Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack $33.00

$3300
current price $33.00Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack
4924.7 out of 5 Stars. 492 reviews
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Shipping arrives Mon, Feb 23
BNX TruFilter 14x14x1 Air Filter MERV 8 (6-Pack) - MADE IN USA – Dust & Pet Defense Pleated Air Conditioner HVAC AC Furnace Filters for Dust, Pet, Mold, Pollen MPR 600 – 700 & FPR 5 $29.99

21 sizes
Available in additional 21 sizes$2999
current price $29.99Options from $29.99 – $52.99
BNX TruFilter 14x14x1 Air Filter MERV 8 (6-Pack) - MADE IN USA – Dust & Pet Defense Pleated Air Conditioner HVAC AC Furnace Filters for Dust, Pet, Mold, Pollen MPR 600 – 700 & FPR 5
35 out of 5 Stars. 3 reviews
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Shipping arrives Mon, Feb 23
Aerostar 12x12x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack $24.99

2 options
Available in additional 2 options$2499
current price $24.99Options from $24.99 – $60.52
Aerostar 12x12x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack
254.6 out of 5 Stars. 25 reviews
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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

18 sizes
Available in additional 18 sizes$2999
current price $29.99$29.99/count
Options from $29.99 – $52.99
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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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
2695 out of 5 Stars. 269 reviews
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Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack $40.71 $6.79/ca

$4071
current price $40.71$6.79/ca
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 700 MERV 8, Dust, Pollen, and Pet Dander Reduction, 6 Pack
33.7 out of 5 Stars. 3 reviews
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Free shipping, arrives Mon, Feb 23
Filterbuy 12x12x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack) $10.97 $10.97/count

$1097
current price $10.97$10.97/count
Filterbuy 12x12x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (1-Pack)
15 out of 5 Stars. 1 reviews
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Shipping arrives Mon, Feb 23
6 Pack of 12x12x1 MERV 10 Pleated Air Filters by Glasfloss. Actual Size: 11-1/2 x 11-1/2 x 7/8 $42.95

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$4295
current price $42.956 Pack of 12x12x1 MERV 10 Pleated Air Filters by Glasfloss. Actual Size: 11-1/2 x 11-1/2 x 7/8
54.4 out of 5 Stars. 5 reviews
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Top rated for dog hair Colorfil 16x20x1 Odor Removal and Color Changing Pleated AC Furnace Air Filter, MERV 8 (2-Pack) $37.99
Top rated for dog hair

Sponsored
$3799
current price $37.99Options from $34.99
Colorfil 16x20x1 Odor Removal and Color Changing Pleated AC Furnace Air Filter, MERV 8 (2-Pack)
20744.7 out of 5 Stars. 2074 reviews
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Air Filter MERV 10 (2-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (10x20x1 2-pack), SB9730 $19.99

9 sizes
Available in additional 9 sizes$1999
current price $19.99Options from $19.99 – $34.99
Air Filter MERV 10 (2-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (10x20x1 2-pack), SB9730
73.9 out of 5 Stars. 7 reviews
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Great Value; 12x12x1; MERV 13 BEST HVAC Air and Furnace Filter; Improves Indoor Air Quality; 2 Filters $21.70

$2170
current price $21.70Great Value; 12x12x1; MERV 13 BEST HVAC Air and Furnace Filter; Improves Indoor Air Quality; 2 Filters
65 out of 5 Stars. 6 reviews
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Shipping arrives Mon, Feb 23
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
3084.5 out of 5 Stars. 308 reviews
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12x12x1 Air Filter MERV 8 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (12x12x1 4-Pack) $24.99

$2499
current price $24.9912x12x1 Air Filter MERV 8 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (12x12x1 4-Pack)
11 out of 5 Stars. 1 reviews
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Simply Filters 12x12x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (2 Pack) $29.97

6 options
Available in additional 6 options$2997
current price $29.97Options from $24.97
Simply Filters 12x12x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter (2 Pack)
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AIRx Filters 12x12x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Allergy 4-Pack Made in the USA $30.44

$3044
current price $30.44AIRx Filters 12x12x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Allergy 4-Pack Made in the USA
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BNX TruFilter 14x20x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Dust, Pet, Smoke, Allergy MPR 1200 FPR 7 $43.99

29 sizes
Available in additional 29 sizes$4399
current price $43.99Options from $42.99
BNX TruFilter 14x20x1 Air Filter MERV 11 (6-Pack) - MADE IN USA - Allergen Defense Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters for Allergies, Dust, Pet, Smoke, Allergy MPR 1200 FPR 7
84.5 out of 5 Stars. 8 reviews
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Free shipping, arrives Mon, Feb 23
12 X 12 X 1 Standard Pleated Air Filter FPR 5 $14.67

$1467
current price $14.6712 X 12 X 1 Standard Pleated Air Filter FPR 5
25 out of 5 Stars. 2 reviews
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AIRx Filters 12x12x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Allergy 4-Pack Made in the USA $30.44

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$3044
current price $30.44AIRx Filters 12x12x1 Air Filter MERV 11 Pleated HVAC AC Furnace Air Filter, Allergy 4-Pack Made in the USA
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Filterbuy 12x12x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (12-Pack) $69.96

Sponsored
$6996
current price $69.96Filterbuy 12x12x1 MERV 8 Dust Defense, Pleated HVAC AC Furnace Air Filters (12-Pack)
194.9 out of 5 Stars. 19 reviews
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Proairtek AF12121M08SWH Model 12x12x1 Air Filter, MERV 8; Ideal for Anyone Wanting Clean, Crisp Air in Their Home $13.50

$1350
current price $13.50Proairtek AF12121M08SWH Model 12x12x1 Air Filter, MERV 8; Ideal for Anyone Wanting Clean, Crisp Air in Their Home
Free shipping, arrives in 3+ days
Medify Air 12x12x1 Air Filter, MERV 14 Pleated with HEPA, HVAC Furnace Filter, 2-Pack $58.99

7 options
Available in additional 7 options$5899
current price $58.99Options from $38.99
Medify Air 12x12x1 Air Filter, MERV 14 Pleated with HEPA, HVAC Furnace Filter, 2-Pack
204.9 out of 5 Stars. 20 reviews
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Free shipping, arrives Tue, Feb 24
Great Value; 12x12x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters $19.13

2 options
Available in additional 2 options$1913
current price $19.13Great Value; 12x12x1; MERV 11 BETTER HVAC Air and Furnace Filter; Reduces Allergens; 2 Filters
414.9 out of 5 Stars. 41 reviews
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Shipping arrives Mon, Feb 23
Filter King 12x12x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75" $31.48

$3148
current price $31.48Filter King 12x12x1 Air Filter | 4-PACK | MERV 13 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75"
634.7 out of 5 Stars. 63 reviews
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Rollback Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack $46.88 Was $71.91 $11.72/ea
Rollback

Now$4688
current price Now $46.88, Was $71.91$71.91
$11.72/ea
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria, Virus, 4 Pack
5174.8 out of 5 Stars. 517 reviews
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Free shipping, arrives Mon, Feb 23
Only 6 left
Rollback Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 2 Pack $26.28 Was $29.28
Rollback

Now$2628
current price Now $26.28, Was $29.28$29.28
Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Advanced Allergen Reduction, 2 Pack
4584.8 out of 5 Stars. 458 reviews
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Shipping arrives Mon, Feb 23
Filterbuy 12x12x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (2-Pack) $30.98

$3098
current price $30.98Filterbuy 12x12x1 MERV 11 Allergen Defense, Pleated HVAC AC Furnace Air Filters (2-Pack)
304.7 out of 5 Stars. 30 reviews
Free shipping, arrives in 3+ days
Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack) $19.99

6 options
Available in additional 6 options$1999
current price $19.99Options from $19.99 – $119.97
Simply Filters 12x12x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter (2 Pack)
5234.7 out of 5 Stars. 523 reviews
Free shipping, arrives in 3+ days
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)
20744.7 out of 5 Stars. 2074 reviews
Free shipping, arrives in 3+ days
12x12x1 Air Filter MERV 11 Comparable to MPR 1000, MPR 1200 & FPR 7 Electrostatic Pleated Air Conditioner Filter 4 Pack HVAC Premium USA Made 12x12x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR. $30.44

$3044
current price $30.4412x12x1 Air Filter MERV 11 Comparable to MPR 1000, MPR 1200 & FPR 7 Electrostatic Pleated Air Conditioner Filter 4 Pack HVAC Premium USA Made 12x12x1 Furnace Filters by AIRX FILTERS WICKED CLEAN AIR.
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Filter King 12x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75" $26.20

$2620
current price $26.20Filter King 12x12x1 Air Filter | 4-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75"
714.8 out of 5 Stars. 71 reviews
Free shipping, arrives in 3+ days
Filter King 12x12x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75" $38.84

$3884
current price $38.84Filter King 12x12x1 Air Filter | 4-PACK | MERV 11 HVAC Pleated A/C Furnace Filters | MADE IN USA | Actual Size: 11.5 x 11.5 x .75"
474.8 out of 5 Stars. 47 reviews
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12x12x1 1-Pack Air Filter MERV 11Pleated HVAC/AC/Furnace Replacement Filters, Comparable to MPR 1200 & FPR 7 $14.99

$1499
current price $14.9912x12x1 1-Pack Air Filter MERV 11Pleated HVAC/AC/Furnace Replacement Filters, Comparable to MPR 1200 & FPR 7
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Air Filter - Furnace/HVAC, 12x12x1, MERV 11 - 5-Pack, Reusable ABS Frame - Pleated PET/PP $24.99

$2499
current price $24.99Air Filter - Furnace/HVAC, 12x12x1, MERV 11 - 5-Pack, Reusable ABS Frame - Pleated PET/PP
Free shipping, arrives in 3+ days
Air Filter MERV 10 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (14x20x1 4-Pack), SB12617 $29.99

11 sizes
Available in additional 11 sizes$2999
current price $29.99Options from $29.99 – $64.99
Air Filter MERV 10 (4-Pack) - Pleated Air Conditioner HVAC AC Furnace Air Filters Replacement (14x20x1 4-Pack), SB12617
25 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days
Aerostar 12x12x1 MERV 8, Air Filter, 12x12x1, Box of 4 $26.77 Was $29.75 $6.69/count

Now$2677
current price Now $26.77, Was $29.75$29.75
$6.69/count
Aerostar 12x12x1 MERV 8, Air Filter, 12x12x1, Box of 4
314.7 out of 5 Stars. 31 reviews
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TRIGHTFILTERS 12x12x1 Air Filter 4 Pack MERV 8 Pleated HVAC AC Furnace Air Filters Durable $19.79

$1979
current price $19.79TRIGHTFILTERS 12x12x1 Air Filter 4 Pack MERV 8 Pleated HVAC AC Furnace Air Filters Durable
Free shipping, arrives in 3+ days
Filtrete 16x25x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-Pack $76.75

13 options
Available in additional 13 options$7675
current price $76.75Options from $45.96
Filtrete 16x25x1, AC Furnace Air Filter, MPR 1000, Micro Allergen Defense, 6-Pack
204.4 out of 5 Stars. 20 reviews
Free shipping, arrives in 3+ days