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Filterbuy 18x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
Filterbuy 18x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)

$35.52

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18x20x1 Aluminum Electrostatic Air Filter for Furnace & Central Air Conditioner
18x20x1 Aluminum Electrostatic Air Filter for Furnace & Central Air Conditioner

$37.99

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Filtrete 18x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters
Filtrete 18x20x1 Air Filter, MPR 300 MERV 5, Dust Reduction, 4 Filters

$39.90

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Simply Filters 18x20x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 18x20x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$154.97

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(3-PACK) 18x20x1 Air Filter Pleated Standard AC Furnace Filtro de aire Plisados
(3-PACK) 18x20x1 Air Filter Pleated Standard AC Furnace Filtro de aire Plisados

$14.77

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Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack New
Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack New

$13.96

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18 x 18 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
18 x 18 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$14.46

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18"x 20"x 1" 2-Pack AC ,Vent , Furnace Rigid Washable Air Filter
18"x 20"x 1" 2-Pack AC ,Vent , Furnace Rigid Washable Air Filter

$25.11

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18x20x1 Inch Standard Pleated Air Filter FPR 5, MERV 8 Moisture Resistant Frame
18x20x1 Inch Standard Pleated Air Filter FPR 5, MERV 8 Moisture Resistant Frame

$6.12

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BNX TruFilter 18x20x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostat...
BNX TruFilter 18x20x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostat...

$59.13

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18x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack. Made in USA.
18x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack. Made in USA.

$39.97

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3-Pack Standard Pleated Air Filter 18x20x1, Air Filters Replacement FPR 5 MERV 8
3-Pack Standard Pleated Air Filter 18x20x1, Air Filters Replacement FPR 5 MERV 8

$14.39

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Filter King 18x20x1 Air Filter 12-PACK MERV 13 Actual Size 18 x 20 x .75"
Filter King 18x20x1 Air Filter 12-PACK MERV 13 Actual Size 18 x 20 x .75"

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PERMANENT WASHABLE ELECTROSTATIC FURNACE AC AIR FILTER Dust Electronic
PERMANENT WASHABLE ELECTROSTATIC FURNACE AC AIR FILTER Dust Electronic

$49.95

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Filtrete 18x20x1 Air Filter MPR 1000 MERV 11, Allergen 4-Pack
Filtrete 18x20x1 Air Filter MPR 1000 MERV 11, Allergen 4-Pack

$39.99

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Accumulair Gold 18x20x1 MERV 8 Air Filter (4 Pack)
Accumulair Gold 18x20x1 MERV 8 Air Filter (4 Pack)

$44.74

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18x20x1 Air Filter Glasfloss GDS Series Disposable - Box of 6
18x20x1 Air Filter Glasfloss GDS Series Disposable - Box of 6

$40.85

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18 x 30 x 1 Standard Pleated Air Filter FPR 5, Air Filters Replacement, 1 Pack
18 x 30 x 1 Standard Pleated Air Filter FPR 5, Air Filters Replacement, 1 Pack

$7.15

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1 PACK or 3 PACK - Air Filter Standard Pleated FPR 5 Dust Filters Furnace AC
1 PACK or 3 PACK - Air Filter Standard Pleated FPR 5 Dust Filters Furnace AC

$12.77

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18"x 20"x 1" 2-Pack AC Furnace Air Filter Rigid Washable Cut to Fit
18"x 20"x 1" 2-Pack AC Furnace Air Filter Rigid Washable Cut to Fit

$23.51

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New 18x20x1 Air Filter Standard Pleated Furnace Ac (3-pack) Best Filtro De Aire
New 18x20x1 Air Filter Standard Pleated Furnace Ac (3-pack) Best Filtro De Aire

$12.08

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1" Inch Glasfloss ZL MERV 10 Pleated Air Filters for AC & Furnace. 6 Pack
1" Inch Glasfloss ZL MERV 10 Pleated Air Filters for AC & Furnace. 6 Pack

$44.98

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Flanders Air Filters,20" x 20" x 1" Precisionaire Nested Glass - ( 12 Pack )
Flanders Air Filters,20" x 20" x 1" Precisionaire Nested Glass - ( 12 Pack )

$23.97

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16 x 20 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
16 x 20 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$16.89

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(3-PACK) 18x20x1 - Standard Pleated Furnace Air Filter FPR 5, MERV 8
(3-PACK) 18x20x1 - Standard Pleated Furnace Air Filter FPR 5, MERV 8

$11.45

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(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados
(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados

$17.99

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Permanent Washable Electrostatic Furnace Ac Air Filter Replacement Multi Sizes
Permanent Washable Electrostatic Furnace Ac Air Filter Replacement Multi Sizes

$38.99

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18 X 24 X 1 Standard Pleated Air Filter FPR 5 3-Pack Non-Electrostatic Cardboard
18 X 24 X 1 Standard Pleated Air Filter FPR 5 3-Pack Non-Electrostatic Cardboard

$13.29

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Filterbuy 18x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)
Filterbuy 18x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)

$163.68

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Filter King 18x20x1 Air Filter 4-PACK MERV 13 Actual Size 18 x 20 x .75"
Filter King 18x20x1 Air Filter 4-PACK MERV 13 Actual Size 18 x 20 x .75"

$68.79

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Filter King 18x20x1 Air Filter 12-PACK MERV 8 Actual Size 17.5 x 19.5 x .75"
Filter King 18x20x1 Air Filter 12-PACK MERV 8 Actual Size 17.5 x 19.5 x .75"

$99.99

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Filter King 18x20x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 19.5 x .75"
Filter King 18x20x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 19.5 x .75"

$39.96

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18 x 20 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
18 x 20 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$14.35

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18x20x1 Inch Standard Pleated Air Filter FPR 5, MERV 8 Moisture Resistant Frame
18x20x1 Inch Standard Pleated Air Filter FPR 5, MERV 8 Moisture Resistant Frame

$6.12

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20x20x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 19-1/2 x 19-1/2 x 7/8
20x20x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 19-1/2 x 19-1/2 x 7/8

$58.97

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18 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8
18 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8

$14.07

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Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack New
Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack New

$14.49

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Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack
Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack

$13.49

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Simply Filters 18x20x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 18x20x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$189.97

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Simply Filters 18x20x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 18x20x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$169.97

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18 In. X 20 In. X 1 In. Standard Pleated Air Filter FPR 5, MERV 8
18 In. X 20 In. X 1 In. Standard Pleated Air Filter FPR 5, MERV 8

$6.76

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Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack New
Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack New

$13.40

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Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5, 1-Pack New
Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5, 1-Pack New

$7.72

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(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados
(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados

$15.20

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18 X 20 X 1 Inches Standard Pleated Air Filter FPR 5 Furnace AC
18 X 20 X 1 Inches Standard Pleated Air Filter FPR 5 Furnace AC

$18.78

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Filtrete 18x20x1 AC Furnace Air Filter MPR 1000 Micro Allergen Defense 4-Pac b
Filtrete 18x20x1 AC Furnace Air Filter MPR 1000 Micro Allergen Defense 4-Pac b

$59.01

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18x20x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 19-1/2 x 7/8
18x20x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 19-1/2 x 7/8

$71.97

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(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados
(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados

$14.21

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1" Inch Glasfloss ZL MERV 10 Pleated Air Filters for AC & Furnace. Case of 12
1" Inch Glasfloss ZL MERV 10 Pleated Air Filters for AC & Furnace. Case of 12

$72.65

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(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados
(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados

$15.08

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18x20x1 in. Standard Pleated Furnace Replacement Air Filter FPR 5 Merv 8 3-Pack
18x20x1 in. Standard Pleated Furnace Replacement Air Filter FPR 5 Merv 8 3-Pack

$14.35

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18 In. X 24 In. X 1 In. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pac
18 In. X 24 In. X 1 In. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pac

$7.20

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NEW CASE OF (12) USA MADE 18x20x1 AIR FURNACE FILTER HVAC FILTERS NEW 6953806
NEW CASE OF (12) USA MADE 18x20x1 AIR FURNACE FILTER HVAC FILTERS NEW 6953806

$28.99

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18"x 18"x 1" 2 pack AC Furnace Air Filter Rigid Washable Cut to Fit
18"x 18"x 1" 2 pack AC Furnace Air Filter Rigid Washable Cut to Fit

$20.47

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20 x 30 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
20 x 30 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$15.49

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18 x 30 x 1 Standard Pleated Air Filter FPR 5, Air Filters Replacement, 1 Pack
18 x 30 x 1 Standard Pleated Air Filter FPR 5, Air Filters Replacement, 1 Pack

$7.47

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18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 3 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 3 Pack

$41.99

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18 in. x 20 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8
18 in. x 20 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8

$6.00

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Honeywell 18x20x1 Superior Allergen Air Filter - Box of 12
Honeywell 18x20x1 Superior Allergen Air Filter - Box of 12

$50.00

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18X20X1 Air Filter Standard Pleated FPR 5 Dust & Pollen High Quality (3-Pack)
18X20X1 Air Filter Standard Pleated FPR 5 Dust & Pollen High Quality (3-Pack)

$14.35

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Filters Fast 18x20x1 MERV 8, 1 Inch Pleated HVAC AC Furnace Air Filters, 6 Pack
Filters Fast 18x20x1 MERV 8, 1 Inch Pleated HVAC AC Furnace Air Filters, 6 Pack

$62.99

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18X20X1 Air Filter Standard Pleated FPR 5 Dust & Pollen High Quality (3-Pack)
18X20X1 Air Filter Standard Pleated FPR 5 Dust & Pollen High Quality (3-Pack)

$14.24

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New 18x20x1 Air Filter Standard Pleated Furnace Ac (3-pack) Best Filtro De Aire
New 18x20x1 Air Filter Standard Pleated Furnace Ac (3-pack) Best Filtro De Aire

$14.35

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20 in. x 20 in. x 1 in. Permanent Washable Air Filter Merv 8
20 in. x 20 in. x 1 in. Permanent Washable Air Filter Merv 8

$30.00

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AAF/FLANDERS Naturalaire Air Filter 18" X 20" X 1" Pleated MERV 8 - 84858011820
AAF/FLANDERS Naturalaire Air Filter 18" X 20" X 1" Pleated MERV 8 - 84858011820

$14.95

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Flanders Air Filters, 20" x 25" x 1" Precisionaire Nested Glass - ( 12 Pack )
Flanders Air Filters, 20" x 25" x 1" Precisionaire Nested Glass - ( 12 Pack )

$21.97

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18x18x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack. Made in USA
18x18x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack. Made in USA

$39.97

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18X20X1 Air Filter Standard Pleated FPR 5 Dust & Pollen High Quality (3-Pack)
18X20X1 Air Filter Standard Pleated FPR 5 Dust & Pollen High Quality (3-Pack)

$14.35

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Filterbuy Allergen Odor Eliminator 18x20x1 MERV 8 Pleated AC Furnace Air Filter
Filterbuy Allergen Odor Eliminator 18x20x1 MERV 8 Pleated AC Furnace Air Filter

$52.30

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18x20x1 MERV 10 HVAC/Furnace pleated air filter (12)
18x20x1 MERV 10 HVAC/Furnace pleated air filter (12)

$88.99

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18x20x1 MERV 8 Pleated Air Filters by Mann+Hummel. 4 Pack.
18x20x1 MERV 8 Pleated Air Filters by Mann+Hummel. 4 Pack.

$32.97

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20 x 24 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
20 x 24 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$13.49

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18x20x1 (17_1/2x19_1/2) Pleated MERV 10 Air Filters 2 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 10 Air Filters 2 Pack

$32.99

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18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 6 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 6 Pack

$57.99

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(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados
(3-PACK) 18x20x1 Air Filter Standard Pleated Furnace AC Filtro de aire Plisados

$13.63

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Flanders NaturalAire 18x20x1 MERV 8 Pack of 11 Pre Pleat Air Filter Furnace HVAC
Flanders NaturalAire 18x20x1 MERV 8 Pack of 11 Pre Pleat Air Filter Furnace HVAC

$14.99

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18x20x1 Air Filter Glasfloss ZL Series MERV 10 - Box of 6
18x20x1 Air Filter Glasfloss ZL Series MERV 10 - Box of 6

$51.41

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18x20x1 MERV 6 Poly Green AC Furnace Air Filter 2 Pack - Captures Dust/Pollen
18x20x1 MERV 6 Poly Green AC Furnace Air Filter 2 Pack - Captures Dust/Pollen

$31.37

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BOX OF 6 AIRx HEALTH 18x20x1 MERV 13 Pleated Air Conditioner AC Filters!
BOX OF 6 AIRx HEALTH 18x20x1 MERV 13 Pleated Air Conditioner AC Filters!

$49.99

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18x20x1 MERV 6 Poly Green AC Furnace Air Filter 6 Pack - Captures Dust/Pollen
18x20x1 MERV 6 Poly Green AC Furnace Air Filter 6 Pack - Captures Dust/Pollen

$53.05

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18x20x1 Air Filter Glasfloss GDS Series Disposable - Box of 12
18x20x1 Air Filter Glasfloss GDS Series Disposable - Box of 12

$64.91

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18x20x1 Air Filter Glasfloss ZL Series MERV 10 - Box of 12
18x20x1 Air Filter Glasfloss ZL Series MERV 10 - Box of 12

$87.90

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20 x 30 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
20 x 30 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$16.89

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20 x 24 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
20 x 24 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$16.72

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1-Pack Standard Pleated Air Filter 18x20x1, Air Filters Replacement FPR 5 MERV 8
1-Pack Standard Pleated Air Filter 18x20x1, Air Filters Replacement FPR 5 MERV 8

$7.72

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18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 2 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 2 Pack

$33.49

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1" Inch Depth Glasfloss ZL MERV 10 Pleated Air Filters. 3 Pack
1" Inch Depth Glasfloss ZL MERV 10 Pleated Air Filters. 3 Pack

$29.29

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Standard Pleated Furnace Air Filter Dust FPR 5 (3-Pack) 12 X 20 X 1 MERV 8
Standard Pleated Furnace Air Filter Dust FPR 5 (3-Pack) 12 X 20 X 1 MERV 8

$16.72

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16 x 20 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
16 x 20 x 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$17.15

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18x18x1 Air Filter Standard Pleated Furnace AC FPR 5 MERV 8 (1-3 PACK)
18x18x1 Air Filter Standard Pleated Furnace AC FPR 5 MERV 8 (1-3 PACK)

$7.18

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BNX TruFilter 18x20x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostat...
BNX TruFilter 18x20x1 Air Filter MERV 13 (4-Pack) - MADE IN USA - Electrostat...

$64.24

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18x20x1 (17_1/2x19_1/2) Pleated MERV 8 Air Filters 6 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 8 Air Filters 6 Pack

$55.49

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4-Pack Fiberglass Air Filter 20 x 25 x 1, Air Filters Replacement FPR 1 MERV 2
4-Pack Fiberglass Air Filter 20 x 25 x 1, Air Filters Replacement FPR 1 MERV 2

$11.45

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Filterbuy 18x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
Filterbuy 18x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

$69.84

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Glasfloss ZL 18x20x1 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.
Glasfloss ZL 18x20x1 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.

$34.97

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(4 Pack) Filtrete 18x20x1 Air Filter, MPR 800 MERV 10, Micro Particle Reduction
(4 Pack) Filtrete 18x20x1 Air Filter, MPR 800 MERV 10, Micro Particle Reduction

$49.98

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10PCS - 8X20X1 AMERICAN INTERNATIONAL AIR FILTERS AAF PERFECT PLEAT filter
10PCS - 8X20X1 AMERICAN INTERNATIONAL AIR FILTERS AAF PERFECT PLEAT filter

$59.95

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Glasfloss ZL 18x20x2 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.
Glasfloss ZL 18x20x2 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.

$39.97

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Glasfloss 18x20x1 - MERV 10 - Pack of 12 - Furnace Air Filter - Made in USA
Glasfloss 18x20x1 - MERV 10 - Pack of 12 - Furnace Air Filter - Made in USA

$112.99

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Filter King 18x20x1 Air Filter 6-PACK MERV 13 Actual Size 18 x 20 x .75"
Filter King 18x20x1 Air Filter 6-PACK MERV 13 Actual Size 18 x 20 x .75"

$69.00

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