18x30x1-furnace-filter

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Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)

$36.15

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

$54.95

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18x30x1 (17.75 x 29.75) MERV 11 Air Filters (6 Pack)
18x30x1 (17.75 x 29.75) MERV 11 Air Filters (6 Pack)

$41.24

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Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)
Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)

$34.36

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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

$7.00

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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

$9.85

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Ventaerex AC Air Furnace Filters - Cut to Fit - Washable Filters
Ventaerex AC Air Furnace Filters - Cut to Fit - Washable Filters

$19.99

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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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AAF Flanders Fiberglass Furnace Filter 18 x 30 x 1 in
AAF Flanders Fiberglass Furnace Filter 18 x 30 x 1 in

$4.89

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Filtrete Air-Filter Basic Pleated Furnace Replacement Pad Dust Pack Lot 3M 6 12
Filtrete Air-Filter Basic Pleated Furnace Replacement Pad Dust Pack Lot 3M 6 12

$12.99

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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

$7.58

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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

$7.48

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Aerostar 18x30x1 MERV 8 Furnace Air Filter, 2 Pack
Aerostar 18x30x1 MERV 8 Furnace Air Filter, 2 Pack

$27.30

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Aerostar 18x30x1 MERV 8 Furnace Air Filter, 4 Pack
Aerostar 18x30x1 MERV 8 Furnace Air Filter, 4 Pack

$36.31

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18x30x1 MERV 8 Air Filter/Furnace Filters (4 Pack)
18x30x1 MERV 8 Air Filter/Furnace Filters (4 Pack)

$37.62

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Filterbuy Allergen Odor Eliminator 18x30x1 MERV 8 Pleated AC Furnace Air Filter
Filterbuy Allergen Odor Eliminator 18x30x1 MERV 8 Pleated AC Furnace Air Filter

$273.12

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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

$24.40

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18x30x1 in.Standard Performance Pleated Hvac Furnace Air Filter Fpr 5 Merv 8
18x30x1 in.Standard Performance Pleated Hvac Furnace Air Filter Fpr 5 Merv 8

$7.38

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18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter HDX
18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter HDX

$7.90

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AAF Flanders 10055.01183 Fiberglass Furnace Filter 18 x 30 x 1 in. (Pack of 12)
AAF Flanders 10055.01183 Fiberglass Furnace Filter 18 x 30 x 1 in. (Pack of 12)

$53.40

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1-Pack Standard Pleated Air Filter 18x30x1, Air Filters Replacement FPR 5 MERV 8
1-Pack Standard Pleated Air Filter 18x30x1, Air Filters Replacement FPR 5 MERV 8

$7.72

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12 PPA 118301 18" x 30" x 1" Fiberglass Furnace Filter |
12 PPA 118301 18" x 30" x 1" Fiberglass Furnace Filter |

$75.06

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18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter HDX
18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter HDX

$10.99

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18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter
18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter

$7.73

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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

$7.77

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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

$24.40

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K&N 18X30X1 HVAC Furnace Air Filter, Breathe Safely, Wash, Merv 8, HVC-8-11830
K&N 18X30X1 HVAC Furnace Air Filter, Breathe Safely, Wash, Merv 8, HVC-8-11830

$59.99

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Aerostar 18x30x1 MERV 8 Furnace Air Filter, 6 Pack
Aerostar 18x30x1 MERV 8 Furnace Air Filter, 6 Pack

$57.11

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Filter King 18x30x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 29.5 x .75"
Filter King 18x30x1 Air Filter 4-PACK MERV 8 Actual Size 17.5 x 29.5 x .75"

$43.92

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Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

$199.08

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Simply Filters 18x30x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 18x30x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$249.99

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Filter King 18x30x1 Air Filter 6-PACK MERV 8 Actual Size 17.5 x 29.5 x .75"
Filter King 18x30x1 Air Filter 6-PACK MERV 8 Actual Size 17.5 x 29.5 x .75"

$65.28

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Simply Filters 18x30x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 18x30x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$57.99

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18x30x1 in. Allergen Plus Furnace Pleated Air Filter Performance FPR 7 MERV 11
18x30x1 in. Allergen Plus Furnace Pleated Air Filter Performance FPR 7 MERV 11

$17.60

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18x30x1 Air Filter Glasfloss GDS Series Disposable - Box of 6
18x30x1 Air Filter Glasfloss GDS Series Disposable - Box of 6

$53.62

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Accumulair Diamond 18x30x1 MERV 13 Air Filter/Furnace Filters (4 pack)
Accumulair Diamond 18x30x1 MERV 13 Air Filter/Furnace Filters (4 pack)

$72.15

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1 PACK or 4 PACK- Air Filter Allergen Plus Pleated FPR 7 Dust Filters Furnace AC
1 PACK or 4 PACK- Air Filter Allergen Plus Pleated FPR 7 Dust Filters Furnace AC

$17.85

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18x30x1 MERV 8 Air Filter/Furnace Filters (6 Pack)
18x30x1 MERV 8 Air Filter/Furnace Filters (6 Pack)

$45.54

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Filter King 18x30x1 Air Filter 12-PACK MERV 8 Actual Size 17.5 x 29.5 x .75"
Filter King 18x30x1 Air Filter 12-PACK MERV 8 Actual Size 17.5 x 29.5 x .75"

$124.56

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

$54.95

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Filterbuy 18x30x1 Pleated Air Filters MERV 8 Replacement HVAC AC Furnace 3 Pack
Filterbuy 18x30x1 Pleated Air Filters MERV 8 Replacement HVAC AC Furnace 3 Pack

$12.99

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1 OR 4 Filters - Air Filter Superior Pleated FPR 9 Dust Filters Furnace AC
1 OR 4 Filters - Air Filter Superior Pleated FPR 9 Dust Filters Furnace AC

$26.80

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18x30x1 (17.75 x 29.75) MERV 8 Furnace Filter (4 Pack)
18x30x1 (17.75 x 29.75) MERV 8 Furnace Filter (4 Pack)

$40.32

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Air Filter Replacement for AC - Standard Pleated FPR 5 OR FPR 7 - CHOOSE 1 or 4
Air Filter Replacement for AC - Standard Pleated FPR 5 OR FPR 7 - CHOOSE 1 or 4

$18.80

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Simply Filters 18x30x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 18x30x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$33.99

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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

$7.88

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18x30x1 MERV 6 Poly Green AC Furnace Air Filter 2 Pack - Captures Dust/Pollen
18x30x1 MERV 6 Poly Green AC Furnace Air Filter 2 Pack - Captures Dust/Pollen

$35.04

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Filtrete Air-Filter Basic Pleated Furnace Replacement Pad Dust Pack Lot 3M 6 12
Filtrete Air-Filter Basic Pleated Furnace Replacement Pad Dust Pack Lot 3M 6 12

$24.99

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18X30X1 MERV 8 PLEATED AIR FILTER - BRAND NEW
18X30X1 MERV 8 PLEATED AIR FILTER - BRAND NEW

$40.00

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New 6-pack lot 18"x30"x1" Filtrete Basic Pleated 3M Air-Filter Pad Furnace
New 6-pack lot 18"x30"x1" Filtrete Basic Pleated 3M Air-Filter Pad Furnace

$47.99

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6-Pk (18 x 30 x 1) Filtrete-Basic 3M Air-Filter Replacement Pad Furnace Dust Lot
6-Pk (18 x 30 x 1) Filtrete-Basic 3M Air-Filter Replacement Pad Furnace Dust Lot

$39.77

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Filtrete Air-Filter MPR 300 Basic Pleated Furnace Replacement Pad Dust 3 Pack
Filtrete Air-Filter MPR 300 Basic Pleated Furnace Replacement Pad Dust 3 Pack

$24.99

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(3 Pack) Blue / White Polyester Air Filter Pads - CHOOSE SIZE
(3 Pack) Blue / White Polyester Air Filter Pads - CHOOSE SIZE

$31.35

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Filtrete-Basic Air-Filter Pleated Furnace Replacement Pad Dust Pack Lot 3M 6 15
Filtrete-Basic Air-Filter Pleated Furnace Replacement Pad Dust Pack Lot 3M 6 15

$29.77

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18x30x1 MERV 6 Poly Green AC Furnace Air Filter 6 Pack - Captures Dust/Pollen
18x30x1 MERV 6 Poly Green AC Furnace Air Filter 6 Pack - Captures Dust/Pollen

$62.46

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Filterbuy 18 x 30 x 1 MERV 8 Pleated HVAC AC Furnace Air Filters 2 Pack
Filterbuy 18 x 30 x 1 MERV 8 Pleated HVAC AC Furnace Air Filters 2 Pack

$37.19

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CASE (12) 18x30x1 AIR FURNACE FILTER HVAC STANDARD FILTERS HEATING COOL 6463640
CASE (12) 18x30x1 AIR FURNACE FILTER HVAC STANDARD FILTERS HEATING COOL 6463640

$51.99

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Electrostatic Filter for Home Furnaces - Washable - Merv 8
Electrostatic Filter for Home Furnaces - Washable - Merv 8

$39.95

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Aerostar 18x30x1 MERV 11 Furnace Air Filter, 2 Pack
Aerostar 18x30x1 MERV 11 Furnace Air Filter, 2 Pack

$34.42

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Trophy Air 18x30x1 Washable Electrostatic HVAC Furnace Air Filter with DENT
Trophy Air 18x30x1 Washable Electrostatic HVAC Furnace Air Filter with DENT

$34.94

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Dynamic Air Cleaner Filter LPD 18 x 30 x 1 C4LP1830 4 refills CLP1830 3LP1830
Dynamic Air Cleaner Filter LPD 18 x 30 x 1 C4LP1830 4 refills CLP1830 3LP1830

$79.99

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1085 3M Filtrete-Extra Air-Filter HVAC Furnace Smog Smoke Pollen Dust Allergen
1085 3M Filtrete-Extra Air-Filter HVAC Furnace Smog Smoke Pollen Dust Allergen

$23.77

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18x30x1 MERV 6 Poly Green AC Furnace Air Filter 3 Pack - Captures Dust/Pollen
18x30x1 MERV 6 Poly Green AC Furnace Air Filter 3 Pack - Captures Dust/Pollen

$41.29

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Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
Filterbuy 18x30x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)

$8.99

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(6 Pack) Blue / White Polyester Air Filter Pads - CHOOSE SIZE
(6 Pack) Blue / White Polyester Air Filter Pads - CHOOSE SIZE

$51.80

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(6) Blue/White Polyester Filter Pads 1" Poly CHOOSE SIZE
(6) Blue/White Polyester Filter Pads 1" Poly CHOOSE SIZE

$50.88

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18x30x1 MERV 6 Poly Green AC Furnace Air Filter 4 Pack - Captures Dust/Pollen
18x30x1 MERV 6 Poly Green AC Furnace Air Filter 4 Pack - Captures Dust/Pollen

$48.68

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Aerostar 18x30x1 MERV 13 Furnace Air Filter, 2 Pack
Aerostar 18x30x1 MERV 13 Furnace Air Filter, 2 Pack

$37.04

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Filtrete 18x30x1 AC Air Filter MPR 1500 Merv 12 Healthy Ultra Allergen - 6 Pack
Filtrete 18x30x1 AC Air Filter MPR 1500 Merv 12 Healthy Ultra Allergen - 6 Pack

$114.95

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1500 Air-Filter Filtrete M3 Purple Furnace Virus Pet Dust 2,4,6,8 Ultra-Allergen
1500 Air-Filter Filtrete M3 Purple Furnace Virus Pet Dust 2,4,6,8 Ultra-Allergen

$32.77

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12 PPA 118301 18" x 30" x 1" Fiberglass Furnace Filter b
12 PPA 118301 18" x 30" x 1" Fiberglass Furnace Filter b

$78.01

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Filter King 18x30x1 Air Filter 4-PACK MERV 13 Actual Size 17.5 x 29.5 x .75"
Filter King 18x30x1 Air Filter 4-PACK MERV 13 Actual Size 17.5 x 29.5 x .75"

$68.79

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Aerostar 18x30x1 MERV 13 Furnace Air Filter, 6 Pack
Aerostar 18x30x1 MERV 13 Furnace Air Filter, 6 Pack

$79.74

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Case of 12, All Sizes Best Air (Naturalaire) MERV 8 Pleated Heater/AC Air Filter
Case of 12, All Sizes Best Air (Naturalaire) MERV 8 Pleated Heater/AC Air Filter

$105.95

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Accumulair Diamond 18x30x1 MERV 13 Air/Furnace Filters (6 pack)
Accumulair Diamond 18x30x1 MERV 13 Air/Furnace Filters (6 pack)

$105.73

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Filterbuy 18x30x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC
Filterbuy 18x30x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC

$52.27

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18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter HDX
18x30x1 Air Filter Standard Pleated Furnace AC Filtro de aire 1-filter HDX

$10.99

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Filtrete 18x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Def...
Filtrete 18x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Def...

$116.59

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18x30x1 Air Filter Glasfloss GDS Series Disposable - Box of 12
18x30x1 Air Filter Glasfloss GDS Series Disposable - Box of 12

$87.73

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Filtrete 18x30x1 Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter
Filtrete 18x30x1 Air Filter, MPR 800 MERV 10, Micro Particle Reduction, 1 Filter

$17.82

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Glasfloss 18x30x1 - MERV 10 - Pack of 12 - Furnace Air Filter - Made in USA
Glasfloss 18x30x1 - MERV 10 - Pack of 12 - Furnace Air Filter - Made in USA

$162.99

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1900 Air-Filter Filtrete Blue Furnace Virus Odor Pet Dust 2,4,8 Maximum-Allergen
1900 Air-Filter Filtrete Blue Furnace Virus Odor Pet Dust 2,4,8 Maximum-Allergen

$36.77

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(12 Pack) Blue / White Polyester Air Filter Pads - CHOOSE SIZE
(12 Pack) Blue / White Polyester Air Filter Pads - CHOOSE SIZE

$72.50

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The best Air Filter PERMANENT, WASHABLE, and REUSABLE FURNACE AC in All SIZES
The best Air Filter PERMANENT, WASHABLE, and REUSABLE FURNACE AC in All SIZES

$94.70

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Permatron DustEater DE-1" Permanent Electrostatic Filter Washable HVAC Furnace
Permatron DustEater DE-1" Permanent Electrostatic Filter Washable HVAC Furnace

$112.87

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(12) Blue / White Polyester Filter Media Pads with Frame - Choose Size
(12) Blue / White Polyester Filter Media Pads with Frame - Choose Size

$103.88

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Filtrete 18x30x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra
Filtrete 18x30x1, AC Furnace Air Filter, MPR 1500, Healthy Living Ultra

$61.39

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Aerostar 18x30x1 MERV 11 Furnace Air Filter, 6 Pack
Aerostar 18x30x1 MERV 11 Furnace Air Filter, 6 Pack

$67.56

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(12 Pack) Blue / White Polyester Air Filter Pads CHOOSE SIZE
(12 Pack) Blue / White Polyester Air Filter Pads CHOOSE SIZE

$61.88

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18x30x1 (17_3/4x29_3/4) Nordic Pure Tru Mini Pleat MERV 11 Air Filters 6 Pack
18x30x1 (17_3/4x29_3/4) Nordic Pure Tru Mini Pleat MERV 11 Air Filters 6 Pack

$129.99

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18x30x1 (17_3/4x29_3/4) Pure Carbon Odor Reduction Furnace Air Filters 3 Pack
18x30x1 (17_3/4x29_3/4) Pure Carbon Odor Reduction Furnace Air Filters 3 Pack

$62.99

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(6) Orange/White Polyester Filter Pads 1" Poly MERV 8 Tackified CHOOSE SIZE
(6) Orange/White Polyester Filter Pads 1" Poly MERV 8 Tackified CHOOSE SIZE

$51.88

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18x30x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6
18x30x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6

$99.99

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18x30x1 (17_3/4x29_3/4) Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack
18x30x1 (17_3/4x29_3/4) Furnace Air Filters MERV 12 Pleated Plus Carbon 3 Pack

$79.99

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Premium 5-Layer 18x30x1 Washable Air Filter for Enhanced Indoor Air Quality
Premium 5-Layer 18x30x1 Washable Air Filter for Enhanced Indoor Air Quality

$113.99

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Glasfloss 18x30x1 - MERV 10 - (Qty:6) - Pleated Furnace Air Filter - Made in USA
Glasfloss 18x30x1 - MERV 10 - (Qty:6) - Pleated Furnace Air Filter - Made in USA

$99.99

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Standard Pleated Air Filter FPR 5 18 X 30 X 1 Housing Cleaner HVAC Vents Wall Ce
Standard Pleated Air Filter FPR 5 18 X 30 X 1 Housing Cleaner HVAC Vents Wall Ce

$8.98

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18x30x1 (17_3/4x29_3/4) Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack
18x30x1 (17_3/4x29_3/4) Furnace Air Filters MERV 8 Pleated Plus Carbon 3 Pack

$74.99

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Filter King 18x30x1 Air Filter 12-PACK MERV 13 Actual Size 17.5 x 29.5 x .75"
Filter King 18x30x1 Air Filter 12-PACK MERV 13 Actual Size 17.5 x 29.5 x .75"

$160.41

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Filter King 18x30x1 Air Filter 6-PACK MERV 13 Actual Size 17.5 x 29.5 x .75"
Filter King 18x30x1 Air Filter 6-PACK MERV 13 Actual Size 17.5 x 29.5 x .75"

$91.41

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