18x20x1-air-filter-12-pack

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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)

$107.88

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Aerostar 18x20x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 12 Pack
Aerostar 18x20x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 12 Pack

$57.54

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Aerostar 18x20x1 MERV 13 Furnace Air Filter, 6 Pack
Aerostar 18x20x1 MERV 13 Furnace Air Filter, 6 Pack

$48.76

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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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12 PACK - MANY SIZES - True Blue Spun Fiberglass Furnace Filter
12 PACK - MANY SIZES - True Blue Spun Fiberglass Furnace Filter

$58.11

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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

$29.99

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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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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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Nordic Pure 18x20x1 Pleated MERV 12 AC And Furnace Air Filters 2-Pack
Nordic Pure 18x20x1 Pleated MERV 12 AC And Furnace Air Filters 2-Pack

$33.49

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3M Filtrete MPR 300 Merv 5 Basic Air Filter Reduce Lint Dust Mite Debris
3M Filtrete MPR 300 Merv 5 Basic Air Filter Reduce Lint Dust Mite Debris

$89.99

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18x20x1 MERV 8 Pleated AC Furnace Air Filters. 12 Pack
18x20x1 MERV 8 Pleated AC Furnace Air Filters. 12 Pack

$78.97

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(4 Pack) Filtrete Ultra Allergen Bacteria and Virus 1600 MPR, MERV 12 4 Pack FS.
(4 Pack) Filtrete Ultra Allergen Bacteria and Virus 1600 MPR, MERV 12 4 Pack FS.

$54.99

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Filter King 18x20x1 Air Filter 12-PACK MERV 13 Actual Size 17.5 x 19.5 x .75"
Filter King 18x20x1 Air Filter 12-PACK MERV 13 Actual Size 17.5 x 19.5 x .75"

$160.41

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Aerostar 18x20x1 MERV 13 Air Filter, 12 Pack (17 3/2" x 19 3/2" x 3/4")
Aerostar 18x20x1 MERV 13 Air Filter, 12 Pack (17 3/2" x 19 3/2" x 3/4")

$87.28

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Aerostar 18x20x1 MERV 13 Furnace Air Filter, 4 Pack
Aerostar 18x20x1 MERV 13 Furnace Air Filter, 4 Pack

$40.88

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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"

$160.41

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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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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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18x20x1 MERV 6 Poly Green AC Furnace Air Filter 12 Pack - Captures Dust/Pollen
18x20x1 MERV 6 Poly Green AC Furnace Air Filter 12 Pack - Captures Dust/Pollen

$88.00

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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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18x20x1 (17_1/2x19_1/2) Pleated MERV 8 Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 8 Air Filters 12 Pack

$95.49

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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)

$191.40

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18x20x1 MERV 13 High Efficiency Pleated Home Air Filter ALLERGY RELIEF (12 Pack)
18x20x1 MERV 13 High Efficiency Pleated Home Air Filter ALLERGY RELIEF (12 Pack)

$107.90

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Lot of 12 MERV 13 pleated Air Filters 18x20x1 (17 1/2" x 19 1/2" x 3/4") 12 pack
Lot of 12 MERV 13 pleated Air Filters 18x20x1 (17 1/2" x 19 1/2" x 3/4") 12 pack

$59.99

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18X20X1 MERV 11 Pleated Home A/C Furnace Air Filter (12-Pack)
18X20X1 MERV 11 Pleated Home A/C Furnace Air Filter (12-Pack)

$110.04

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18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 12 Pleated Plus Carbon 4 Pack
18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 12 Pleated Plus Carbon 4 Pack

$62.49

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18x20x1 (17_1/2x19_1/2) Pleated MERV 14 Air Filters 6 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 14 Air Filters 6 Pack

$89.99

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18x20x1 (17_1/2x19_1/2) Pleated Air Filters MERV 14 Plus Carbon 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated Air Filters MERV 14 Plus Carbon 12 Pack

$209.99

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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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WICKED CLEAN AIR. ODOR 18x20x1 MERV 8 Carbon Pleated Air Filter Great For Hom...
WICKED CLEAN AIR. ODOR 18x20x1 MERV 8 Carbon Pleated Air Filter Great For Hom...

$105.00

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Nordic Pure 18x20x1 (17_1/2x19_1/2x3/4) Pleated MERV 14 Air Filters 6 Pack
Nordic Pure 18x20x1 (17_1/2x19_1/2x3/4) Pleated MERV 14 Air Filters 6 Pack

$59.99

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Nordic Pure 18x20x1 17 1/2 x 19 1/2 x 3/4 Pleated MERV 14 Air Filters 6 Pack
Nordic Pure 18x20x1 17 1/2 x 19 1/2 x 3/4 Pleated MERV 14 Air Filters 6 Pack

$116.24

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

$99.99

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

$57.99

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12 Pack 18" x 20" x 1" Disposable Flat Panel Furnace Filters
12 Pack 18" x 20" x 1" Disposable Flat Panel Furnace Filters

$56.99

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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

$251.64

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Precisionaire 18X20x1 FBG Furn Filter (Pack of 12) 1005 Furnace Filters Mounted
Precisionaire 18X20x1 FBG Furn Filter (Pack of 12) 1005 Furnace Filters Mounted

$64.39

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18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12
18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12

$50.64

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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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NordicPure N18x20x1Pleated MERV 12 Air Filters 6 Pack New
NordicPure N18x20x1Pleated MERV 12 Air Filters 6 Pack New

$42.00

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18x20x1 Air Filters Case Pack of 12
18x20x1 Air Filters Case Pack of 12

$80.00

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18x20x1 MERV 13 Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 19-1/2 x 7/8
18x20x1 MERV 13 Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 19-1/2 x 7/8

$89.97

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18x20x1 (17_1/2x19_1/2) Pleated MERV 10 Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 10 Air Filters 12 Pack

$95.99

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12 PACK -Many Sizes- Best Air Pleated Air Filters MERV 8
12 PACK -Many Sizes- Best Air Pleated Air Filters MERV 8

$96.92

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

$61.95

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

$85.99

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18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 10 Pleated Plus Carbon 12 Pack
18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 10 Pleated Plus Carbon 12 Pack

$151.99

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18x20x1 (17_1/2x19_1/2) Pleated MERV 14 Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 14 Air Filters 12 Pack

$169.99

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

$79.99

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18x20x1 (17_1/2x19_1/2) Pleated Air Filters MERV 13 Plus Carbon 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated Air Filters MERV 13 Plus Carbon 12 Pack

$174.99

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18x20x1 (17_1/2x19_1/2) Pleated MERV 7 Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 7 Air Filters 12 Pack

$94.99

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18x20x1 (17_1/2x19_1/2) Pure Carbon Odor Reduction Furnace Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Pure Carbon Odor Reduction Furnace Air Filters 12 Pack

$149.99

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3M Filtrete Filter MPR 2800 2500/Smart 2200/Smart 1900 1600/1500 1550 1200/1200D
3M Filtrete Filter MPR 2800 2500/Smart 2200/Smart 1900 1600/1500 1550 1200/1200D

$84.99

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Standard Pleated Furnace Filter, 18x20x1-In. - Pack of 12
Standard Pleated Furnace Filter, 18x20x1-In. - Pack of 12

$77.94

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18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12
18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12

$51.69

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Precisionaire 18X20X1 FBG Furn Filter (Pack of 12) 1005 Furnace Filters Mounted
Precisionaire 18X20X1 FBG Furn Filter (Pack of 12) 1005 Furnace Filters Mounted

$60.99

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(12 PACK) Green / White Polyester Air Filter Pads - CHOOSE SIZE
(12 PACK) Green / White Polyester Air Filter Pads - CHOOSE SIZE

$75.00

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18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 24 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 12 Air Filters 24 Pack

$199.99

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

$154.99

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18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack
18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 8 Pleated Plus Carbon 12 Pack

$149.99

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18x20x1 (17_1/2x19_1/2) Nordic Pure Tru Mini Pleat MERV 8 Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Nordic Pure Tru Mini Pleat MERV 8 Air Filters 12 Pack

$189.99

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Wicked Clean 18x20x1 MERV 8 Air Filter Set - Ideal for Homes with Dogs & Cats
Wicked Clean 18x20x1 MERV 8 Air Filter Set - Ideal for Homes with Dogs & Cats

$139.99

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18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted
18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted

$60.99

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18x20x1 (17_1/2x19_1/2) Pleated Air Filters MERV 7 Plus Carbon 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated Air Filters MERV 7 Plus Carbon 12 Pack

$147.99

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18x20x1 (17_1/2x19_1/2) Pleated MERV 13 Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Pleated MERV 13 Air Filters 12 Pack

$134.99

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3M Filtrete/HVAC Air Filter Reduces Airborne Dust Allergens Bacteria Viruses MPR
3M Filtrete/HVAC Air Filter Reduces Airborne Dust Allergens Bacteria Viruses MPR

$84.99

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18x18x1 MERV 13 Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 17-1/2 x 7/8
18x18x1 MERV 13 Pleated Air Filters. 12 PACK. Actual Size: 17-1/2 x 17-1/2 x 7/8

$111.97

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(12) Orange/White Polyester Filter Pads 1" Poly MERV8 Tackified - CHOOSE SIZE
(12) Orange/White Polyester Filter Pads 1" Poly MERV8 Tackified - CHOOSE SIZE

$72.95

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18x20x1 (17_1/2x19_1/2) Nordic Pure Tru Mini Pleat MERV 11 Air Filters 12 Pack
18x20x1 (17_1/2x19_1/2) Nordic Pure Tru Mini Pleat MERV 11 Air Filters 12 Pack

$194.99

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18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted
18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted

$59.99

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18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted
18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted

$74.85

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18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted
18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted

$61.99

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EZ Flow II 18x20x1-In. Flat Panel Spun Fiberglass Furnace Filter - Pack of 12
EZ Flow II 18x20x1-In. Flat Panel Spun Fiberglass Furnace Filter - Pack of 12

$57.44

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

$31.59

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18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 12 Pleated Plus Carbon 24 Pack
18x20x1 (17_1/2x19_1/2) Furnace Air Filters MERV 12 Pleated Plus Carbon 24 Pack

$309.99

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18x20x1 (17 1/2 x 19 1/2 x 3/4) Furnace Air Filters 8 Pleated Plus Carbon 6 Pack
18x20x1 (17 1/2 x 19 1/2 x 3/4) Furnace Air Filters 8 Pleated Plus Carbon 6 Pack

$128.48

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18x20x1 NaturalAire Standard MERV 8 Filters 84858.011820 (12 pack)
18x20x1 NaturalAire Standard MERV 8 Filters 84858.011820 (12 pack)

$96.99

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AAF Flanders 84858.01182 Fiberglass Furnace Filter 18 x 24 x 1 in. (Pack of 12)
AAF Flanders 84858.01182 Fiberglass Furnace Filter 18 x 24 x 1 in. (Pack of 12)

$116.91

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Pamlico Air 21208-011820 8 MERV Air Filter 20 H x 18 W x 1 D in. (Pack of 12)
Pamlico Air 21208-011820 8 MERV Air Filter 20 H x 18 W x 1 D in. (Pack of 12)

$86.43

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BROOKAIRE 18x20x1 Pleated Air Filters, MERV 13 Pack of 12
BROOKAIRE 18x20x1 Pleated Air Filters, MERV 13 Pack of 12

$99.00

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NaturalAire Standard MERV 8 Furnace, AC and HVAC Filters (12 pack)
NaturalAire Standard MERV 8 Furnace, AC and HVAC Filters (12 pack)

$111.99

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Enhanced MERV 8 Air Filter with Carbon for Homes with Pets - 18x20x1, Box of 6
Enhanced MERV 8 Air Filter with Carbon for Homes with Pets - 18x20x1, Box of 6

$115.19

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Lot of 12 MERV 13 pleated Air Filters 18x20x1 (17 1/2" x 19 1/2" x 3/4") 12 pack
Lot of 12 MERV 13 pleated Air Filters 18x20x1 (17 1/2" x 19 1/2" x 3/4") 12 pack

$65.00

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18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated MERV 12 Air Filters 6 Pack
18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated MERV 12 Air Filters 6 Pack

$79.74

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18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated 14 Air Filters 6 Pack
18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated 14 Air Filters 6 Pack

$131.42

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18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated 14 Air Filters 6 Pack
18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated 14 Air Filters 6 Pack

$131.42

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Nordic Pure 18x20x1 MERV 14 Pleated AC Furnace Air Filters 6 Pack
Nordic Pure 18x20x1 MERV 14 Pleated AC Furnace Air Filters 6 Pack

$132.10

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Naturalaire Air Filter 18 " X 20 " X 1 " Pleated Merv 8 (12 pack)
Naturalaire Air Filter 18 " X 20 " X 1 " Pleated Merv 8 (12 pack)

$78.00

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3M Filtrete Dual-Action Micro Allergen Plus 2X Dust Defense Air Filter 4-Pack
3M Filtrete Dual-Action Micro Allergen Plus 2X Dust Defense Air Filter 4-Pack

$54.88

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Nordic Pure 18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated MERV 12 Air Filters 6 Pack
Nordic Pure 18x20x1 (17 1/2 x 19 1/2 x 3/4) Pleated MERV 12 Air Filters 6 Pack

$70.10

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Merv 8 Pleated Air Filter - 18" x 20" x 1"
Merv 8 Pleated Air Filter - 18" x 20" x 1"

$77.90

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18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12
18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12

$64.51

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Precisionaire 18X20x1 Fbg Furn Filter (Pack Of 12) 1005 Furnace Filters Mounted
Precisionaire 18X20x1 Fbg Furn Filter (Pack Of 12) 1005 Furnace Filters Mounted

$65.54

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3M Filtrete Filter MPR 2800 2500/Smart 2200/Smart 1900 1600/1500 1550 1200/1200D
3M Filtrete Filter MPR 2800 2500/Smart 2200/Smart 1900 1600/1500 1550 1200/1200D

$84.99

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18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12
18x20x1, Percisionaire Ez Flow Ii Front Panel Merv 4, 10055.011820, Pack12

$63.68

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18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted
18X20X1 Fbg Furn Filter (Pack of 12) 1005 Furnace Filters Mounted

$58.99

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