20x23x1-air-filter

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Filter King 20x23x1 Air Filter 6-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"
Filter King 20x23x1 Air Filter 6-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"

$59.99

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Filterbuy 20x23x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
Filterbuy 20x23x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)

$32.62

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Filterbuy 20x23x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)
Filterbuy 20x23x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)

$34.30

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Filter King 20x23x1 Air Filter 4-PACK MERV 13 Actual Size 19.5 x 22.5 x .75"
Filter King 20x23x1 Air Filter 4-PACK MERV 13 Actual Size 19.5 x 22.5 x .75"

$47.99

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20x23x1 MERV 8 Pleated AC Furnace Air Filters.  6 Pack.  Made in USA.
20x23x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack. Made in USA.

$50.97

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20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. 4 Pack.
20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. 4 Pack.

$38.97

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Filter King 20x23x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"
Filter King 20x23x1 Air Filter 4-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"

$42.95

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Simply Filters 20x23x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 20x23x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$35.99

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20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. 6 Pack.
20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. 6 Pack.

$49.97

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Filter King 20x23x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 23 x .75"
Filter King 20x23x1 Air Filter 4-PACK MERV 8 Actual Size 20 x 23 x .75"

$49.99

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20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. Box of 8.
20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. Box of 8.

$62.97

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20x23x1 MERV 8 Air Filter for HVAC, AC & Furnace Systems | Wonderfil Filters
20x23x1 MERV 8 Air Filter for HVAC, AC & Furnace Systems | Wonderfil Filters

$34.58

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Aerostar 20x23x1 MERV 13 Furnace Air Filter, 6 Pack
Aerostar 20x23x1 MERV 13 Furnace Air Filter, 6 Pack

$81.94

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Filter King 20x23x1 Air Filter 6-PACK MERV 13 Actual Size 19.5 x 22.5 x .75"
Filter King 20x23x1 Air Filter 6-PACK MERV 13 Actual Size 19.5 x 22.5 x .75"

$91.41

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Filter King 20x23x1 Air Filter 12-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"
Filter King 20x23x1 Air Filter 12-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"

$99.99

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20x23x1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 12
20x23x1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 12

$157.65

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K&N 20X23X1 HVAC Furnace Air Filter, Breathe Safely, Wash, Merv 8, HVC-8-12023
K&N 20X23X1 HVAC Furnace Air Filter, Breathe Safely, Wash, Merv 8, HVC-8-12023

$59.99

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Filter King 20x23x1 Air Filter 6-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"
Filter King 20x23x1 Air Filter 6-PACK MERV 8 Actual Size 19.5 x 22.5 x .75"

$25.00

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Simply Filters 20x23x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 20x23x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$32.99

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Simply Filters 20x23x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 20x23x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$37.99

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20x23x1 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 8.
20x23x1 MERV 8 Pleated HVAC AC Furnace Air Filters. Box of 8.

$55.42

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Aerostar 20x23x1 MERV 8 Furnace Air Filter, 6 Pack
Aerostar 20x23x1 MERV 8 Furnace Air Filter, 6 Pack

$55.19

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Aerostar 20x23x1 MERV 8 Furnace Air Filter, 4 Pack
Aerostar 20x23x1 MERV 8 Furnace Air Filter, 4 Pack

$41.40

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Filter King 20x23x1 Air Filter 4-PACK MERV 13 Actual Size 20 x 23 x .75"
Filter King 20x23x1 Air Filter 4-PACK MERV 13 Actual Size 20 x 23 x .75"

$59.96

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Aerostar 20x23x1 MERV 11 Furnace Air Filter, 4 Pack
Aerostar 20x23x1 MERV 11 Furnace Air Filter, 4 Pack

$43.24

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Trane FLRSF1235 20x23x1 Air Filters (22.75x19.75x.75 Actual Size) Case of (12)
Trane FLRSF1235 20x23x1 Air Filters (22.75x19.75x.75 Actual Size) Case of (12)

$130.00

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20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. Case of 12.
20x23x1 MERV 8 Pleated Air Filters by Mann+Hummel. Case of 12.

$83.97

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Filterbuy 20x23x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
Filterbuy 20x23x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

$42.58

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20x23x1 AC and Furnace Air Filter by Aerostar - MERV 11, Box of 12
20x23x1 AC and Furnace Air Filter by Aerostar - MERV 11, Box of 12

$112.55

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Filter King 20x23x1 Air Filter 12-PACK MERV 13 Actual Size 19.5 x 22.5 x .75"
Filter King 20x23x1 Air Filter 12-PACK MERV 13 Actual Size 19.5 x 22.5 x .75"

$160.41

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20x23x1 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 12
20x23x1 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 12

$99.54

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Aerostar 20x23x1 MERV 11 Furnace Air Filter, 6 Pack
Aerostar 20x23x1 MERV 11 Furnace Air Filter, 6 Pack

$62.54

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TruFilter MERV 8 Electrostatic Air Filter 4-Pack for Clean Air - 20x23x1 Size
TruFilter MERV 8 Electrostatic Air Filter 4-Pack for Clean Air - 20x23x1 Size

$87.99

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Filters 20x23x1 8, MPR 600, Air Filter (4 Pack) - Actual Size: 20"x23"x0.75" ...
Filters 20x23x1 8, MPR 600, Air Filter (4 Pack) - Actual Size: 20"x23"x0.75" ...

$71.78

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Glasfloss 20x23x1 - MERV 10 - (Qty:4) - Pleated Furnace Air Filter - Made in USA
Glasfloss 20x23x1 - MERV 10 - (Qty:4) - Pleated Furnace Air Filter - Made in USA

$75.99

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Aerostar 20x23x1 MERV 13 Furnace Air Filter, 4 Pack
Aerostar 20x23x1 MERV 13 Furnace Air Filter, 4 Pack

$61.91

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4x Filterbuy 20x23x1 Pleated Air Filters Replacement for HVAC AC Furnace MERV 8
4x Filterbuy 20x23x1 Pleated Air Filters Replacement for HVAC AC Furnace MERV 8

$39.99

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20x23x1 MERV 8 Pleated HVAC AC Furnace Air Filters. Case of 12.
20x23x1 MERV 8 Pleated HVAC AC Furnace Air Filters. Case of 12.

$70.38

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Filter King 20x23x1 Air Filter 12-PACK MERV 13 Actual Size 20 x 23 x .75"
Filter King 20x23x1 Air Filter 12-PACK MERV 13 Actual Size 20 x 23 x .75"

$160.41

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Glasfloss 20x23x1 - MERV 10 - (Qty:12) - Pleated  Air Furnace Filter Made in USA
Glasfloss 20x23x1 - MERV 10 - (Qty:12) - Pleated Air Furnace Filter Made in USA

$169.99

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AAF Flanders EZ Flow II 20" X 22-1/4" H X 1" D Fiberglass 4 MERV Air Filter 12pk
AAF Flanders EZ Flow II 20" X 22-1/4" H X 1" D Fiberglass 4 MERV Air Filter 12pk

$58.95

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BNX TruFilter 20x23x1 Air Filter MERV 11 (2-Pack) - MADE IN USA - Allergen...
BNX TruFilter 20x23x1 Air Filter MERV 11 (2-Pack) - MADE IN USA - Allergen...

$19.99

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Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filter For Anyone Wanting Clean
Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filter For Anyone Wanting Clean

$14.88

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(12) 20 x 23 x 1 Filter Pads Blue / White Polysynthetic 2-Stage Media
(12) 20 x 23 x 1 Filter Pads Blue / White Polysynthetic 2-Stage Media

$63.95

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Filters 20x23x1 8, MPR 600, Air Filter (4 Pack) - Actual Size: 20"x23"x0.75" ...
Filters 20x23x1 8, MPR 600, Air Filter (4 Pack) - Actual Size: 20"x23"x0.75" ...

$71.78

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Reusable Aluminum Electrostatic Air Filter 20x23x1 Furnace Filter MERV8
Reusable Aluminum Electrostatic Air Filter 20x23x1 Furnace Filter MERV8

$30.90

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4 Filterbuy 20x23x1 Pleated Air Filters Replacement for HVAC AC Furnace MERV 11
4 Filterbuy 20x23x1 Pleated Air Filters Replacement for HVAC AC Furnace MERV 11

$34.99

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Premium 20x23x1 Pleated Air Filter Set - 6 High-Efficiency MERV 13 Filters
Premium 20x23x1 Pleated Air Filter Set - 6 High-Efficiency MERV 13 Filters

$180.49

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4 MEDIUM SIZE ACCUMULAIR GOLD MERV 8 HOME FURNACE AIR FILTERS PLEATED ALLERGEN
4 MEDIUM SIZE ACCUMULAIR GOLD MERV 8 HOME FURNACE AIR FILTERS PLEATED ALLERGEN

$58.99

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MERV 11 Air Filter 20x23x1 (6-Pack) for Allergies, Dust, Pet, Smoke
MERV 11 Air Filter 20x23x1 (6-Pack) for Allergies, Dust, Pet, Smoke

$75.16

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20x23x1 Air Filter MERV 8 Dust Defense 6Pack, Pleated HVAC AC Furnace Air Filter
20x23x1 Air Filter MERV 8 Dust Defense 6Pack, Pleated HVAC AC Furnace Air Filter

$67.69

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TruFilter 20x23x1 Air Filter MERV 8 (12-Pack) - MADE IN USA – Dust & Pet Defe...
TruFilter 20x23x1 Air Filter MERV 8 (12-Pack) - MADE IN USA – Dust & Pet Defe...

$164.31

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Simply 20X20X1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC
Simply 20X20X1 Air Filter, Merv 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC

$84.60

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20x23x1 MERV 11 Air Filter 6-Pack - Superior Allergen Capture for Cleaner Air
20x23x1 MERV 11 Air Filter 6-Pack - Superior Allergen Capture for Cleaner Air

$96.79

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Filters 20x23x1 8, MPR 600, Air Filter (4 Pack) - Actual Size: 20"x23"x0.75" ...
Filters 20x23x1 8, MPR 600, Air Filter (4 Pack) - Actual Size: 20"x23"x0.75" ...

$71.78

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Proairtek AF20231M13SWH Model MERV13 20x23x1 Air Filters (Pack of 2)
Proairtek AF20231M13SWH Model MERV13 20x23x1 Air Filters (Pack of 2)

$30.88

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Trufilter 20X23X1 Air Filter MERV 13 (6-Pack) Electrostatic HVAC Filters
Trufilter 20X23X1 Air Filter MERV 13 (6-Pack) Electrostatic HVAC Filters

$69.99

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Filterbuy 20X23X1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furn
Filterbuy 20X23X1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furn

$133.41

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Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filters (Pack of 2)
Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filters (Pack of 2)

$26.88

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20x23x1 Air Filter, Pleated HVAC AC Furnace, (MERV 8, MERV 11 or MERV 13)
20x23x1 Air Filter, Pleated HVAC AC Furnace, (MERV 8, MERV 11 or MERV 13)

$87.38

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Simply Filters 20x23x1 8, MPR 600, Air Filter (6 Pack) - Actual Size: 19.75x2...
Simply Filters 20x23x1 8, MPR 600, Air Filter (6 Pack) - Actual Size: 19.75x2...

$73.21

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Filters 20x23x1 8, MPR 600, Air Filter (6 Pack) - Actual Size: 19.75x22.75x0....
Filters 20x23x1 8, MPR 600, Air Filter (6 Pack) - Actual Size: 19.75x22.75x0....

$73.21

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Filterbuy 20X23X1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furna
Filterbuy 20X23X1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furna

$57.98

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20x23x1 Air Filters MERV 8 HVAC Replacement Pleated Dust Defense 6-Pack New
20x23x1 Air Filters MERV 8 HVAC Replacement Pleated Dust Defense 6-Pack New

$68.41

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Glasfloss 20x23x1 - MERV 10 - (Qty:6) - Pleated Furnace Air Filter - Made in USA
Glasfloss 20x23x1 - MERV 10 - (Qty:6) - Pleated Furnace Air Filter - Made in USA

$102.99

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20x23x1 Air Filter MERV 8 Pleated Dust Defense 6-Pack HVAC Replacement New
20x23x1 Air Filter MERV 8 Pleated Dust Defense 6-Pack HVAC Replacement New

$67.70

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BNX TruFilter 20x23x1 Air Filter MERV 8 (2-Pack) - MADE IN USA – Dust & Pet D...
BNX TruFilter 20x23x1 Air Filter MERV 8 (2-Pack) - MADE IN USA – Dust & Pet D...

$113.18

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MERV 8 Air Filters 10x10 - 6 Pack for Dust, Pet & Allergy Relief
MERV 8 Air Filters 10x10 - 6 Pack for Dust, Pet & Allergy Relief

$69.99

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Filters 20x23x1 MERV 8, MPR 600, Air Filter (6 Pack) - Actual Size: 19.75x22....
Filters 20x23x1 MERV 8, MPR 600, Air Filter (6 Pack) - Actual Size: 19.75x22....

$73.21

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4 TITANIUM ACCUMULAIR HOME PLEATED AIR FILTERS LONG LIFE ALLERGY DUST REDUCING
4 TITANIUM ACCUMULAIR HOME PLEATED AIR FILTERS LONG LIFE ALLERGY DUST REDUCING

$86.87

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K&N HVAC Filter - 20 x 23 x 1
K&N HVAC Filter - 20 x 23 x 1

$61.52

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Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filters (Pack of 4)
Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filters (Pack of 4)

$32.88

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Filterbuy 20x23x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furna
Filterbuy 20x23x1 Air Filter MERV 8 Dust Defense (4-Pack), Pleated HVAC AC Furna

$27.13

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Proairtek AF20231M08SWH Model MERV08 20x23x1 Air Filters (Pack of 4)
Proairtek AF20231M08SWH Model MERV08 20x23x1 Air Filters (Pack of 4)

$40.88

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18x20x1 MERV 8 Air Filter 6-Pack - Made in USA for Dust and Pet Defense
18x20x1 MERV 8 Air Filter 6-Pack - Made in USA for Dust and Pet Defense

$63.67

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20x23x1 MERV 8 Pleated Air Filters 6-Pack Dust Pollen HVAC Replacement New
20x23x1 MERV 8 Pleated Air Filters 6-Pack Dust Pollen HVAC Replacement New

$68.41

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Proairtek AF20231M08SWH Model MERV08 20x23x1 Air Filters (Pack of 6)
Proairtek AF20231M08SWH Model MERV08 20x23x1 Air Filters (Pack of 6)

$54.88

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20x23x1 Air Filter MERV 8 Pleated Dust Defense 6-Pack HVAC Replacement New
20x23x1 Air Filter MERV 8 Pleated Dust Defense 6-Pack HVAC Replacement New

$70.79

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Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filters (Pack of 6)
Proairtek AF20231M11SWH Model MERV11 20x23x1 Air Filters (Pack of 6)

$66.88

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Proairtek AF20231M13SWH Model MERV13 20x23x1 Air Filters (Pack of 4)
Proairtek AF20231M13SWH Model MERV13 20x23x1 Air Filters (Pack of 4)

$55.88

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20x23 HVAC Air Filter MERV 8 Pleated 6 Pack Easy Install Dust Pollen Defense New
20x23 HVAC Air Filter MERV 8 Pleated 6 Pack Easy Install Dust Pollen Defense New

$68.31

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20x23x1 Air Filter MERV 8 Pleated Replacement 6-Pack Dust Pollen Capture New
20x23x1 Air Filter MERV 8 Pleated Replacement 6-Pack Dust Pollen Capture New

$77.36

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20x23 Air Filter MERV 8 Pleated HVAC Replacement Dust Pollen Trap 6-Pack New
20x23 Air Filter MERV 8 Pleated HVAC Replacement Dust Pollen Trap 6-Pack New

$68.41

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Proairtek AF20231M13SWH Model MERV13 20x23x1 Air Filters (Pack of 6)
Proairtek AF20231M13SWH Model MERV13 20x23x1 Air Filters (Pack of 6)

$71.88

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6-Pack MERV 11 Air Filters - Electrostatic Pleated for Allergies & Dust Control
6-Pack MERV 11 Air Filters - Electrostatic Pleated for Allergies & Dust Control

$113.88

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K&N HVC-8-12023 HVAC Filter 20 x 23 x 1, MERV 8
K&N HVC-8-12023 HVAC Filter 20 x 23 x 1, MERV 8

$59.99

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Filterbuy 20x23x1 Air Filter MERV 13 Optimal Defense (5-Pack), Pleated HVAC A...
Filterbuy 20x23x1 Air Filter MERV 13 Optimal Defense (5-Pack), Pleated HVAC A...

$100.70

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(35 Pack) 1" MERV 8 Tacky Polyester Filter Pads Orange/White
(35 Pack) 1" MERV 8 Tacky Polyester Filter Pads Orange/White

$179.85

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Filterbuy 20x23x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC...
Filterbuy 20x23x1 Air Filter MERV 8 Odor Eliminator (4-Pack), Pleated HVAC AC...

$112.36

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Filterbuy 20x23x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC F...
Filterbuy 20x23x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC F...

$136.00

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MERV 13 4-Pack Electrostatic Air Filters - Captures 93% of Microbes & Allergens
MERV 13 4-Pack Electrostatic Air Filters - Captures 93% of Microbes & Allergens

$77.59

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MERV 8 Pleated Air Filters HVAC Dust Pollen Replacement 6 Pack Household Indoor
MERV 8 Pleated Air Filters HVAC Dust Pollen Replacement 6 Pack Household Indoor

$68.31

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Accumulair Carbon 20x23x1 MERV 10 Odor Eliminating Air Filter (4 Pack)
Accumulair Carbon 20x23x1 MERV 10 Odor Eliminating Air Filter (4 Pack)

$67.95

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Filter King 20x23x1 Air Filter 6-PACK MERV 13 Actual Size 20 x 23 x .75"
Filter King 20x23x1 Air Filter 6-PACK MERV 13 Actual Size 20 x 23 x .75"

$91.41

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