hvac-air-filters-18x20x1

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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)

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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)

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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)

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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

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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

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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

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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

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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

$13.95

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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

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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

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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.

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18x20x1 Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack
18x20x1 Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack

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KOCH Filter Multi-Pleat XL8 MERV 8, 18x20x1, Box of 12 Filters
KOCH Filter Multi-Pleat XL8 MERV 8, 18x20x1, Box of 12 Filters

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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

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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

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(18x20x1) Aluminum Electrostatic Air Filter Replacement Washable Reusable AC
(18x20x1) Aluminum Electrostatic Air Filter Replacement Washable Reusable AC

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

$9.75

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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

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Simply Filters 18x20x1 MERV 8, MPR 600, Air Filter 6 Pack - Actual Size: HVAC,
Simply Filters 18x20x1 MERV 8, MPR 600, Air Filter 6 Pack - Actual Size: HVAC,

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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

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18x20x1 Air Filter, MERV 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Act...
18x20x1 Air Filter, MERV 8, MPR 600, 6 Pack, Furnace Air Filter for HVAC (Act...

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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

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18x20x1 Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack
18x20x1 Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack

$13.35

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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

$13.95

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1" Depth Inch Glasfloss ZL MERV 13 / FPR 10 Pleated HVAC Air Filters. 6 Pack
1" Depth Inch Glasfloss ZL MERV 13 / FPR 10 Pleated HVAC Air Filters. 6 Pack

$57.63

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

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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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Aluminum Electrostatic A/C Furnace Filters - Central HVAC Air Purifier
Aluminum Electrostatic A/C Furnace Filters - Central HVAC Air Purifier

$44.99

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Glasfloss 18x20x1 - MERV 10 - (Qty: 6) - Pleated Furnace Air Filter Made in USA
Glasfloss 18x20x1 - MERV 10 - (Qty: 6) - Pleated Furnace Air Filter Made in USA

$73.99

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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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18X20X1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Fil
18X20X1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Fil

$57.34

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Premium 6-Stage Permanent HVAC Filter - Made in USA, 18x20x1 for Enhanced Air
Premium 6-Stage Permanent HVAC Filter - Made in USA, 18x20x1 for Enhanced Air

$111.99

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18x20x1 MERV 11 Air Filter 6 Pack for HVAC Pet DUST Allergy Control
18x20x1 MERV 11 Air Filter 6 Pack for HVAC Pet DUST Allergy Control

$50.13

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Glasfloss ZL 18x20x1 MERV 10 (FPR 7) Pleated HVAC Air Filters. Case of 12
Glasfloss ZL 18x20x1 MERV 10 (FPR 7) Pleated HVAC Air Filters. Case of 12

$83.97

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Glasfloss ZL 18x20x1 MERV 10 (FPR 7) Pleated Furnace Air Filters. 6 Pack
Glasfloss ZL 18x20x1 MERV 10 (FPR 7) Pleated Furnace Air Filters. 6 Pack

$50.97

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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 CASE OF (12) AIR FURNACE HVAC FILTERS NEW FAST SHIPPING!!! 6953806
18X20X1 CASE OF (12) AIR FURNACE HVAC FILTERS NEW FAST SHIPPING!!! 6953806

$28.95

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Pamlico 18x20x1 MERV 11 ( FPR 8-9 ) Pleated Air Filters. Case of 12
Pamlico 18x20x1 MERV 11 ( FPR 8-9 ) Pleated Air Filters. Case of 12

$75.97

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Filterbuy 18x20x1 Air Filter MERV 13 Optimal Defense (3-Pack), Pleated HVAC A...
Filterbuy 18x20x1 Air Filter MERV 13 Optimal Defense (3-Pack), Pleated HVAC A...

$57.04

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

$107.87

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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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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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18x20x1 Merv 8 Pleated AC Furnace Filter - Case of 6
18x20x1 Merv 8 Pleated AC Furnace Filter - Case of 6

$47.99

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18X20X1 Pleated Air Filters Replacement For Furnace HVAC AC FPR 5 MERV 8 3-Pack
18X20X1 Pleated Air Filters Replacement For Furnace HVAC AC FPR 5 MERV 8 3-Pack

$19.99

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18x20x1 MERV 11 Pleated AC Furnace Air Filters. 6 PACK.. Made in USA.
18x20x1 MERV 11 Pleated AC Furnace Air Filters. 6 PACK.. Made in USA.

$57.97

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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

$26.72

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

$51.41

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Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Fu
Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Fu

$44.87

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18x20x1 Air Filter, 13, MPR 1500, 2 Pack, Furnace Air Filter for HVAC (Actual...
18x20x1 Air Filter, 13, MPR 1500, 2 Pack, Furnace Air Filter for HVAC (Actual...

$55.45

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18x20x1 Air Filter, 13, MPR 1500, 2 Pack, Furnace Air Filter for HVAC (Actual...
18x20x1 Air Filter, 13, MPR 1500, 2 Pack, Furnace Air Filter for HVAC (Actual...

$55.45

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Nordic Pure 18x20x1 Air Filter, MERV 14, 2 Pack Replacement For Furnace. AC HVAC
Nordic Pure 18x20x1 Air Filter, MERV 14, 2 Pack Replacement For Furnace. AC HVAC

$11.99

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Glasfloss 18x20x1 - MERV 10 - (Qty: 4) - Pleated Furnace Air Filter Made in USA
Glasfloss 18x20x1 - MERV 10 - (Qty: 4) - Pleated Furnace Air Filter Made in USA

$55.99

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18x20x1 Air Filter MERV 8 MPR 600 6 Pack for HVAC Dust Pet Allergy Control
18x20x1 Air Filter MERV 8 MPR 600 6 Pack for HVAC Dust Pet Allergy Control

$45.24

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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 Permanent Washable Electrostatic HVAC Filter with LIFETIME WARRANTY
18x20x1 Permanent Washable Electrostatic HVAC Filter with LIFETIME WARRANTY

$98.99

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K&N 18X20X1 HVAC Furnace Air Filter, Breathe Safely, Wash, Merv 8, HVC-8-11820
K&N 18X20X1 HVAC Furnace Air Filter, Breathe Safely, Wash, Merv 8, HVC-8-11820

$59.99

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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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18x20x1 MERV 11 HVAC/Furnace pleated air filter (6)
18x20x1 MERV 11 HVAC/Furnace pleated air filter (6)

$78.99

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A+2006 High Flow Electrostatic Filter Furnace HVAC Geothermal Washable Permanent
A+2006 High Flow Electrostatic Filter Furnace HVAC Geothermal Washable Permanent

$78.88

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Trane FLRSF1185 18x20x1 Air Filters (17.75x19.75x.75 Actual Size) Case of (12)
Trane FLRSF1185 18x20x1 Air Filters (17.75x19.75x.75 Actual Size) Case of (12)

$132.00

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UBeesize 18x20x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MER...
UBeesize 18x20x1 Reusable Electrostatic Air Filter HVAC AC Furnace Filter,MER...

$55.45

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(6 Pack) MERV 8 FMI Pro-Pleat Pleated Filters Furnace HVAC 1" 2" 4" Box Bulk
(6 Pack) MERV 8 FMI Pro-Pleat Pleated Filters Furnace HVAC 1" 2" 4" Box Bulk

$67.84

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hvac filter 18x20x1
hvac filter 18x20x1

$30.00

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2- PACK 18x20x1 Air Filters, Pleated Replacement for HVAC AC Furnace (MERV 8) n
2- PACK 18x20x1 Air Filters, Pleated Replacement for HVAC AC Furnace (MERV 8) n

$26.00

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HVAC FILTERS 20X20X1 20X20X2 20X25X1 20X25X2 16X20X1 16X20X2 14x20x1 18x20x1 6PK
HVAC FILTERS 20X20X1 20X20X2 20X25X1 20X25X2 16X20X1 16X20X2 14x20x1 18x20x1 6PK

$30.00

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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

$94.99

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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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Premium Pleated Air Filter Set - 4 MERV 11 Filters for HVAC Systems (18x20x1)
Premium Pleated Air Filter Set - 4 MERV 11 Filters for HVAC Systems (18x20x1)

$73.43

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MERV8 18 x 20 x 1 � 18x20x1 WASHABLE Pleated HVAC Air Furnace Custom EG8 Filter
MERV8 18 x 20 x 1 � 18x20x1 WASHABLE Pleated HVAC Air Furnace Custom EG8 Filter

$142.95

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AIRx Filters Allergy 18x20x1 Air Filter MERV 11 AC Furnace Pleated Air Filter
AIRx Filters Allergy 18x20x1 Air Filter MERV 11 AC Furnace Pleated Air Filter

$92.99

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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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Pleated Air Filter 6-Pack - MERV 8 HVAC Filters for Healthier Home Air Quality
Pleated Air Filter 6-Pack - MERV 8 HVAC Filters for Healthier Home Air Quality

$88.99

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Filtrete 3M 18x20x1 MERV 11 Allergen Plus Odor Reduction HVAC Furnace Air Filter
Filtrete 3M 18x20x1 MERV 11 Allergen Plus Odor Reduction HVAC Furnace Air Filter

$98.88

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Efficient 6-Pack Furnace Filters 18x20x1 - Easy Installation & Healthy Home
Efficient 6-Pack Furnace Filters 18x20x1 - Easy Installation & Healthy Home

$70.39

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Electrostatic MERV 11 Air Filters 18x20x1 - Dust and Allergy Protection 2-Pack
Electrostatic MERV 11 Air Filters 18x20x1 - Dust and Allergy Protection 2-Pack

$70.34

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MERV 13 Air Filters 18x20x1 - 6-Pack for Superior Air Quality & Allergen Capture
MERV 13 Air Filters 18x20x1 - 6-Pack for Superior Air Quality & Allergen Capture

$96.79

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High-Performance MERV 13 Air Filter 18x20x1, 4-Pack - Pleated HVAC Filters
High-Performance MERV 13 Air Filter 18x20x1, 4-Pack - Pleated HVAC Filters

$73.07

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TruFilter MERV 11 Air Filter Set - 6-Pack for Ultimate Air Quality Protection
TruFilter MERV 11 Air Filter Set - 6-Pack for Ultimate Air Quality Protection

$120.99

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Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Fu...
Filterbuy 18x20x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Fu...

$59.88

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BestAir B1-1820-11-6 18x20 x 1 In. MERV 11 Furnace Filter, 90 Days - Quantity 6
BestAir B1-1820-11-6 18x20 x 1 In. MERV 11 Furnace Filter, 90 Days - Quantity 6

$75.29

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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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AAF Flanders PREpleat MERV 13 Furnace, AC and HVAC Filters (12 Filters)
AAF Flanders PREpleat MERV 13 Furnace, AC and HVAC Filters (12 Filters)

$270.24

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High Efficiency 18x20x1 Washable HVAC Filter with MERV 8 Rating - Eco-Friendly
High Efficiency 18x20x1 Washable HVAC Filter with MERV 8 Rating - Eco-Friendly

$90.39

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MERV8 Washable Air Filter 18x20x1 - Electrostatic HVAC Filter for Fresh Air
MERV8 Washable Air Filter 18x20x1 - Electrostatic HVAC Filter for Fresh Air

$89.29

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18x20x1 Washable Electrostatic Air Filter - Cleaner Air, Easy Installation
18x20x1 Washable Electrostatic Air Filter - Cleaner Air, Easy Installation

$79.19

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Replacement for 18X20X1 VERSATILE TRU MINI PLEAT FILTERS WORK IN ALL
Replacement for 18X20X1 VERSATILE TRU MINI PLEAT FILTERS WORK IN ALL

$101.73

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High-Performance 18x20x1 Pleated Air Filter - MERV 8, Reduces Allergens, 6-Pack
High-Performance 18x20x1 Pleated Air Filter - MERV 8, Reduces Allergens, 6-Pack

$112.99

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Washable Electrostatic HVAC Furnace Air Filter, 6 Stage Permanent Air Filter
Washable Electrostatic HVAC Furnace Air Filter, 6 Stage Permanent Air Filter

$59.77

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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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High-Efficiency MERV 8 Pleated Air Filter 18x20x1 - 6-Pack for Home HVAC Systems
High-Efficiency MERV 8 Pleated Air Filter 18x20x1 - 6-Pack for Home HVAC Systems

$91.99

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Electrostatic Washable Air Filter Size 18x20x1 – Hassle-Free HVAC Maintenance
Electrostatic Washable Air Filter Size 18x20x1 – Hassle-Free HVAC Maintenance

$100.99

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AAF Flanders PREpleat LPD MERV 8 High Capacity HVAC Air Filters (12 Filters)
AAF Flanders PREpleat LPD MERV 8 High Capacity HVAC Air Filters (12 Filters)

$129.99

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USA-Made 18x20x1 MERV 13 Air Filters - 6 Pack for High Efficiency & Air Quality
USA-Made 18x20x1 MERV 13 Air Filters - 6 Pack for High Efficiency & Air Quality

$119.19

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PAMLICO AIR 18 in. W X 20 in. H X 1 in. D Fiberglass 4 MERV Air Filter 12pk
PAMLICO AIR 18 in. W X 20 in. H X 1 in. D Fiberglass 4 MERV Air Filter 12pk

$69.95

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Efficient MERV 11 HVAC Air Filter 6-Pack - Pleated Design for Maximum Filtration
Efficient MERV 11 HVAC Air Filter 6-Pack - Pleated Design for Maximum Filtration

$103.99

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AAF Flanders PREpleat LPD MERV 8 Standard Capacity HVAC Filters (12 Filters)
AAF Flanders PREpleat LPD MERV 8 Standard Capacity HVAC Filters (12 Filters)

$120.99

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TruFilter 6-Pack MERV 11 Air Filters for HVAC - Removes Dust, Pet Dander & Odors
TruFilter 6-Pack MERV 11 Air Filters for HVAC - Removes Dust, Pet Dander & Odors

$88.79

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Eco-Friendly MERV 8 Air Filters 6-Pack - Dust, Pet Dander, and Pollen Defense
Eco-Friendly MERV 8 Air Filters 6-Pack - Dust, Pet Dander, and Pollen Defense

$80.79

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MERV 13 Air Conditioner & Furnace Filters - 4-Pack with Low Air Flow Resistance
MERV 13 Air Conditioner & Furnace Filters - 4-Pack with Low Air Flow Resistance

$89.29

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