furnace-air-filters-21x22x1

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Filter King 21x22x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 21.5 x .75"
Filter King 21x22x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 21.5 x .75"

$50.96

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Filter King 20x21x1 Air Filter 6-PACK MERV 8 Actual Size 20 x 21 x .75"
Filter King 20x21x1 Air Filter 6-PACK MERV 8 Actual Size 20 x 21 x .75"

$59.99

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Filterbuy 21x22x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
Filterbuy 21x22x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

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

$49.99

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Filterbuy 21x22x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
Filterbuy 21x22x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)

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Simply Filters 21x22x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 21x22x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$32.10

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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

$45.98

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Filterbuy 21x22x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)
Filterbuy 21x22x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)

$38.98

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20x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack. Made in USA.
20x20x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack. Made in USA.

$32.97

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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

$84.77

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Furnace AC Air Filter MERV 13, 20" x 20" x 1" (Pack of 6)
Furnace AC Air Filter MERV 13, 20" x 20" x 1" (Pack of 6)

$48.44

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Simply Filters 21x22x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 21x22x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$39.25

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21 x 21 x 1 MERV 8 Pleated Air Filter , Box of 6
21 x 21 x 1 MERV 8 Pleated Air Filter , Box of 6

$45.99

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Furnace AC Air Filter MERV 13, 20" x 25" x 1" (Pack of 6)
Furnace AC Air Filter MERV 13, 20" x 25" x 1" (Pack of 6)

$51.44

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Filter King 21x23x1 Air Filter 6-PACK MERV 8 Actual Size 21 x 23 x .75"
Filter King 21x23x1 Air Filter 6-PACK MERV 8 Actual Size 21 x 23 x .75"

$64.08

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Filterbuy 21x21x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
Filterbuy 21x21x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)

$30.58

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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

$19.72

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22 X 22 X 1 Standard Pleated Air Filter FPR 5, Air Filters Replacement, 3-Pack
22 X 22 X 1 Standard Pleated Air Filter FPR 5, Air Filters Replacement, 3-Pack

$14.59

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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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Simply Filters 21x22x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 21x22x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$46.42

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Simply Filters 21x23x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 21x23x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$35.99

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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

$7.80

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Simply Filters 21x23x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 21x23x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$36.96

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21"x 21"x 1" Poly-Flo Rigid Washable Cut-to-Fit AC Furnace Air Filter Quantity 1
21"x 21"x 1" Poly-Flo Rigid Washable Cut-to-Fit AC Furnace Air Filter Quantity 1

$21.98

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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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21 7/8 x 20 3/4 x 1 Electrostatic Furnace A/C Air Filter - Washable 22x21x1
21 7/8 x 20 3/4 x 1 Electrostatic Furnace A/C Air Filter - Washable 22x21x1

$64.95

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FILTRETE- AIR-FILTER PLEATED FURNACE REPLACEMENT PAD DUST PACK 3, 6, 12 NEW
FILTRETE- AIR-FILTER PLEATED FURNACE REPLACEMENT PAD DUST PACK 3, 6, 12 NEW

$62.89

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13"x 21 1/2"x 1" AC Furnace Air Filter Rigid Washable Cut to Fit 13" x 21.5" x 1
13"x 21 1/2"x 1" AC Furnace Air Filter Rigid Washable Cut to Fit 13" x 21.5" x 1

$15.52

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Filter King 21x22x1 Air Filter 6-PACK MERV 8 Actual Size 20.5 x 21.5 x .75"
Filter King 21x22x1 Air Filter 6-PACK MERV 8 Actual Size 20.5 x 21.5 x .75"

$63.99

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Washable Electrostatic Furnace Air Filter, MERV 8, (20" X 25" X 1") Aluminum Reu
Washable Electrostatic Furnace Air Filter, MERV 8, (20" X 25" X 1") Aluminum Reu

$102.11

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Filterbuy 21x24.5x5 Air Filters MERV 8, AC Furnace Replacement for Rheem & Ruud
Filterbuy 21x24.5x5 Air Filters MERV 8, AC Furnace Replacement for Rheem & Ruud

$40.47

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Filter King 21x15x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 15 x .75"
Filter King 21x15x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 15 x .75"

$50.36

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BNX 20x20x1 MERV 13 Furnace Air Filter, 4 Pack MADE IN USA HVAC AC Furnace
BNX 20x20x1 MERV 13 Furnace Air Filter, 4 Pack MADE IN USA HVAC AC Furnace

$42.99

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20x20x1 (19_1/2x19_1/2) Furnace Air Filters MERV 10 Pleated Plus Carbon 3 Pack
20x20x1 (19_1/2x19_1/2) Furnace Air Filters MERV 10 Pleated Plus Carbon 3 Pack

$54.99

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Simply Filters 21x23.5x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 21x23.5x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$57.59

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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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Glasfloss 20x20x1 MERV 11 Pleated Furnace Air Filters. 12 PACK. Made in USA.
Glasfloss 20x20x1 MERV 11 Pleated Furnace Air Filters. 12 PACK. Made in USA.

$79.97

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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

$67.08

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Filter King 13x21x1 Air Filter 4-PACK MERV 8 Actual Size 13 x 21 x .75"
Filter King 13x21x1 Air Filter 4-PACK MERV 8 Actual Size 13 x 21 x .75"

$38.99

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Filterbuy 21x21x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)
Filterbuy 21x21x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 11)

$33.98

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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

$14.60

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Simply Filters 21x23.5x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 21x23.5x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$31.97

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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

$31.39

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20x22x1 MERV 8 Pleated HVAC AC Furnace Air Filters 6-Pack Dust Removal New
20x22x1 MERV 8 Pleated HVAC AC Furnace Air Filters 6-Pack Dust Removal New

$55.80

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21-1/2 x 23-1/2 x 1 Electrostatic Furnace A/C Air Filter - Washable, Lifetime
21-1/2 x 23-1/2 x 1 Electrostatic Furnace A/C Air Filter - Washable, Lifetime

$69.99

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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

$15.59

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Simply Filters 21x23x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 21x23x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$46.80

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Simply Filters 21x23.5x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 21x23.5x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$47.99

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Simply Filters 21x21x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 21x21x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$34.22

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Filterbuy 21x21x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
Filterbuy 21x21x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

$61.17

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Many Sizes - 1 Air Filter Standard Pleated FPR 5 MERV 8 Dust Filters Furnace AC
Many Sizes - 1 Air Filter Standard Pleated FPR 5 MERV 8 Dust Filters Furnace AC

$6.99

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Simply Filters 21x23.25x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 21x23.25x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$33.52

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Filter King 21x21x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 20.5 x .75"
Filter King 21x21x1 Air Filter 4-PACK MERV 8 Actual Size 20.5 x 20.5 x .75"

$44.95

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Simply Filters 21x21x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 21x21x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$182.87

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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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20"x 21"x 1" Poly-Flo Rigid Washable Cut-to-Fit AC Furnace Air Filter Quantity 1
20"x 21"x 1" Poly-Flo Rigid Washable Cut-to-Fit AC Furnace Air Filter Quantity 1

$20.09

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Furnace AC Standard Pleated Air Filter FPR 5 - 15 x 20 x 1 inch
Furnace AC Standard Pleated Air Filter FPR 5 - 15 x 20 x 1 inch

$8.35

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AAF Flanders 1005501202214 20 in. W X 22-1/4 in. H X 1 in D Air Filter (Pack 12)
AAF Flanders 1005501202214 20 in. W X 22-1/4 in. H X 1 in D Air Filter (Pack 12)

$50.57

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20" x 21 1/2"x 1" 2-Pack AC Furnace Air Filter Rigid Washable Cut to Fit
20" x 21 1/2"x 1" 2-Pack AC Furnace Air Filter Rigid Washable Cut to Fit

$28.48

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Simply Filters 21x23.25x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 21x23.25x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$47.27

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20x22x1 (19.75x21.5x1) High Quality Furnace Air Filters, 6 pack. MADE IN USA!
20x22x1 (19.75x21.5x1) High Quality Furnace Air Filters, 6 pack. MADE IN USA!

$90.00

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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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Simply Filters 21.5x21.5x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 21.5x21.5x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$152.39

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6 Pack Filterbuy 21x21x1 Merv 8 Air Filters HAVC Ac Furnace Filters
6 Pack Filterbuy 21x21x1 Merv 8 Air Filters HAVC Ac Furnace Filters

$55.00

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Filterbuy 21x23.5x5 Air Filters, HVAC AC Furnace Replacement for Trane (MERV 11)
Filterbuy 21x23.5x5 Air Filters, HVAC AC Furnace Replacement for Trane (MERV 11)

$101.24

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22"x 22"x 1" 2-Pack AC Furnace Air Filter Rigid Washable Cut to Fit
22"x 22"x 1" 2-Pack AC Furnace Air Filter Rigid Washable Cut to Fit

$36.22

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Glasfloss ZL 22x22x1 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.
Glasfloss ZL 22x22x1 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.

$39.97

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21x22x1 Air Filter, 8, MPR 600, 4 Pack, Furnace Air Filter for HVAC (Actual S...
21x22x1 Air Filter, 8, MPR 600, 4 Pack, Furnace Air Filter for HVAC (Actual S...

$76.14

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

$81.46

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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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Simply Filters 21x23.25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 21x23.25x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$126.99

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Simply Filters 21x21x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter
Simply Filters 21x21x1 MERV 8, MPR 600, AC Furnace HVAC Air Filter

$121.98

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21x23x1 Air Filter Replacement, MERV 11, Brand New In Original Packaging
21x23x1 Air Filter Replacement, MERV 11, Brand New In Original Packaging

$34.99

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20x20x1 (19_1/2x19_1/2) Pure Carbon Odor Reduction Furnace Air Filters 4 Pack
20x20x1 (19_1/2x19_1/2) Pure Carbon Odor Reduction Furnace Air Filters 4 Pack

$59.99

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20x20x1 Air Filter MERV 10 Pleated by Glasfloss - Box of 12 - AC/Furnace Filters
20x20x1 Air Filter MERV 10 Pleated by Glasfloss - Box of 12 - AC/Furnace Filters

$66.36

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Furnace AC Standard Pleated Air Filter FPR 5 - 15 x 20 x 1 inch
Furnace AC Standard Pleated Air Filter FPR 5 - 15 x 20 x 1 inch

$7.17

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21.5x23.25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MAD
21.5x23.25x1 Air Filter | 6-PACK | MERV 8 HVAC Pleated A/C Furnace Filters | MAD

$76.99

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Filter King 21x21x1 Air Filter 6-PACK MERV 13 Actual Size 20.5 x 20.5 x .75"
Filter King 21x21x1 Air Filter 6-PACK MERV 13 Actual Size 20.5 x 20.5 x .75"

$59.94

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Simply Filters 21.5x23.25x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 21.5x23.25x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

$41.90

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17-1/2 x 21 x 1 Air Filter Glasfloss ZL Series MERV 10 - Box of 6
17-1/2 x 21 x 1 Air Filter Glasfloss ZL Series MERV 10 - Box of 6

$70.44

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Filters Fast 21x24.5x1 MERV 8 Pleated HVAC AC Furnace Air Filters 6 Pack
Filters Fast 21x24.5x1 MERV 8 Pleated HVAC AC Furnace Air Filters 6 Pack

$62.99

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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

$64.30

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22 X 22 X 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement
22 X 22 X 1 Standard Pleated Air Filter FPR 5, 3-Pack, Air Filters Replacement

$14.29

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Filters Fast 21.5x23.25x1 MERV 11 Pleated HVAC AC Furnace Air Filters 6 Pack
Filters Fast 21.5x23.25x1 MERV 11 Pleated HVAC AC Furnace Air Filters 6 Pack

$76.99

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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

$14.50

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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

$24.90

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Filters Fast 1" Home Air Filters Merv 8 - Case of 6 Filters Made In America
Filters Fast 1" Home Air Filters Merv 8 - Case of 6 Filters Made In America

$62.99

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Filters Fast Allergy Air Filters 1 Inch MERV 11 Made in America, 6 Pack
Filters Fast Allergy Air Filters 1 Inch MERV 11 Made in America, 6 Pack

$86.99

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Filters Fast 1" Home Air Filters Merv 13 - Case of 6 Filters Made In The USA
Filters Fast 1" Home Air Filters Merv 13 - Case of 6 Filters Made In The USA

$82.99

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Filterbuy 21x24.5x5 Air Filters MERV 11, AC Furnace Replacement for Rheem & Ruud
Filterbuy 21x24.5x5 Air Filters MERV 11, AC Furnace Replacement for Rheem & Ruud

$43.76

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21-1/2 x 23-5/16 x 1 MERV 10 Replacement Air Filters for Carrier, Bryant, Payne.
21-1/2 x 23-5/16 x 1 MERV 10 Replacement Air Filters for Carrier, Bryant, Payne.

$50.28

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Glasfloss ZL 20x20x1 MERV 10 (FPR 7) Pleated HVAC Air Filters. Case of 12
Glasfloss ZL 20x20x1 MERV 10 (FPR 7) Pleated HVAC Air Filters. Case of 12

$69.97

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Filterbuy 21x21x5 Air Filters, AC Furnace Replacement for Rheem & Ruud (MERV 8)
Filterbuy 21x21x5 Air Filters, AC Furnace Replacement for Rheem & Ruud (MERV 8)

$129.44

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Glasfloss ZL 18x18x1 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.
Glasfloss ZL 18x18x1 MERV 10 Pleated AC Furnace Air Filters. Quantity 4.

$34.97

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20x20x1 (19_1/2x19_1/2) Pure Carbon Odor Reduction Furnace Air Filters 3 Pack
20x20x1 (19_1/2x19_1/2) Pure Carbon Odor Reduction Furnace Air Filters 3 Pack

$54.99

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Filter King 11x21x1 Air Filter 4-PACK MERV 8 Actual Size 11 x 21 x .75"
Filter King 11x21x1 Air Filter 4-PACK MERV 8 Actual Size 11 x 21 x .75"

$50.36

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21x21x1 Air Filter Glasfloss ZL Series MERV 10 - Box of 6
21x21x1 Air Filter Glasfloss ZL Series MERV 10 - Box of 6

$73.43

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Filterbuy 21x21.5x5 Air Filters, HVAC AC Furnace Replacement for Trane (MERV 8)
Filterbuy 21x21.5x5 Air Filters, HVAC AC Furnace Replacement for Trane (MERV 8)

$62.92

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21 1/2 x 21 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 12
21 1/2 x 21 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 12

$90.20

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20 x 21 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 12
20 x 21 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 8, Box of 12

$77.11

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