21x22x1-air-filter-merv-13

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

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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)

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Furnace AC Air Filter MERV 13, 20" x 20" x 1" (Pack of 6)
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Filter King 13x21x1 Air Filter 4-PACK MERV 8 Actual Size 13 x 21 x .75"
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21 In. X 22 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13
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Filter King 21x13x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 13 x .75"
Filter King 21x13x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 13 x .75"

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Simply Filters 13x21x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter
Simply Filters 13x21x1 MERV 11, MPR 1000, AC Furnace HVAC Air Filter

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Filter King 13x21x1 Air Filter 6-PACK MERV 8 Actual Size 13 x 21 x .75"
Filter King 13x21x1 Air Filter 6-PACK MERV 8 Actual Size 13 x 21 x .75"

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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"

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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

$13.40

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13 In. X 21 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13
13 In. X 21 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13

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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

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Filter King 21x22x1 Air Filter 6-PACK MERV 13 Actual Size 20.5 x 21.5 x .75"
Filter King 21x22x1 Air Filter 6-PACK MERV 13 Actual Size 20.5 x 21.5 x .75"

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Filter King 21x22x1 Air Filter 4-PACK MERV 13 Actual Size 21 x 22 x .75"
Filter King 21x22x1 Air Filter 4-PACK MERV 13 Actual Size 21 x 22 x .75"

$68.79

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Filter King 21x22x1 Air Filter 4-PACK MERV 13 Actual Size 20.5 x 21.5 x .75"
Filter King 21x22x1 Air Filter 4-PACK MERV 13 Actual Size 20.5 x 21.5 x .75"

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

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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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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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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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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"

$50.36

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21 In. X 27 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13
21 In. X 27 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13

$27.89

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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

$43.36

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20x22x1 MERV 13 Pleated Air Filters. 12 PACK. Actual Size: 19-1/2 x 21-7/8 x 7/8
20x22x1 MERV 13 Pleated Air Filters. 12 PACK. Actual Size: 19-1/2 x 21-7/8 x 7/8

$101.97

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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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Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 11)
Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 11)

$15.49

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

$59.96

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Filter King 21x22x1 Air Filter 6-PACK MERV 13 Actual Size 21 x 22 x .75"
Filter King 21x22x1 Air Filter 6-PACK MERV 13 Actual Size 21 x 22 x .75"

$86.19

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Eco-Aire 21x21x1 MERV  13, Pleated Air Filter, 21x21x1, Box of 6
Eco-Aire 21x21x1 MERV 13, Pleated Air Filter, 21x21x1, Box of 6

$76.81

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Filter King 21x22x1 Air Filter 12-PACK MERV 13 Actual Size 20.5 x 21.5 x .75"
Filter King 21x22x1 Air Filter 12-PACK MERV 13 Actual Size 20.5 x 21.5 x .75"

$160.41

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Filter King 21x22x1 Air Filter 12-PACK MERV 13 Actual Size 21 x 22 x .75"
Filter King 21x22x1 Air Filter 12-PACK MERV 13 Actual Size 21 x 22 x .75"

$160.41

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Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 8)
Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 8)

$26.08

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21 In. X 22.5 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13
21 In. X 22.5 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13

$24.17

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Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 11)
Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 11)

$32.04

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HDX 20" x 22" x 1" MERV 13 Premium Pleated Air Filter FPR 10 (Read) (3 Pack)
HDX 20" x 22" x 1" MERV 13 Premium Pleated Air Filter FPR 10 (Read) (3 Pack)

$32.39

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20 x 22 x 1 MERV 13 Pleated Air Filter, Box of 6
20 x 22 x 1 MERV 13 Pleated Air Filter, Box of 6

$60.93

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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

$126.99

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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

$54.11

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21 1/2 x 23 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 12
21 1/2 x 23 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 12

$157.40

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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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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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Pamlico 13  x 21-1/2 x 1 MERV 11 ( FPR 8-9 ) Pleated Air Filters.  Case of 12
Pamlico 13 x 21-1/2 x 1 MERV 11 ( FPR 8-9 ) Pleated Air Filters. Case of 12

$86.97

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12.75 In. X 21 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13
12.75 In. X 21 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13

$24.17

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21 In. X 21 In. X 1 In. Ultimate Allergen Pleated Air Filter FPR 12, MERV 13
21 In. X 21 In. X 1 In. Ultimate Allergen Pleated Air Filter FPR 12, MERV 13

$30.91

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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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HDX 21 in. x 22 in. x 1 in. MERV 13 Premium Pleated Air Filter FPR 10 (4-Pack)
HDX 21 in. x 22 in. x 1 in. MERV 13 Premium Pleated Air Filter FPR 10 (4-Pack)

$55.00

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Accumulair Gold 13x21x1 MERV 8 Air Filter (4 Pack)
Accumulair Gold 13x21x1 MERV 8 Air Filter (4 Pack)

$44.74

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13x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)
13x21x1 (Actual Size) Accumulair Platinum 1-Inch Filter (MERV 11) (4 Pack)

$51.15

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Filters Fast 13x22x1 MERV 8, 1 Inch Pleated HVAC AC Furnace Air Filters, 6 Pack
Filters Fast 13x22x1 MERV 8, 1 Inch Pleated HVAC AC Furnace Air Filters, 6 Pack

$62.99

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MERV 13  New 18 1/2 X 22 X 2 In Replacement Air Filter (Pack of 6)
MERV 13 New 18 1/2 X 22 X 2 In Replacement Air Filter (Pack of 6)

$55.00

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Accumulair Carbon 13x21x1 MERV 10 Odor Eliminating Air Filter (4 Pack)
Accumulair Carbon 13x21x1 MERV 10 Odor Eliminating Air Filter (4 Pack)

$63.75

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Filters Fast 13x21.5x1 MERV 8 Pleated HVAC AC Furnace Air Filters 6 Pack
Filters Fast 13x21.5x1 MERV 8 Pleated HVAC AC Furnace Air Filters 6 Pack

$62.99

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Accumulair Platinum 13x21x1 MERV 11 Air Filters (2 Pack)
Accumulair Platinum 13x21x1 MERV 11 Air Filters (2 Pack)

$29.28

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Filter 21x21x1 qty 6 - MERV 13
Filter 21x21x1 qty 6 - MERV 13

$58.00

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13 x 21-1/2 x 1 Air Filter Glasfloss ZL Series MERV 10 - Box of 4
13 x 21-1/2 x 1 Air Filter Glasfloss ZL Series MERV 10 - Box of 4

$49.18

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20x22x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 19-1/2 x 21-7/8 x 7/8
20x22x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 19-1/2 x 21-7/8 x 7/8

$77.97

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Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 13)
Filterbuy 13x21.5x1 Pleated Air Filters, Replacement HVAC AC Furnace (MERV 13)

$36.60

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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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Filter King 21x23.25x1 Air Filter 4-PACK MERV 13 Actual Size 21 x 23.25 x .75"
Filter King 21x23.25x1 Air Filter 4-PACK MERV 13 Actual Size 21 x 23.25 x .75"

$59.95

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21 In. X 45 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13
21 In. X 45 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13

$27.94

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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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22 In. X 22 In. X 1 In. Ultimate Allergen Pleated Air Filter FPR 12, MERV 13
22 In. X 22 In. X 1 In. Ultimate Allergen Pleated Air Filter FPR 12, MERV 13

$30.91

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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

$35.59

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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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Filter King 21x23x1 Air Filter 4-PACK MERV 13 Actual Size 21 x 23 x .75"
Filter King 21x23x1 Air Filter 4-PACK MERV 13 Actual Size 21 x 23 x .75"

$68.79

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13 In. X 22 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13
13 In. X 22 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13

$27.80

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Filterbuy 21X22X1 Air Filter MERV 13 Optimal Defense (12-Pack), Pleated HVAC AC
Filterbuy 21X22X1 Air Filter MERV 13 Optimal Defense (12-Pack), Pleated HVAC AC

$387.33

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HDX 14 in. x 21 in. x 1 in. MERV 13 Premium Pleated Air Filter FPR 10 4 Pack
HDX 14 in. x 21 in. x 1 in. MERV 13 Premium Pleated Air Filter FPR 10 4 Pack

$40.00

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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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22 In. X 29 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13
22 In. X 29 In. X 1 In. Premium Pleated Air Filter FPR-10, MERV-13

$25.17

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Simply Filters 21.5x21.5x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 21.5x21.5x1 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$182.87

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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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22 In. X 22 In. X 1 In. Standard Pleated Air Filter FPR 5, MERV 8
22 In. X 22 In. X 1 In. Standard Pleated Air Filter FPR 5, MERV 8

$7.90

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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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Filterbuy 18x21x1 HVAC Air Filters Sample 2 Pack AC Furnace Merv 11 13
Filterbuy 18x21x1 HVAC Air Filters Sample 2 Pack AC Furnace Merv 11 13

$22.95

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Pamlico 21-1/2 x 23-5/16  x 1 MERV 13 Pleated Air Filters.  Case of 12
Pamlico 21-1/2 x 23-5/16 x 1 MERV 13 Pleated Air Filters. Case of 12

$125.97

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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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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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13 x 21-1/2 x 1 Air Filter Glasfloss ZL Series MERV 10 - Box of 12
13 x 21-1/2 x 1 Air Filter Glasfloss ZL Series MERV 10 - Box of 12

$104.95

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21 1/2 x 23 1/2 x 1 AC and Furnace Air Filter by Allergy - MERV 11 / Box of 6
21 1/2 x 23 1/2 x 1 AC and Furnace Air Filter by Allergy - MERV 11 / Box of 6

$37.99

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9 In. X 21.5 In. X 1 In. MERV 13 Premium Pleated Air Filter FPR 10
9 In. X 21.5 In. X 1 In. MERV 13 Premium Pleated Air Filter FPR 10

$23.84

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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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18x22x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6
18x22x1 Merv 13 Allergy Elite Pleated AC Furnace Filter - Case of 6

$89.95

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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 13x21x1 Air Filter 12-PACK MERV 8 Actual Size 13 x 21 x .75"
Filter King 13x21x1 Air Filter 12-PACK MERV 8 Actual Size 13 x 21 x .75"

$114.60

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Pamlico 13  x 21-1/2 x 1 MERV 13 ( FPR 10 ) Pleated Air Filters.  Case of 12
Pamlico 13 x 21-1/2 x 1 MERV 13 ( FPR 10 ) Pleated Air Filters. Case of 12

$113.97

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21-1/2x23-5/16x1 Air Filters, MERV 10, Pleated by Glasfloss 6-Pack, Made in USA
21-1/2x23-5/16x1 Air Filters, MERV 10, Pleated by Glasfloss 6-Pack, Made in USA

$69.86

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A+2000 Washable Air Filter Electrostatic MERV8 Lifetime Furnace HVAC Choose Size
A+2000 Washable Air Filter Electrostatic MERV8 Lifetime Furnace HVAC Choose Size

$102.95

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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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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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Filter King 21x23.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 23.5 x .75"
Filter King 21x23.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 23.5 x .75"

$58.76

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Filter King 21x22.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 22.5 x .75"
Filter King 21x22.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 22.5 x .75"

$49.96

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Filter King 21x21x1 Air Filter 12-PACK MERV 13 Actual Size 20.5 x 20.5 x .75"
Filter King 21x21x1 Air Filter 12-PACK MERV 13 Actual Size 20.5 x 20.5 x .75"

$175.53

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22x22x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack.
22x22x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack.

$43.97

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18 In. X 24 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13
18 In. X 24 In. X 1 In. Premium Pleated Air Filter FPR 10, MERV 13

$28.49

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

$49.96

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Filter King 21x13.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 13.5 x .75"
Filter King 21x13.5x1 Air Filter 4-PACK MERV 8 Actual Size 21 x 13.5 x .75"

$50.36

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Filter King 21x23.25x1 Air Filter 12-PACK MERV 13 Actual Size 21 x 23.25 x .75"
Filter King 21x23.25x1 Air Filter 12-PACK MERV 13 Actual Size 21 x 23.25 x .75"

$160.41

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21 1/2 x 21 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 12
21 1/2 x 21 1/2 x 1 AC and Furnace Air Filter by Aerostar - MERV 13, Box of 12

$137.85

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