20x20x4-air-filter-merv-13

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Filterbuy 20x20x4 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
Filterbuy 20x20x4 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

$56.10

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Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 2 Pack
Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 2 Pack

$50.08

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Aerostar 20x20x4 Commercial HVAC Filter - Merv 13, Box of 12
Aerostar 20x20x4 Commercial HVAC Filter - Merv 13, Box of 12

$228.98

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Nordic Pure 20x20x4 (3 5/8) Pleated MERV 13 Air Filter 1 Pack
Nordic Pure 20x20x4 (3 5/8) Pleated MERV 13 Air Filter 1 Pack

$36.99

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KOCH Filter Multi-Pleat MERV 13, 20x20x4, Lot of 2
KOCH Filter Multi-Pleat MERV 13, 20x20x4, Lot of 2

$75.00

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Nordic Pure 20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 1 Pack
Nordic Pure 20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 1 Pack

$39.99

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20x20x4 MERV 13 Pleated Air Filters by Glasfloss.  2 Pack (Actual Depth: 3-3/4")
20x20x4 MERV 13 Pleated Air Filters by Glasfloss. 2 Pack (Actual Depth: 3-3/4")

$50.97

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Honeywell - FC200E1011 Pleated Air Filter 20" x 20" x 4" MERV 13
Honeywell - FC200E1011 Pleated Air Filter 20" x 20" x 4" MERV 13

$81.95

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2-Pack Brand New 313 MERV 13 Air Filter Honeywell 20x20x4 - In Box - TWO PACK
2-Pack Brand New 313 MERV 13 Air Filter Honeywell 20x20x4 - In Box - TWO PACK

$20.00

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Nordic Pure Honeywell/Lennox 20x20x5 Replacement 12 Air Filter 1 Merv 1 2 4 Pack
Nordic Pure Honeywell/Lennox 20x20x5 Replacement 12 Air Filter 1 Merv 1 2 4 Pack

$62.98

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Pamlico 20x20x4 MERV 13 ( FPR 10 ) Pleated 4" Air Filters.  Case of 6
Pamlico 20x20x4 MERV 13 ( FPR 10 ) Pleated 4" Air Filters. Case of 6

$124.41

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20x20x4 Slim MERV 13 Furnace Air Filter, 1 Pack
20x20x4 Slim MERV 13 Furnace Air Filter, 1 Pack

$35.00

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KOCH Filter Multi-Pleat Green13 MERV 13, 20x20x4, Box of 6 Filters
KOCH Filter Multi-Pleat Green13 MERV 13, 20x20x4, Box of 6 Filters

$189.00

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313 Replacement Furnace Air Filter Compatible With AprilAire MERV 13 20X20X4
313 Replacement Furnace Air Filter Compatible With AprilAire MERV 13 20X20X4

$37.80

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20x20x4 in. Honeywell Replacement Pleated Air Filter Replacement MERV 13 FPR 9
20x20x4 in. Honeywell Replacement Pleated Air Filter Replacement MERV 13 FPR 9

$42.16

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BNX TRUFILTER 20X20X4 MERV 13
BNX TRUFILTER 20X20X4 MERV 13

$45.00

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Nordic Pure 20x20x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack
Nordic Pure 20x20x4 (3 5/8) Pleated MERV 13 Air Filters 2 Pack

$58.99

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Genuine Aprilaire 313 Air Filter 2 Pack Replacement Filters 20x20x4 MERV13
Genuine Aprilaire 313 Air Filter 2 Pack Replacement Filters 20x20x4 MERV13

$94.99

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OEM Honeywell FC200E1011 Pleated Air Filter 20" x 20" x 4" MERV 13 FREE SHIPPING
OEM Honeywell FC200E1011 Pleated Air Filter 20" x 20" x 4" MERV 13 FREE SHIPPING

$69.95

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Nordic Pure 20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack
Nordic Pure 20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 2 Pack

$66.99

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20x20x4 MERV 13 Pleated Air Filters by Mann+Hummel. 3 Pack.
20x20x4 MERV 13 Pleated Air Filters by Mann+Hummel. 3 Pack.

$73.41

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NIB NEW Aprilaire 313 Genuine Home Replacement Air Filter Merv 13 / 20x20x4
NIB NEW Aprilaire 313 Genuine Home Replacement Air Filter Merv 13 / 20x20x4

$44.95

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313 Replacement Filter,20x20x4 MERV13 Air Filter, Furnace 1310, 2310, 3310, 4300
313 Replacement Filter,20x20x4 MERV13 Air Filter, Furnace 1310, 2310, 3310, 4300

$34.88

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Simply Filters 20x20x4 MERV 13, MPR 1500, AC Furnace HVAC Air Filter
Simply Filters 20x20x4 MERV 13, MPR 1500, AC Furnace HVAC Air Filter

$54.99

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Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 1 Pack
Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 1 Pack

$35.45

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Nordic Pure 20x20x5 (19_5/8 x 19_7/8  Assorted Styles , Pattern Names , Sizes
Nordic Pure 20x20x5 (19_5/8 x 19_7/8 Assorted Styles , Pattern Names , Sizes

$55.66

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack

$59.68

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Nordic Pure 20x20x4 Pleated Air Filters MERV 15 Plus Carbon 2 Pack
Nordic Pure 20x20x4 Pleated Air Filters MERV 15 Plus Carbon 2 Pack

$49.99

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Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 4 Pack
Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 4 Pack

$98.59

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Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 3 Pack
Aerostar 20x20x4 Slim MERV 13 Furnace Air Filter, 3 Pack

$74.12

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KOCH Filter Multi-Pleat Green13 MERV 13, 20x20x4, Box of 6 Filters
KOCH Filter Multi-Pleat Green13 MERV 13, 20x20x4, Box of 6 Filters

$169.00

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Canopy 20x20x4 (19 3/4" x 19 7/8" x 4 3/8") MERV 13, Max Allergen Protection
Canopy 20x20x4 (19 3/4" x 19 7/8" x 4 3/8") MERV 13, Max Allergen Protection

$51.65

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20x20x4 MERV 13 Compatible Honeywell Return Grille Filter FC40R1003 Air Filter -
20x20x4 MERV 13 Compatible Honeywell Return Grille Filter FC40R1003 Air Filter -

$109.97

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AprilAire 313 Media Filter MERV 13, 20 x 20 x 4
AprilAire 313 Media Filter MERV 13, 20 x 20 x 4

$76.12

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LUXOTON for AprilAire 313 Replacement Filter - 1 Pack Collapsible Furnace Filter
LUXOTON for AprilAire 313 Replacement Filter - 1 Pack Collapsible Furnace Filter

$39.99

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20x20x4 MERV 13 Pleated Air Filters by Mann+Hummel. Case of 6.
20x20x4 MERV 13 Pleated Air Filters by Mann+Hummel. Case of 6.

$148.89

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LUXOTON for AprilAire 213 Replacement Filter - 2 Pack Collapsible Furnace Filter
LUXOTON for AprilAire 213 Replacement Filter - 2 Pack Collapsible Furnace Filter

$71.99

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox Replacement MERV 13 Air Fi...
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox Replacement MERV 13 Air Fi...

$61.01

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313 Replacement Filter Compatible with Ap-rilAire 313 Air Purifi-ers, Whole Hous
313 Replacement Filter Compatible with Ap-rilAire 313 Air Purifi-ers, Whole Hous

$48.59

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6-AIRFLOW 20x20x4 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
6-AIRFLOW 20x20x4 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

$55.97

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(2) Filterbuy 20x20x4 Pleated Air Filters Replacement for HVAC Furnace (MERV 13)
(2) Filterbuy 20x20x4 Pleated Air Filters Replacement for HVAC Furnace (MERV 13)

$51.15

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Genuine Aprilaire 313 Air Filter 2 Pack Replacement Filters 20x20x4 MERV13
Genuine Aprilaire 313 Air Filter 2 Pack Replacement Filters 20x20x4 MERV13

$99.99

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Nordic Pure 20x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack
Nordic Pure 20x20x4 (3 5/8) Pleated MERV 13 Air Filters 6 Pack

$159.99

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FilterBuy Merv 13 Platinum Air Filter 20x20x4
FilterBuy Merv 13 Platinum Air Filter 20x20x4

$32.50

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Canopy 20x20x4 MERV  13,  Furnace AC Air Filter, 20 x 20 x 4, 3pk
Canopy 20x20x4 MERV 13, Furnace AC Air Filter, 20 x 20 x 4, 3pk

$50.00

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Nordic Pure 20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack
Nordic Pure 20x20x4 (3 5/8) Pleated Air Filters MERV 13 Plus Carbon 6 Pack

$179.99

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20x20x4 MERV 13 AC Air Filters. 6 PACK.  Actual Size: 19-1/2 x 19-1/2 x 3-3/4
20x20x4 MERV 13 AC Air Filters. 6 PACK. Actual Size: 19-1/2 x 19-1/2 x 3-3/4

$135.63

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Nordic Pure 20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox - MERV 13
Nordic Pure 20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox - MERV 13

$31.00

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Proairtek AF20204M13SWH Model MERV13 20x20x4 Air Filter For Anyone Wanting Clean
Proairtek AF20204M13SWH Model MERV13 20x20x4 Air Filter For Anyone Wanting Clean

$31.88

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Proairtek AF20204M13SWH Model MERV13 20x20x4 Air Filters (Pack of 2)
Proairtek AF20204M13SWH Model MERV13 20x20x4 Air Filters (Pack of 2)

$29.99

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Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC A...
Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC A...

$100.37

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack

$60.77

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Filterbuy 20x20x4 Air Filter Merv 13 HVAC Furnace(2 Pack) 1 Sealed & 1 Not
Filterbuy 20x20x4 Air Filter Merv 13 HVAC Furnace(2 Pack) 1 Sealed & 1 Not

$44.95

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Atomic 20x20x4 MERV 13 Pleated AC Furnace Filter - 3 Pack
Atomic 20x20x4 MERV 13 Pleated AC Furnace Filter - 3 Pack

$85.95

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20x20x4 MERV 13 Pleated AC Furnace Air Filters.  2 Pack (Actual Depth: 3-3/4")
20x20x4 MERV 13 Pleated AC Furnace Air Filters. 2 Pack (Actual Depth: 3-3/4")

$50.97

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Proairtek AF20204M13SWH Model MERV13 20x20x4 Air Filters (Pack of 4)
Proairtek AF20204M13SWH Model MERV13 20x20x4 Air Filters (Pack of 4)

$54.99

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack

$60.77

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AprilAire 313 Replacement Filter Merv 13 Whole House Air Purifier 20x20x4
AprilAire 313 Replacement Filter Merv 13 Whole House Air Purifier 20x20x4

$49.99

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Honeywell FC200E1011 (2-Pack) - 20" x 20" x 4" Pleated Air Filter, MERV 13
Honeywell FC200E1011 (2-Pack) - 20" x 20" x 4" Pleated Air Filter, MERV 13

$130.97

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack

$60.77

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313 Replacement Filter Compatible with MERV 13 Airpurifier 2 In Pack
313 Replacement Filter Compatible with MERV 13 Airpurifier 2 In Pack

$26.00

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Made in USA 20" x 20" x 4", 80 to 85% Efficiency, Wire-Backed Pleated Air Fil...
Made in USA 20" x 20" x 4", 80 to 85% Efficiency, Wire-Backed Pleated Air Fil...

$46.21

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2 Pack MERV 13 20x20x4 Replacement Filters Compatible with AprilAire Purifiers
2 Pack MERV 13 20x20x4 Replacement Filters Compatible with AprilAire Purifiers

$139.99

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BNX TruFilter 20x20x4 (19 1/2’’ x 19 1/2’’ x 3 5/8'’) MERV 13 Air Filter (Sli...
BNX TruFilter 20x20x4 (19 1/2’’ x 19 1/2’’ x 3 5/8'’) MERV 13 Air Filter (Sli...

$83.58

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313 Replacement Filter for  Whole House Air Purifiers - MERV 13, Healthy Home Al
313 Replacement Filter for Whole House Air Purifiers - MERV 13, Healthy Home Al

$93.76

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BNX TruFilter 20x20x4 Slim Fit MERV 13 Air Filter (2-Pack) - New - 20 x 20 x 4
BNX TruFilter 20x20x4 Slim Fit MERV 13 Air Filter (2-Pack) - New - 20 x 20 x 4

$79.99

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Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC A...
Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (6-Pack), Pleated HVAC A...

$148.52

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack

$60.77

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack

$60.77

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filter 1 Pack

$61.60

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Filterbuy 20x20x4 Merv 13 Replacement Air Filters For HVAC AC Furnace 2 Pk
Filterbuy 20x20x4 Merv 13 Replacement Air Filters For HVAC AC Furnace 2 Pk

$45.00

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20x20x1 MERV 13 (6-Pack) Electrostatic Pleated Air Filters, Furnace Filters, ...
20x20x1 MERV 13 (6-Pack) Electrostatic Pleated Air Filters, Furnace Filters, ...

$83.30

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Electrostatic Pleated Air Filters 6-Pack MERV 13 - 20x20x1 HVAC Replacement
Electrostatic Pleated Air Filters 6-Pack MERV 13 - 20x20x1 HVAC Replacement

$111.99

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20x20x4 (19-1/2x19-1/2) DP Green 13 Pleated Panel Filter MERV 13 2-Pack
20x20x4 (19-1/2x19-1/2) DP Green 13 Pleated Panel Filter MERV 13 2-Pack

$80.29

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MERV 13 Replacement Air Filter 20x20x4 for Whole House Purifiers - Easy Install
MERV 13 Replacement Air Filter 20x20x4 for Whole House Purifiers - Easy Install

$117.93

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High-Efficiency Electrostatically Charged Air Filters 20x20x1 MERV 13 Pack
High-Efficiency Electrostatically Charged Air Filters 20x20x1 MERV 13 Pack

$79.99

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Aprilaire 313 Media Filter for Whole Home Air Purifier Merv 13 20 x 20 x 4
Aprilaire 313 Media Filter for Whole Home Air Purifier Merv 13 20 x 20 x 4

$100.79

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AG0446403 TRP FILTER 20X20X4 DPGREEN MERV 13 PL
AG0446403 TRP FILTER 20X20X4 DPGREEN MERV 13 PL

$32.21

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Filterbuy 20X20X4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC F
Filterbuy 20X20X4 Air Filter MERV 13 Optimal Defense (4-Pack), Pleated HVAC AC F

$100.24

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AprilAire 313 Replacement Filter for Whole House Air Purifiers -...
AprilAire 313 Replacement Filter for Whole House Air Purifiers -...

$147.46

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Aerostar 20x20x4 MERV 13 Furnace Air Filter, 6 Pack P24s.042020
Aerostar 20x20x4 MERV 13 Furnace Air Filter, 6 Pack P24s.042020

$179.99

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20x20x4 PREpleat MERV 13 Extended Surface 90013.042020 (6 Filters)
20x20x4 PREpleat MERV 13 Extended Surface 90013.042020 (6 Filters)

$281.99

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Filterbuy 20x20x4 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)
Filterbuy 20x20x4 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 13)

$50.49

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20x20x4 (19-1/2x19-1/2) DP Green 13 Pleated Panel Filter MERV 13 4-Pack
20x20x4 (19-1/2x19-1/2) DP Green 13 Pleated Panel Filter MERV 13 4-Pack

$156.29

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Nordic Pure 20x20x5 (19_5/8 x 19_7/8 x 4_3/8) 2 Count (Pack of 1), MERV 12
Nordic Pure 20x20x5 (19_5/8 x 19_7/8 x 4_3/8) 2 Count (Pack of 1), MERV 12

$81.74

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20x25x1 MERV 13 Air Filters - 6-Pack Easy Installation for Cleaner Living
20x25x1 MERV 13 Air Filters - 6-Pack Easy Installation for Cleaner Living

$89.59

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Effortless Air Quality Upgrade: 2-Pack MERV 13 Filters for AprilAire 1310 & 2310
Effortless Air Quality Upgrade: 2-Pack MERV 13 Filters for AprilAire 1310 & 2310

$139.99

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Nordic Pure 20x20x5 (19_5/8 x 19_7/8 x 4_3/8) 19.9" x 19.6" x 4.4"
Nordic Pure 20x20x5 (19_5/8 x 19_7/8 x 4_3/8) 19.9" x 19.6" x 4.4"

$83.65

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filters 2 Pack
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox 13 Air Filters 2 Pack

$121.23

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2-Pack 313 air filter replacement Compatible with aprilaire 313 replacement f...
2-Pack 313 air filter replacement Compatible with aprilaire 313 replacement f...

$127.19

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Nordic Pure 20x20x5 MERV 12 Honeywell/Lennox 2 Count (Pack of 1), 12
Nordic Pure 20x20x5 MERV 12 Honeywell/Lennox 2 Count (Pack of 1), 12

$85.45

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PURAFILTER  Pleated Filter,Panel,MERV 13,500 fpm 785TM8 PK 6
PURAFILTER Pleated Filter,Panel,MERV 13,500 fpm 785TM8 PK 6

$203.28

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Premium 6 Pack Pleated Air Filters 19.5"x19.5" for Allergens and Dust Control
Premium 6 Pack Pleated Air Filters 19.5"x19.5" for Allergens and Dust Control

$214.39

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Filters Fast 4" HVAC 3-PACK MERV 13 Air and Furnace Filters Made in the USA
Filters Fast 4" HVAC 3-PACK MERV 13 Air and Furnace Filters Made in the USA

$92.99

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Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (1-Pack), Pleated HVAC AC F
Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (1-Pack), Pleated HVAC AC F

$79.99

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Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC F
Filterbuy 20x20x4 Air Filter MERV 13 Optimal Defense (2-Pack), Pleated HVAC AC F

$96.99

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20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox Replacement MERV 13 Air Fi...
20x20x5 (19_5/8 x 19_7/8 x 4_3/8) Honeywell/Lennox Replacement MERV 13 Air Fi...

$61.01

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GRAINGER 6B601 Mini-Pleat Air Filter,20x20x4,MERV 13 6B601 PK 2
GRAINGER 6B601 Mini-Pleat Air Filter,20x20x4,MERV 13 6B601 PK 2

$202.34

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