Furnace Filter Emergency Prep in Home Improvement

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Overall pick AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter $7.48 $1.87/ea

Overall pick
AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter
Available in additional 9 options
current price $7.48
$1.87/ea
Options from $7.48 – $14.96

AAF Flanders 4-Pack 20" x 20" x 1" Nested Fiberglass MERV 1 Air Filter

4.5 out of 5 Stars. 12742 reviews
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Best seller Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $13.44

Best seller
Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
Available in additional 3 options
current price $13.44

Filtrete 16x20x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter

4.6 out of 5 Stars. 1017 reviews
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Filtrete Odor Reduction Air and Furnace Filter, 1200 MPR, 20 x 20 x 1 inch, 1 Filter $30.82 Was $78.60 $30.82/count

Filtrete Odor Reduction Air and Furnace Filter, 1200 MPR, 20 x 20 x 1 inch, 1 Filter
current price Now $30.82, Was $78.60
$30.82/count

Filtrete Odor Reduction Air and Furnace Filter, 1200 MPR, 20 x 20 x 1 inch, 1 Filter

4.7 out of 5 Stars. 138 reviews
Free shipping, arrives in 3+ days

Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $13.44

Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
current price $13.44

Filtrete 12x12x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter

4.7 out of 5 Stars. 516 reviews
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3M Filtrate Ultra Allergen Reduction Filter Slim Fit 20" x 25" x 4", 2-Pack $49.99

3M Filtrate Ultra Allergen Reduction Filter Slim Fit 20" x 25" x 4", 2-Pack
current price $49.99

3M Filtrate Ultra Allergen Reduction Filter Slim Fit 20" x 25" x 4", 2-Pack

4.6 out of 5 Stars. 254 reviews
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Filtrete 14x30x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $15.29

Filtrete 14x30x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
current price $15.29

Filtrete 14x30x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter

4.7 out of 5 Stars. 531 reviews
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18x24x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN! $99.95

18x24x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!
current price $99.95
+$12.99 shipping

18x24x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!

Shipping arrives in 3+ days

Aprilaire 213 Replacement Appliance Air Filters 8 Count $415.00

Aprilaire 213 Replacement Appliance Air Filters 8 Count
current price $415.00

Aprilaire 213 Replacement Appliance Air Filters 8 Count

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Only 1 left

Aprilaire 210 (2-Pack) - Clean Air Filter For Aprilaire Whole-Home Air Purifiers, MERV 11, For Dust $107.99 Was $122.51

Aprilaire 210 (2-Pack) - Clean Air Filter For Aprilaire Whole-Home Air Purifiers, MERV 11, For Dust
current price Now $107.99, Was $122.51

Aprilaire 210 (2-Pack) - Clean Air Filter For Aprilaire Whole-Home Air Purifiers, MERV 11, For Dust

5 out of 5 Stars. 11 reviews
Free shipping, arrives in 3+ days

Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack $45.09

Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack
current price $45.09

Filtrete 16x25x4 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 2 Pack

4.6 out of 5 Stars. 560 reviews
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BestAir HW2025-11R Honeywell 20x25x4 Series 2000 MERV 11 Furnace Filter $45.54 Was $94.62

BestAir HW2025-11R Honeywell 20x25x4 Series 2000 MERV 11 Furnace Filter
current price Now $45.54, Was $94.62

BestAir HW2025-11R Honeywell 20x25x4 Series 2000 MERV 11 Furnace Filter

4.3 out of 5 Stars. 37 reviews
Free shipping, arrives in 3+ days

Filtrete 14x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter $13.44

Filtrete 14x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter
current price $13.44

Filtrete 14x24x1 HVAC Furnace Air Filter, MPR 1000 MERV 11, Allergen Defense, 1 Filter

4.7 out of 5 Stars. 554 reviews
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Aprilaire 510 Replacement Filter $69.99

Aprilaire 510 Replacement Filter
Available in additional 2 options
current price $69.99
Options from $69.99 – $129.99

Aprilaire 510 Replacement Filter

3.8 out of 5 Stars. 5 reviews
Free shipping, arrives in 3+ days

SpiroPure 17.5X21X1 MERV 8 Pleated Air Filters - Made in USA (6 Pack) $53.22

SpiroPure 17.5X21X1 MERV 8 Pleated Air Filters - Made in USA (6 Pack)
current price $53.22

SpiroPure 17.5X21X1 MERV 8 Pleated Air Filters - Made in USA (6 Pack)

4.6 out of 5 Stars. 8 reviews
Free shipping, arrives in 3+ days

BestAir HW1620-8R Honeywell 16x20x4 Series 1000 MERV 8 Furnace Filter $37.20 Was $45.22

BestAir HW1620-8R Honeywell 16x20x4 Series 1000 MERV 8 Furnace Filter
current price Now $37.20, Was $45.22

BestAir HW1620-8R Honeywell 16x20x4 Series 1000 MERV 8 Furnace Filter

4.5 out of 5 Stars. 2 reviews
Free shipping, arrives Thu, Feb 19

Aprilaire Electrostatic 216 Filter for Aprilaire 2210 $126.34

Aprilaire Electrostatic 216 Filter for Aprilaire 2210
current price $126.34

Aprilaire Electrostatic 216 Filter for Aprilaire 2210

4.5 out of 5 Stars. 11 reviews
Free shipping, arrives in 3+ days

16x25x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN! $99.95

16x25x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!
current price $99.95
+$12.99 shipping

16x25x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!

5 out of 5 Stars. 1 reviews
Shipping arrives in 3+ days

20x20x2 MERV 13 Pleated AC Furnace Air Filters by Glasfloss Industries. 4 Pack $59.95 Was $76.98

20x20x2 MERV 13 Pleated AC Furnace Air Filters by Glasfloss Industries. 4 Pack
current price Now $59.95, Was $76.98

20x20x2 MERV 13 Pleated AC Furnace Air Filters by Glasfloss Industries. 4 Pack

4.9 out of 5 Stars. 23 reviews
Free shipping, arrives in 3+ days

6 Pack of 12x12x1 MERV 11 Pleated Air Filters by Glasfloss. Actual Size: 11-1/2 x 11-1/2 x 7/8 $55.95

6 Pack of 12x12x1 MERV 11 Pleated Air Filters by Glasfloss. Actual Size: 11-1/2 x 11-1/2 x 7/8
current price $55.95

6 Pack of 12x12x1 MERV 11 Pleated Air Filters by Glasfloss. Actual Size: 11-1/2 x 11-1/2 x 7/8

Free shipping, arrives in 3+ days

16x25x1 Electronic Air Filter Including Year Supply of Replacement Pads - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN! $149.99

16x25x1 Electronic Air Filter Including Year Supply of Replacement Pads - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!
current price $149.99

16x25x1 Electronic Air Filter Including Year Supply of Replacement Pads - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!

5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

AprilAire 413 Replacement Filter for AprilAire Whole-House Air Purifiers - MERV 13 Healthy Home Allergy Filter (Pack of 1) $60.38

AprilAire 413 Replacement Filter for AprilAire Whole-House Air Purifiers - MERV 13 Healthy Home Allergy Filter (Pack of 1)
Available in additional 2 sizes
current price $60.38
Options from $60.38 – $236.91

AprilAire 413 Replacement Filter for AprilAire Whole-House Air Purifiers - MERV 13 Healthy Home Allergy Filter (Pack of 1)

4.6 out of 5 Stars. 94 reviews
Free shipping, arrives in 3+ days

100+ bought since yesterday Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter $18.47

100+ bought since yesterday
Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter
current price $18.47

Filtrete 20x20x1 HVAC Furnace Air Filter, MPR 1500 MERV 12, Allergen, Bacteria and Virus, 1 Filter

4.7 out of 5 Stars. 1063 reviews
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BestAir HW2025-8R Honeywell 20x25x4 Series 1000 MERV 8 Furnace Filter $41.95 Was $79.66

BestAir HW2025-8R Honeywell 20x25x4 Series 1000 MERV 8 Furnace Filter
current price Now $41.95, Was $79.66

BestAir HW2025-8R Honeywell 20x25x4 Series 1000 MERV 8 Furnace Filter

3 out of 5 Stars. 2 reviews
Free shipping, arrives in 3+ days

LifeSupplyUSA 12x12x1 Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting $29.99 $29.99/count

LifeSupplyUSA 12x12x1 Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting
Available in additional 16 sizes
current price $29.99
$29.99/count
Options from $29.99 – $52.99

LifeSupplyUSA 12x12x1 Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting

4.4 out of 5 Stars. 20 reviews
Free shipping, arrives in 3+ days

Wingman1 - 20x25x1 Electronic AC Furnace Air Filter Replacement Pads Year Supply - 4 Changes $49.97

Wingman1 - 20x25x1 Electronic AC Furnace Air Filter Replacement Pads Year Supply - 4 Changes
current price $49.97

Wingman1 - 20x25x1 Electronic AC Furnace Air Filter Replacement Pads Year Supply - 4 Changes

5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

True Blue 18 in. W X 24 in. H X 1 in. D Fiberglass 2 MERV Air Filter 1 pk $52.37

True Blue 18 in. W X 24 in. H X 1 in. D Fiberglass 2 MERV Air Filter 1 pk
Available in additional 5 sizes
current price $52.37
Options from $51.52

True Blue 18 in. W X 24 in. H X 1 in. D Fiberglass 2 MERV Air Filter 1 pk

4.3 out of 5 Stars. 17 reviews
Free shipping, arrives in 3+ days

BestAir HW1625-11R Honeywell 16x25x4 Series 2000 MERV 11 Furnace Filter $33.00 Was $38.28

BestAir HW1625-11R Honeywell 16x25x4 Series 2000 MERV 11 Furnace Filter
current price Now $33.00, Was $38.28

BestAir HW1625-11R Honeywell 16x25x4 Series 2000 MERV 11 Furnace Filter

4.3 out of 5 Stars. 11 reviews
Free shipping, arrives in 3+ days

3 Pack of 14x25x2 MERV 10 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 13-1/2 x 24-1/2 x 1-3/4 $34.95

3 Pack of 14x25x2 MERV 10 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 13-1/2 x 24-1/2 x 1-3/4
current price $34.95

3 Pack of 14x25x2 MERV 10 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 13-1/2 x 24-1/2 x 1-3/4

Free shipping, arrives in 3+ days

GeneralAire AC-1 Replacement Air Filters, MERV-11 $55.33

GeneralAire AC-1 Replacement Air Filters, MERV-11
current price $55.33

GeneralAire AC-1 Replacement Air Filters, MERV-11

5 out of 5 Stars. 6 reviews
Free shipping, arrives in 3+ days

20x20x1 Electronic Air Filter Including Year Supply of Replacement Pads - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN! $149.99

20x20x1 Electronic Air Filter Including Year Supply of Replacement Pads - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!
current price $149.99

20x20x1 Electronic Air Filter Including Year Supply of Replacement Pads - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!

5 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

14x25x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN! $99.95

14x25x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!
current price $99.95
+$12.99 shipping

14x25x1 Electronic Air Filter - Homeowner Installed- Simply Replace Your Current AC Furnace Air Filter and PLUG IT IN!

Shipping arrives in 3+ days

BestAir AB1625-11R Trion/AirBear 16x25x5 Series 2000 MERV 11 Furnace Filter $38.96 Was $43.51

BestAir AB1625-11R Trion/AirBear 16x25x5 Series 2000 MERV 11 Furnace Filter
current price Now $38.96, Was $43.51

BestAir AB1625-11R Trion/AirBear 16x25x5 Series 2000 MERV 11 Furnace Filter

4.7 out of 5 Stars. 10 reviews
Free shipping, arrives in 3+ days

GeneralAire 4556 6FM2020 MERV11 Air Filter 20x20x5 $45.50

GeneralAire 4556 6FM2020 MERV11 Air Filter 20x20x5
current price $45.50

GeneralAire 4556 6FM2020 MERV11 Air Filter 20x20x5

4 out of 5 Stars. 1 reviews
Free shipping, arrives in 3+ days

10x24x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack $42.95 Was $52.18

10x24x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack
current price Now $42.95, Was $52.18

10x24x1 MERV 8 Pleated AC Furnace Air Filters. 6 Pack

4.9 out of 5 Stars. 22 reviews
Free shipping, arrives in 3+ days

SpiroPure 17.5X21.5X1 MERV 8 Pleated Air Filters - Made in USA (6 Pack) $50.91

SpiroPure 17.5X21.5X1 MERV 8 Pleated Air Filters - Made in USA (6 Pack)
current price $50.91

SpiroPure 17.5X21.5X1 MERV 8 Pleated Air Filters - Made in USA (6 Pack)

Free shipping, arrives in 3+ days

Trion 259112-102 Air Bear 20x25x5 Inch MERV 11 Air Purifier Filter (3 Pack) $112.95

Trion 259112-102 Air Bear 20x25x5 Inch MERV 11 Air Purifier Filter (3 Pack)
current price $112.95

Trion 259112-102 Air Bear 20x25x5 Inch MERV 11 Air Purifier Filter (3 Pack)

4 out of 5 Stars. 9 reviews
Free shipping, arrives in 3+ days

AIRx Filters 16x25x5 MERV 8 HVAC AC Furnace Air Filter Replacement for Honeywell FC100A1029 CF200A1008 CF200D1625, Dust 2-Pack, Made in the USA $54.59

AIRx Filters 16x25x5 MERV 8 HVAC AC Furnace Air Filter Replacement for Honeywell FC100A1029 CF200A1008 CF200D1625, Dust 2-Pack, Made in the USA
current price $54.59

AIRx Filters 16x25x5 MERV 8 HVAC AC Furnace Air Filter Replacement for Honeywell FC100A1029 CF200A1008 CF200D1625, Dust 2-Pack, Made in the USA

Free shipping, arrives Thu, Feb 19

3 Pack of 12x24x2 MERV 13 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 11-3/8 x 23-3/8 x 1-3/4 $54.98

3 Pack of 12x24x2 MERV 13 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 11-3/8 x 23-3/8 x 1-3/4
current price $54.98

3 Pack of 12x24x2 MERV 13 Pleated 2" Inch Air Filters by Glasfloss. Actual Size: 11-3/8 x 23-3/8 x 1-3/4

Free shipping, arrives in 3+ days

Honeywell POPUP2200, 20 x 25 x 6 inches - MERV 11 Replacement Filter for Aprilaire, Space-Gard $56.03

Honeywell POPUP2200, 20 x 25 x 6 inches - MERV 11 Replacement Filter for Aprilaire, Space-Gard
current price $56.03

Honeywell POPUP2200, 20 x 25 x 6 inches - MERV 11 Replacement Filter for Aprilaire, Space-Gard

4.6 out of 5 Stars. 25 reviews
Free shipping, arrives in 3+ days

Wingman1 - 20x24x1 Electronic AC Furnace Air Filter Replacement Pads Year Supply - 4 Changes $49.97

Wingman1 - 20x24x1 Electronic AC Furnace Air Filter Replacement Pads Year Supply - 4 Changes
current price $49.97

Wingman1 - 20x24x1 Electronic AC Furnace Air Filter Replacement Pads Year Supply - 4 Changes

Free shipping, arrives in 3+ days