Results for external filter for furnace

3 - Pack Super - Value! HDX 16x25x1 in Furnace Air Filters, FPR 5, MERV 8, More Discounts When Buying 4 Sets, Easy to Stockpile Captures and traps dust mites, pollen, lint, and pet dander The FPR 5 filter with a MERV 8 rating can last up to 90-days sponge
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3 - Pack Super - Value! HDX 16x25x1 in Furnace Air Filters, FPR 5, MERV 8, More Discounts When Buying 4 Sets, Easy to Stockpile Captures and traps dust mites, pollen, lint, and pet dander The FPR 5 filter with a MERV 8 rating can last up to 90-days sponge

$20.00
212 MAIN Table Mountain MERV 8 Reusable Square Furnace Filter - 20x20 in, 1 in Thick, Washable Mesh, Collapsible Frame, Household Appliance Accessory
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212 MAIN Table Mountain MERV 8 Reusable Square Furnace Filter - 20x20 in, 1 in Thick, Washable Mesh, Collapsible Frame, Household Appliance Accessory

-26%$52.87$71.37
14 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
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14 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

$20.99
Cabana Air Filters 6 Pack HVAC Furnace Air Filters, MERV 8, 18 x 18 x 1, White
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Spreetail

Cabana Air Filters 6 Pack HVAC Furnace Air Filters, MERV 8, 18 x 18 x 1, White

5.04 sold
$39.99
Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting by LifeSupplyUSA (Multiple Sizes)
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Electrostatic Air Filter, MERV 8, Washable, Reusable Furnace AC/HVAC Filter, Energy Saving, Easy to Clean, Long-Lasting by LifeSupplyUSA (Multiple Sizes)

$29.99
MERV 11 AC/HVAC Furnace Air Filter, 16x20x1 in ABS Frame, Available in Multi-Pack Options (4, 5, 8 Packs) and Filter Paper Only Variation
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MERV 11 AC/HVAC Furnace Air Filter, 16x20x1 in ABS Frame, Available in Multi-Pack Options (4, 5, 8 Packs) and Filter Paper Only Variation

$24.99
18x20x1 Air Filter,MERV 8,Furnace Air Filter for HVAC,Dust Defense-4packs by MIFLUS 11 High Performance
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18x20x1 Air Filter,MERV 8,Furnace Air Filter for HVAC,Dust Defense-4packs by MIFLUS 11 High Performance

-20%$35.00$43.99
VEVOR Electrostatic Air Filter, 20x25x4 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.37 x 24.37 x 3.58 in), Aluminum Frame, Merv 8 Rating
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VEVOR Electrostatic Air Filter, 20x25x4 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.37 x 24.37 x 3.58 in), Aluminum Frame, Merv 8 Rating

Limited time deal
$82.07
Air Vent Filters Roll 12X90 Inch 48Pcs Electrostatic Air Filter for AC, HVAC Furnace, Grilles, and Mobile Homes - MERV 8 Triple Filtration
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Air Vent Filters Roll 12X90 Inch 48Pcs Electrostatic Air Filter for AC, HVAC Furnace, Grilles, and Mobile Homes - MERV 8 Triple Filtration

$48.99
18 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
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18 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

$20.99
12 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
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12 in. x 24 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

5.01 sold
$20.99
Electrostatic Air Filter, 20x25x1 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.75 x 24.65 x 0.82 in)
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Electrostatic Air Filter, 20x25x1 inch Washable & Reusable Aluminum AC/HVAC Furnace Filter, MERV 8 Long Lifetime, Home or Office (Actual Size: 19.75 x 24.65 x 0.82 in)

$84.83
HDX 20 in x 20 in x 1 in Standard Pleated Furnace Air Filter FPR 5 MERV 8 3-Pack 17 1/2 x 23 1/2 x 1 inch
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HDX 20 in x 20 in x 1 in Standard Pleated Furnace Air Filter FPR 5 MERV 8 3-Pack 17 1/2 x 23 1/2 x 1 inch

5.04 sold
Limited time deal
-35%$19.99$30.99
20 in. x 25 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) Air Purifier

20 in. x 25 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack) Air Purifier

5.04 sold
Limited time deal00:00:00
-35%$16.99$25.99
212 MAIN Reusable MERV 8 Household Furnace Filter, 20x25x1 in Collapsible Pollutant Trap with Table Mountain Design, Washable Mesh Appliance Part
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212 MAIN Reusable MERV 8 Household Furnace Filter, 20x25x1 in Collapsible Pollutant Trap with Table Mountain Design, Washable Mesh Appliance Part

-26%$50.98$68.82
20 in. x 25 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
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20 in. x 25 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

$20.99
16 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
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16 in. x 20 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

$22.99
12x20x1 Air Filter,MERV 8,Furnace Air Filter for HVAC,Dust Defense-4packs by MIFLUS
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12x20x1 Air Filter,MERV 8,Furnace Air Filter for HVAC,Dust Defense-4packs by MIFLUS

-19%$32.23$39.99
Table Mountain 136501 20 x 20 x 1 in. Washable Furnace Air Filter
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Table Mountain 136501 20 x 20 x 1 in. Washable Furnace Air Filter

-26%$52.87$71.37
Table Mountain 136502 20 x 25 x 1 in. Washable Furnace Air Filter
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Table Mountain 136502 20 x 25 x 1 in. Washable Furnace Air Filter

-26%$50.98$68.82
14 in. x 18 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
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14 in. x 18 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

$20.99
20x20x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems
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20x20x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems

4.05 sold
$65.00
16x20x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems (Made in USA)
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16x20x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems (Made in USA)

5.02 sold
$65.00
20x25x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems (Made in USA)
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20x25x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems (Made in USA)

$65.00
16x25x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems (Made in USA)
Free shipping

16x25x1 AC Air Filters (MERV-8) by Ned Air Filters for Air Conditioner, Furnace, Heat Pump & HVAC Systems (Made in USA)

$65.00
MIFLUS 16x25x1 MERV 8 Furnace Filter, 6-Pack – 11-Stage High Performance Purifier, Traps Dust/Pollen/Pet Dander, Eco-Friendly, 2x Deep Pleats, 18-Month Supply, No Tools Needed
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MIFLUS 16x25x1 MERV 8 Furnace Filter, 6-Pack – 11-Stage High Performance Purifier, Traps Dust/Pollen/Pet Dander, Eco-Friendly, 2x Deep Pleats, 18-Month Supply, No Tools Needed

-27%$38.79$52.99
16 in. x 25 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
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16 in. x 25 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

Limited time deal00:00:00
-25%$22.50$30.00
24 in. x 30 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)
Free shipping

24 in. x 30 in. x 1 in. Standard Pleated Furnace Air Filter FPR 5, MERV 8 (3-Pack)

5.05 sold
$24.99
REair Washable and Reusable Air Filter for AC HVAC Furnace, MREV 8 Air Filters Machine Washable & Dryer Friendly, AC Furnace Air Filter White
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REair Washable and Reusable Air Filter for AC HVAC Furnace, MREV 8 Air Filters Machine Washable & Dryer Friendly, AC Furnace Air Filter White

4.75.3K sold
$39.99
REair Washable and Reusable Air Filter for AC HVAC Furnace, MREV 8 Air Filters Machine Washable & Dryer Friendly, AC Furnace Air Filter White
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REair Washable and Reusable Air Filter for AC HVAC Furnace, MREV 8 Air Filters Machine Washable & Dryer Friendly, AC Furnace Air Filter White

4.9190 sold
Limited time deal00:00:00
$39.99

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