Shop Find Furnace Filter Size

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$83.76
20X25x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 0.75 Inches)
FilterBuy.com
658
$83.76
20X25x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 0.75 Inches)
FilterBuy.com
658
$84.96
16X20x4 Air Filter (4-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
18K+
$84.96
16X20x4 Air Filter (4-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
18K+
$81.40
14X18x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.50 X 17.50 X 3.63 Inches)
FilterBuy.com
$81.40
14X18x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.50 X 17.50 X 3.63 Inches)
FilterBuy.com
$68.16
8X44x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 8 Filter King
Filter King
$68.16
8X44x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 8 Filter King
Filter King
$50.40
16X25x1 Air Filter (6 Pack) / HVAC Pleated A/C Furnace Filter MERV 11 Filter King
Filter King
42
$50.40
16X25x1 Air Filter (6 Pack) / HVAC Pleated A/C Furnace Filter MERV 11 Filter King
Filter King
42
$100.68
20X34x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 13 Filter King
Filter King
4
$100.68
20X34x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 13 Filter King
Filter King
4
$76.20
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
Amazon.com
928
Free shipping
$76.20
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
Amazon.com
928
$77.16
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
100
Free shipping
$77.16
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
100
$170.08
Goodman-Amana 0160M00017 Merv 15 Replacement Filter For Dv15-2817-Fb, 0160M00017 | Supplyhouse.Com
SupplyHouse.com
$170.08
Goodman-Amana 0160M00017 Merv 15 Replacement Filter For Dv15-2817-Fb, 0160M00017 | Supplyhouse.Com
SupplyHouse.com
$112.00
Aprilaire Stock 413 Merv 13 Filter Media Box Of 2
Shorty's HVAC Supplies
5
$112.00
Aprilaire Stock 413 Merv 13 Filter Media Box Of 2
Shorty's HVAC Supplies
5
$94.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
682
Free shipping
$94.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
682
$104.00
Aprilaire 210 Air Filter 2 Pack
Shorty's HVAC Supplies
$104.00
Aprilaire 210 Air Filter 2 Pack
Shorty's HVAC Supplies
$101.00
Aprilaire Air Filter Stock 410 2 Pack
Shorty's HVAC Supplies
1
$101.00
Aprilaire Air Filter Stock 410 2 Pack
Shorty's HVAC Supplies
1
$109.90
$123.69
AC1 Generalaire MERV 11 Replacement Air Filter By Generalaire, 2 Pk | Furnace & AC Filter | Pleated
Discount Filters
11% off
$109.90
$123.69
AC1 Generalaire MERV 11 Replacement Air Filter By Generalaire, 2 Pk | Furnace & AC Filter | Pleated
Discount Filters
$44.95
Lennox Healthy Climate 20X25x5 X6673 Merv 11 Box Filter
Walmart
4
Free shipping
$44.95
Lennox Healthy Climate 20X25x5 X6673 Merv 11 Box Filter
Walmart
4
$181.27
Modine HVAC 27X30x2 Geothermal Filter Compatible Replacement
AllFilters.com
Free shipping
$181.27
Modine HVAC 27X30x2 Geothermal Filter Compatible Replacement
AllFilters.com
Free shipping
$109.32
Grainger Non-Pleated Air Filter: 17X18x1 Nominal Filter Size, Fiberglass, Chipboard, 1 in Nominal Dp Model: 10055.011718
Grainger
$109.32
Grainger Non-Pleated Air Filter: 17X18x1 Nominal Filter Size, Fiberglass, Chipboard, 1 in Nominal Dp Model: 10055.011718
Grainger
$62.95
$76.95
16X25x4 MERV 10 Replacement Air Filter By Bryant/Carrier, 1 Pk | Furnace & AC Filter | Pleated
Discount Filters
18% off
$62.95
$76.95
16X25x4 MERV 10 Replacement Air Filter By Bryant/Carrier, 1 Pk | Furnace & AC Filter | Pleated
Discount Filters
$99.72
Grainger Non-Pleated Air Filter: 17X22x1 Nominal Filter Size, Fiberglass, Chipboard, 1 in Nominal Dp Model: 15A720
Grainger
$99.72
Grainger Non-Pleated Air Filter: 17X22x1 Nominal Filter Size, Fiberglass, Chipboard, 1 in Nominal Dp Model: 15A720
Grainger
$94.33
20X37x1 MERV 8 Geothermal Air Filter By IAQ, 4 Pk
Discount Filters
$94.33
20X37x1 MERV 8 Geothermal Air Filter By IAQ, 4 Pk
Discount Filters
$65.91
Goodman-Amana AMP-M0-1056 MERV 11 Media Filter (16" X 22" X 5"), AMP-M0-1056 | Supplyhouse.Com
SupplyHouse.com
$65.91
Goodman-Amana AMP-M0-1056 MERV 11 Media Filter (16" X 22" X 5"), AMP-M0-1056 | Supplyhouse.Com
SupplyHouse.com
$30.99
Nordyne 669064R Washable Replacement Air Filter
Alpine Home Air Products
69
$30.99
Nordyne 669064R Washable Replacement Air Filter
Alpine Home Air Products
69
$7.48
$15.07
Aaf Flanders 16" X 20" X 1" Nested Glass Merv 1 Air Filter (4 Filters)
Walmart
10K+
50% off
$7.48
$15.07
Aaf Flanders 16" X 20" X 1" Nested Glass Merv 1 Air Filter (4 Filters)
Walmart
10K+
$21.88
Filtrete 16X20x1 Hvac Furnace Air Filter, MPR 1000 Merv 11, Allergen Defense, 2 Filters
Walmart
874
$21.88
Filtrete 16X20x1 Hvac Furnace Air Filter, MPR 1000 Merv 11, Allergen Defense, 2 Filters
Walmart
874
$141.55
12X25x1 MERV 13 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$141.55
12X25x1 MERV 13 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$107.71
11X20x1 MERV 11 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$107.71
11X20x1 MERV 11 AC & Furnace Filters (6 Pack)
AllFilters.com
Free shipping
$59.99
$99.99
Washable Electrostatic Air Filter For AC Or Furnace 18.0 H X 18.0 W X 1.0 D In
Wayfair
501
Free shipping
40% off
$59.99
$99.99
Washable Electrostatic Air Filter For AC Or Furnace 18.0 H X 18.0 W X 1.0 D In
Wayfair
501
$83.45
Trane FLRQB5FR21M11 5" Qwikbox Replacement Filter, MERV 11 (2 Pack), FLRQB5FR21M11 | Supplyhouse.Com
SupplyHouse.com
4
$83.45
Trane FLRQB5FR21M11 5" Qwikbox Replacement Filter, MERV 11 (2 Pack), FLRQB5FR21M11 | Supplyhouse.Com
SupplyHouse.com
4
$47.48
Filtrete 20 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN5499283
OfficeSupply.com
$47.48
Filtrete 20 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN5499283
OfficeSupply.com
$43.95
Filtrete 16 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN2619546
OfficeSupply.com
$43.95
Filtrete 16 X 25 X 1 Air Filter, 12 HVAC Filters, MPR 700, Merv 8, Dust, Pollen & Pet Dander, 3 Month Pleated 1 Inch Electrostatic Air Filters ODFN2619546
OfficeSupply.com
$62.99
$69.99
Nordic Pure Pure Carbon Pleated Odor Reduction Furnace Air Filters, 24 X 24 X 1-In, 3 Count
Chewy.com
Free shipping
10% off
$62.99
$69.99
Nordic Pure Pure Carbon Pleated Odor Reduction Furnace Air Filters, 24 X 24 X 1-In, 3 Count
Chewy.com
Free shipping
$9.99
Stylecrest 1162036 Foam Filter 1/4 X 19 X 36
Alpine Home Air Products
$9.99
Stylecrest 1162036 Foam Filter 1/4 X 19 X 36
Alpine Home Air Products
$40.99
$54.99
Aluminum Electrostatic Air Filter MERV 8 Actual 0.82" H X 19.75" W X 24.65" D
Wayfair
5
Free shipping
25% off
$40.99
$54.99
Aluminum Electrostatic Air Filter MERV 8 Actual 0.82" H X 19.75" W X 24.65" D
Wayfair
5
$72.99
$81.10
Nordic Pure Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters, 20 X 25 X 4-In, 2 Count
Chewy.com
5
Free shipping
10% off
$72.99
$81.10
Nordic Pure Pure Carbon Pleated Odor Reduction Merv 8 Furnace Filters, 20 X 25 X 4-In, 2 Count
Chewy.com
5
$71.97
Grainger Furnace Air Cleaner Filter Model: 4E438
Grainger
1
$71.97
Grainger Furnace Air Cleaner Filter Model: 4E438
Grainger
1
$100.68
FILTER 20X20X1 MERV 7 MPR 600 12 PIECES ACTUAL SIZE 19.5 X 19.5 X 0.75 MADE IN THE USA At International Lighting
Interlight US
$100.68
FILTER 20X20X1 MERV 7 MPR 600 12 PIECES ACTUAL SIZE 19.5 X 19.5 X 0.75 MADE IN THE USA At International Lighting
Interlight US
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Shop Find Furnace Filter Size

Sponsored
About our ads
$83.76
20X25x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 0.75 Inches)
FilterBuy.com
658
$83.76
20X25x1 Air Filter (12-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 X 24.50 X 0.75 Inches)
FilterBuy.com
658
$84.96
16X20x4 Air Filter (4-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
18K+
$84.96
16X20x4 Air Filter (4-Pack), Pleated MERV 11 Allergen Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 15.50 X 19.50 X 3.63 Inches)
FilterBuy.com
18K+
$81.40
14X18x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.50 X 17.50 X 3.63 Inches)
FilterBuy.com
$81.40
14X18x4 Air Filter (4-Pack), Pleated MERV 8 Dust Defense HVAC AC Furnace Air Filters Replacement (Actual Size: 13.50 X 17.50 X 3.63 Inches)
FilterBuy.com
$68.16
8X44x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 8 Filter King
Filter King
$68.16
8X44x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 8 Filter King
Filter King
$50.40
16X25x1 Air Filter (6 Pack) / HVAC Pleated A/C Furnace Filter MERV 11 Filter King
Filter King
42
$50.40
16X25x1 Air Filter (6 Pack) / HVAC Pleated A/C Furnace Filter MERV 11 Filter King
Filter King
42
$100.68
20X34x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 13 Filter King
Filter King
4
$100.68
20X34x1 Air Filter (4 Pack) / HVAC Pleated A/C Furnace Filter MERV 13 Filter King
Filter King
4
$76.20
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
Amazon.com
928
Free shipping
$76.20
Filterbuy 20X25x4 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made In USA
Amazon.com
928
$77.16
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
100
Free shipping
$77.16
Filterbuy 21X21x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement For Rheem,
Amazon.com
100
$170.08
Goodman-Amana 0160M00017 Merv 15 Replacement Filter For Dv15-2817-Fb, 0160M00017 | Supplyhouse.Com
SupplyHouse.com
$170.08
Goodman-Amana 0160M00017 Merv 15 Replacement Filter For Dv15-2817-Fb, 0160M00017 | Supplyhouse.Com
SupplyHouse.com
$112.00
Aprilaire Stock 413 Merv 13 Filter Media Box Of 2
Shorty's HVAC Supplies
5
$112.00
Aprilaire Stock 413 Merv 13 Filter Media Box Of 2
Shorty's HVAC Supplies
5
$94.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
682
Free shipping
$94.96
Filterbuy 20X25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters For Honeywell FC100A1037, Lennox X6673,
Amazon.com
682
$104.00
Aprilaire 210 Air Filter 2 Pack
Shorty's HVAC Supplies
$104.00
Aprilaire 210 Air Filter 2 Pack
Shorty's HVAC Supplies
$101.00
Aprilaire Air Filter Stock 410 2 Pack
Shorty's HVAC Supplies
1
$101.00
Aprilaire Air Filter Stock 410 2 Pack
Shorty's HVAC Supplies
1
$109.90
$123.69
AC1 Generalaire MERV 11 Replacement Air Filter By Generalaire, 2 Pk | Furnace & AC Filter | Pleated
Discount Filters
11% off
$109.90
$123.69
AC1 Generalaire MERV 11 Replacement Air Filter By Generalaire, 2 Pk | Furnace & AC Filter | Pleated
Discount Filters
$44.95
Lennox Healthy Climate 20X25x5 X6673 Merv 11 Box Filter
Walmart
4
Free shipping
$44.95
Lennox Healthy Climate 20X25x5 X6673 Merv 11 Box Filter
Walmart
4
$181.27
Modine HVAC 27X30x2 Geothermal Filter Compatible Replacement
AllFilters.com
Free shipping
$181.27
Modine HVAC 27X30x2 Geothermal Filter Compatible Replacement
AllFilters.com
Free shipping
$109.32
Grainger Non-Pleated Air Filter: 17X18x1 Nominal Filter Size, Fiberglass, Chipboard, 1 in Nominal Dp Model: 10055.011718
Grainger
$109.32
Grainger Non-Pleated Air Filter: 17X18x1 Nominal Filter Size, Fiberglass, Chipboard, 1 in Nominal Dp Model: 10055.011718
Grainger
$62.95
$76.95
16X25x4 MERV 10 Replacement Air Filter By Bryant/Carrier, 1 Pk | Furnace & AC Filter | Pleated
Discount Filters
18% off
$62.95
$76.95
16X25x4 MERV 10 Replacement Air Filter By Bryant/Carrier, 1 Pk | Furnace & AC Filter | Pleated
Discount Filters