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Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 15.719 x 24.72 x 0.84 in)Free ShippingFiltrete 
Filtrete 16x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 15.69x24.69x0.81 in)Free ShippingFiltrete
PERMANENT WASHABLE ELECTROSTATIC FURNACE AC AIR FILTER Dust Electronic
SDRZJX 2-Pack MERV 8 Washable Air Filter Kit 10-3/4 X 8-3/4 Inch Compatible with Broan Nutone AI Series Ventilators B110H65RS B110H65RT Replace#: SV66133Free ShippingSDRZJX- Best Value
Ventaerex AC Air Furnace Filters - Cut to Fit - Washable Filters 
Simply 16x25x1 Air Filter, MERV 8, MPR 600, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy ControlFree ShippingSimply
Filtrete 16x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size15.69x19.69x0.81 in)Free ShippingFiltrete-
Aerostar 19 7/8 x 21 1/2x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6
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Filtrete 20x25x5 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (actual size 19.63 x 24.75 x 4.31 in)Free ShippingFiltrete
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Aerostar 18x18x1 MERV 6 Pleated Air Filter, AC Furnace Air Filter, 6 Pack
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Filtrete 16x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox & Honeywell Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.88x24.56x4.31 in)Free ShippingFiltrete
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Filtrete 20x20x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.719 x 19.719 x 0.84 in)Free ShippingFiltrete
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1 PACK or 3 PACK - Air Filter Standard Pleated FPR 5 Dust Filters Furnace AC
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Filtrete 20x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 19.688 x 24.688 x 0.84 in)Free ShippingFiltrete
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(2 PACK) MERV-13 Furnace Air Filters Replacement Compatible with AprilAire 213
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Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 15.69 x 24.69 x 0.81 in)Free ShippingFiltrete
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FILTRETE- AIR-FILTER PLEATED FURNACE REPLACEMENT PAD DUST PACK 3, 6, 12 NEW
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Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4 Pack (Actual Size 15.69 x 24.69 x 0.81 in)Free ShippingFiltrete
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Filterbuy 16x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
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AprilAire 213 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 1)Free ShippingAprilaire
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Filterbuy 20x20x1 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
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Aerostar 16x25x1 MERV 8 - 6 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing PollenFree ShippingAerostar
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20 x 25 x 1 Standard Pleated Furnace Air Filter FPR5 MERV 8 (3-Pack) Replacement
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Filterbuy 20x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 19.50 x 24.50 x 0.75)Filterbuy
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20 x 20 x 1 Standard Pleated Air Filter FPR 5, 12-Pack, Air Filters Replacement
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AprilAire 413 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 16x25x4 Air Filter (Pack of 1)Free ShippingAprilaire
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Filterbuy 16x25x4 Pleated Air Filters, Replacement for HVAC AC Furnace (MERV 8)
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Filtrete 16x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.88x24.56x4.31 in)Free ShippingFiltrete
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Pleated Air Filters Replacement For Furnace. AC HVAC MERV 8 FPR 5 3-Pack New
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Lennox X6670 - (2-Pack) Healthy Climate 16" x 25" x 5" OEM HCF16-11 Air Filter, MERV 11Lennox
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(12 Filters) Flanders Precisionaire Nested Glass Air Filter 20" x 20" x 1" Green
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Filtrete 16x25x4 AC Furnace Air Filter, MPR 1000, MERV 11, Fits Lennox & Honeywell Devices, Allergen Defense, Electrostatic Air Cleaning Filter, 4-Pack (actual size 15.88 x 24.56 x 4.31)Free ShippingFiltrete
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20x20x1 MERV 10 Pleated Air Filters. 12 PACK. Actual Size: 19-1/2 x 19-1/2 x 7/8
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AprilAire 413 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 16x25x4 Air Filter (Pack of 2)Free ShippingAprilaire
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AprilAire 410 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 16x25x4 Air Filter (Pack of 1)Free ShippingAprilaire
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Amazon Basics 14x20x1 Air Filter 6 Pack, MERV 8 AC Furnace Filters (Actual Size: 13.75" x 19.75" x 0.75")Free ShippingAmazon Basics
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AprilAire 213 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 20x25x4 Air Filter (Pack of 2)Free ShippingAprilaire
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Filterbuy 20x25x5 Air Filter MERV 11 Superior Pet & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters for Honeywell FC100A1037, Lennox X6673, and More (Actual Size: 19.88 x 24.75 x 4.38)Filterbuy
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Filterbuy 16x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 0.75)Filterbuy
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Lennox X6673 Healthy Climate HCF20-11 MERV 11 Filter Media (2 Pack)Lennox
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AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 2)Free ShippingAprilaire
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Filterbuy 16x25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters for Honeywell FC100A1029, Lennox X6670, and More (Actual Size: 15.75 x 24.75 x 4.38)Filterbuy
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CoreCarbon 20x30x1 Cut To Fit Furnace & Air Conditioner Washable Reusable High Air Flow Polyester Fiber Filter Media (20" x 30" x .75" actual)Free ShippingCoreCarbon
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Filtrete 14x25x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 13.81x24.81x0.81 in)Free ShippingFiltrete
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AprilAire 210 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 20x25x4 Air Filter (Pack of 1)Free ShippingAprilaire
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Filtrete 20x25x5 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Trion AirBear, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Cleaning Filter, 1-Pack (actual size 19.56 x 24.13 x 4.75)Free ShippingFiltrete
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Clean Comfort AMP-11-2025-45 (2-Pack) - 20" x 25" x 4.5" Media Air Filter, MERV 11Clean Comfort
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AprilAire 201 Replacement Furnace Filter for AprilAire or Space-Gard 2200 or 2250 Whole-House Air Purifiers - MERV 10, 20x25x6 Air Filter (Pack of 1)Free ShippingAprilaire
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Honeywell FC100A1029 (2 Pack) - 16" x 25" x 4" Pleated Air Filter, MERV 11 Bundle with Same Day Supply Filter Change ReminderHoneywell
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Nordic Pure 16x25x5 (15_3/4 x 24_3/4 x 4_3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 2 PackFree ShippingNordic Pure
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Lennox Healthy Climate Lennox X6672 16x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (2-Pack) 2 Count (Pack of 1)Lennox
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Filtrete 20x25x4 Furnace Air Filter MPR 1550 DP MERV 12 Slim Fit, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75)Filtrete
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20x25x4 Furnace Filters, FC100A1037 Filter Replacement, Merv 11 Filter Media with Homequip Disposal Bag (2 Pack)Homequip
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Honeywell FC100A1029 16 x 25 x 4 Media Air Filter (MERV 11)Honeywell
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Lennox X7935 20x20x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (1-Pack)Lennox
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Filtrete 20x25x4(SlimFit), AC Furnace Air Filter, MPR 1550 DP, Healthy Living Ultra Allergen Deep Pleat, 2-Pack, Fits Lennox & Honeywell Devices (exact dimensions 19.5 x 24.5 x 3.75)Filtrete
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Lennox X6670 MERV 11 Box Replacement Filter also for Honeywell, 16" H x 25" L x 5" W (3-Pack)HEALTHY CLIMATE
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Nordic Pure 16x25x4 (15_1/2 x 24_1/2 x 3_5/8) Pleated MERV 12 Air Filters 2 PackFree ShippingNordic Pure
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Honeywell Home 20x25x4 MERV 12, AC Furnace Air Filter, 3 PACK (CF200A1016-3PKAM) (Actual Dimensions: 19.9 x 24.9 x 4.38 in.)Free ShippingHoneywell Home
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CoreCarbon Natural Fiber Hog Hair Furnace Door Filter for Mobile, Manufactured and Modular Homes (19-1/2 x 28)Free ShippingCoreCarbon
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Trion Air Bear 255649-102 (2-Pack) - 20" x 25" x 5" Pleated Air Filter, MERV 8Trion
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Lennox X6673 MERV 11 Filter Media 25 x 20 x 5 InchLennox
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Honeywell 16x20x4 AC Furnace Air Filter Replacement - FC100A1003 HVAC Furnace Filters Merv 11 Filter Media, AC Filter with Homequip Disposal Bag, 2-Pack (Actual Size: 15.94 x 19.75 x 4.38 Inches)Honeywell
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Honeywell FC100A1037-5 20" x 25" Merv 11 Filter Media (Pack of 5)Honeywell
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Aerostar 16x25x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing PollenFree ShippingAerostar
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Aerostar 16x25x1 MERV 8 - 4 Count - High Efficiency Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold & Allergy-Causing PollenFree ShippingAerostar
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Clean Comfort AMP-11-1625-45 (2-Pack) - 16" x 25" x 4.5" Media Air Filter, MERV 11Clean Comfort
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Filtrete 20x25x5 AC Furnace Air Filter, MPR 700, MERV 8, Fits Trion Air Bear & Carrier, Dust, Pollen & Pet Dander Reduction, 2-Pack (actual size 19.56 x 24.13 x 4.75 in)Free ShippingFiltrete
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Trion Air Bear 255649-105 (2-Pack) – 16” x 25” x 5” Pleated Air Filter, MERV 8Air Bear
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Filterbuy 16x20x4 Air Filter MERV 8 Essential Dust & Allergy Defense (2-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 19.50 x 3.63)Filterbuy
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Honeywell Home 16x25x4 MERV 8, AC Furnace Air Filter, 3 PACK (CF408F1625-3PKAM) (Actual Dimensions: 15.63 x 24.75 x 4.38 in.)Free ShippingHoneywell Home
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Filtrete 16x25x4 AC Furnace Air Filter, MPR 1550, MERV 12, Fits Lennox & Honeywell, CERTIFIED Asthma & Allergy Friendly, Electrostatic Air Cleaning Filter, 4-Pack (actual size 15.88 x 24.56 x 4.31)Free ShippingFiltrete
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AprilAire 501 Replacement Filter for AprilAire 5000 Whole-House Air Purifier - MERV 15 Equivalent, 16x25x6 Air Filter (Pack of 1)Free ShippingAprilaire
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Lennox Carbon Coated X6672 Healthy Climate MERV 16 Filter (2 Pack)Lennox
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X6670 Lennox OEM Merv 11 Filter Media 16"X25"X5" Fits X6660 HCC16-28 Genuine Lennox X6670 (2 X Pack of 2)Lennox
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Nordic Pure 20x25x4 (19_1/2 x 24_1/2 x 3_5/8) Pleated MERV 12 Air Filters 2 PackFree ShippingNordic Pure
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Trion 3 Pack Pleated Air Filter, Air Bear MERV 11 for HVAC/Furnace, 20x25x5 in.Trion
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Filtrete 16x25x1 AC Furnace Air Filter, MERV 8, MPR 700, Tough on Pollen, Easy on Airflow, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 4-Pack (Actual Size 15.69 x 24.69 x 1.56 in)Free ShippingFiltrete
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Nordic Pure 20x25x5 (19_7/8 x 24_7/8 x 4_3/8) Honeywell/Lennox Replacement MERV 12 Air Filters 2 PackFree ShippingNordic Pure
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Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 15.69 x 24.69 x 0.81 in)Free ShippingFiltrete
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Honeywell Home 20x25x4 MERV 8, AC Furnace Air Filter, 3 PACK (CF100A1025-3PKAM) (Actual Dimensions: 19.94 x 24.87 x 4.38 in.)Free ShippingHoneywell Home
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Lennox Carbon Coated X6672 Healthy Climate MERV 16 FilterHealthy Climate
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M8-1056 20x25x5 (Actual Size: 20-1/4 x 25-3/8 x 5-1/4) Amana & Five Seasons MERV 11 Media Filter (3 Pack)Goodman
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Honeywell Home 16x25x4 MERV 8, AC Furnace Air Filter, 1 PACK (CF408F1625-1PKAM)(Actual Dimensions: 15.63 x 24.75 x 4.38 in.) 1 FilterFree ShippingHoneywell Home
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True Blue Replacement Air Filter for Aprilaire 2200 Series Air Cleaner,MERV 13Free ShippingTrue Blue
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Trion 255649-102 Air Bear 20 x 25 x 5 Inch MERV 8 High Performance Air Purifier Filter Replacement for Air Bear Supreme, Right Angle, and Cub Air Cleaner Purification Systems (3 Pack)Trion
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Lennox Model X0585 Air Cleaner Filter Media - 20 x 20 x 5Lennox
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Filterbuy 16x25x5 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Pleated HVAC AC Furnace Filters for Honeywell FC100A1029, Lennox X6670, and More (Actual Size: 15.75 x 24.75 x 4.38)Filterbuy
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AprilAire 213CBN Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13 with Carbon, Healthy Home Allergy + Odor Reduction, 20x25x4 Air Filter (Pack of 2)Free ShippingAprilaire
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AprilAire 313 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 13, Healthy Home Allergy, 20x20x4 Air Filter (Pack of 1)Free ShippingAprilaire
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3 Trion Air Bear 20x25x5 Genuine Air Cleaner FiltersTrion
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BestAir HW1625-11R AC Furnace Air Filter, 16" x 25" x 4", MERV 11, Removes Allergens & Contaminants, Fits 100%, For Honeywell Models, Pack of 3Free ShippingBestAir
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AprilAire 216 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 16, Allergy, Asthma, & Virus, 20x25x4 Air Filter (Pack of 1)Free ShippingAprilaire
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Nordic Pure 16x25x2 (15 1/2 x 24 1/2 x 1 3/4) Pleated MERV 12 Air Filters 3 PackFree ShippingNordic Pure
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Filtrete ADP01-2PK-2 16x25x4 AC Furnace Air Filter, MPR 1000, Fits Honeywell and Lennox Devices, Micro Allergen Defense Deep Pleat, 2-Pack (Actual Dimensions 15.88 x 24.56 x 4.31), 2 CountFiltrete
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AprilAire 416 Replacement Filter for AprilAire Whole House Air Purifiers - MERV 16, Allergy, Asthma, & Virus, 16x25x4 Air Filter (Pack of 1)Free ShippingAprilaire
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Honeywell FC100A1011 20 x 20 x 4 replacement media air furnace filterHoneywell Home
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Filterbuy 20x25x5 Air Filter MERV 13 Optimal Smoke & Allergy Defense (2-Pack), Pleated HVAC AC Furnace Filters for Honeywell FC100A1037, Lennox X6673, and More (Actual Size: 19.88 x 24.75 x 4.38)Filterbuy
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Lennox Healthy Climate Lennox X6675 20x25x5 Healthy Climate Carbon-Clean MERV 16 Filter Bundle with Same Day Supply Filter Change Reminder Magnet (1-Pack)Lennox
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GeneralAire Pleated Media filter 12758 General 3-PACK SPECIAL-For AC-1, #4001GeneralAire
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AprilAire 401 Replacement Furnace Filter for AprilAire 2400, Space-Gard 2400 Whole-House Air Purifiers - MERV 10, 16x25x6 Air Filter (Pack of 1)Free ShippingAprilaire
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Furnace Filters 16x25x4 - HVAC Air Filter Replacement FC100A1029 Merv 11 with Homequip Easy Disposal Bag (2 Pack)Homequip
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Aerostar 16x25x4 MERV 11 - 6 Count - Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Lint, Mold, Pet Dander, Allergy-Causing Pollen, Smog & Smoke, Actual size: 15 1/2"x24 1/2"x3 3/4"Free ShippingAerostar
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Aerostar 16x25x3 MERV 11 - 3 Count - Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Cold & Flu Germs, Lint, Mold, Pet Dander, Allergy-Causing Pollen, Smog & SmokeFree ShippingAerostar
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259112-105 16x25x5 Trion Air Bear Supreme 1400 MERV 11 Media FilterTrion
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GeneralAire # 4541 MERV 11 for # GF 4511 ReservePro 16x25x5 furnace filter, Actual Size:15 5/8" x 24 3/16" x 4 15/16" Case of 3 Filters- MEASURE CAREFULLY BEFORE ORDERING !GeneralAire
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Filterbuy 16x25x1 Air Filter MERV 13 Optimal Smoke & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 0.75)Filterbuy
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Genuine M1-1056 Size 16" x 25" x 5" (Actual Size: 15 3/8" x 25 1/2" x 5 1/4") MERV 11 PACK OF 2 FILTERS…Goodman
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Genuine Carrier Part # GAPCCCAR1625 Size 24 1/2 x 17 1/16 x 3 9/16 MERV 15 by CarrierFree ShippingCarrier
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Filtrete 16x25x1 Air Filter, MPR 2800, MERV 14, Healthy Living Ultrafine Particle Reduction 3-Month Pleated 1-Inch Air Filters, 2 Filters, WhiteFree ShippingFiltrete
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Nordic Pure 16x25x1 (15 1/2 x 24 1/2 x 3/4) Pleated MERV 12 Air Filters 6 PackFree ShippingNordic Pure
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Filtrete 16x20x1 AC Furnace Air Filter, MERV 13, MPR 1900, Premium Allergen, Bacteria&Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.719x19.719x0.78 in)Filtrete
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Trion Air Bear 259112-102 (2-Pack) – 20” x 25” x 5” Pleated Air Filter, MERV 11Trion
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Aerostar 20x25x1 MERV 11 - 6 Count - Pleated HVAC, Furnace & Air Conditioner Filters - Removes Dust, Cold & Flu Germs, Lint, Mold, Pet Dander, Allergy-Causing Pollen, Smog & SmokeFree ShippingAerostar
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Filtrete 20x25x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 19.719x24.688x0.78 in)Free ShippingFiltrete
115 Furnace Filters deals are available from:
Amazon, eBay stores, starting from $15.45.
The biggest discount we found is 10%% on Filtrete 16x25x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2 Pack (Actual Size 15.719 x 24.72 x 0.84 in) at Amazon.
The lowest price we found is $15.45 while the highest is $186.99.
Prices for the best Furnace Filters deals average at $64.73.
Last updated on December 16, 2025.
We scanned these quality online stores and more to deliver you with the best offers online available for Furnace Filters.