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Best Furnace Filters Deals Online in the US (10 deals found)

Last Updated - March 15, 2026 Sort By:

Best Choice

New
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)
MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 3-month pleated Filtrete 16x25x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment

$43.98 $59.75
Best Value

New
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)
MAKE YOUR HOME YOUR SANCTUARY: 4-pack of 3-month pleated Filtrete 16x25x1 MERV 11 MPR 1000 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment

$41.78 $59.75
New
Filterbuy 16x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 0.75)
UNIVERSAL COMPATIBILITY: 16x25x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 15.50" x 24.50" x 0.75")

$32.48
New
Filterbuy 16x25x1 Air Filter MERV 8 Essential Dust & Allergy Defense (4-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 15.50 x 24.50 x 0.75)
UNIVERSAL COMPATIBILITY: 16x25x1 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle (actual size: 15.50" x 24.50" x 0.75")

$30.86 $32.48
New
Simply 16x25x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control
Universally Compatible: Measuring 16" x 25" x 1", with an actual size of 15.75"x24.75" x 0.75", Simply Filters works with almost any brand. Comparable to 3M Filtrete MPR 600, Filterbuy AFB Silver, and Honey well FPR 5.

$41.97
New
Simply 16x25x1 Air Filter, MERV 8, 6 Pack, For Home AC Furnace & HVAC (Actual Size: 15.75"x24.75"x0.75") DUST, Pet, & Allergy Control
Universally Compatible: Measuring 16" x 25" x 1", with an actual size of 15.75"x24.75" x 0.75", Simply Filters works with almost any brand. Comparable to 3M Filtrete MPR 600, Filterbuy AFB Silver, and Honey well FPR 5.

$39.87 $41.97
New
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)
MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 16x25x1 MPR 300 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment

$39.97
New
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)
MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 16x25x1 MPR 300 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment

$37.97 $39.97
15% Off

New
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)
MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 16x20x1 MPR 300 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment

$33.84 $39.99
20% Off

New
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)
MAKE YOUR HOME YOUR SANCTUARY: 6-pack of 3-month pleated Filtrete 16x20x1 MPR 300 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment

$32.15 $39.99

10 Furnace Filters deals are available from: Amazon stores, starting from $30.86.
The biggest discount we found is 30% on 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) at Amazon.
The lowest price we found is $30.86 while the highest is $43.98.
Prices for the best Furnace Filters deals average at $37.49.
Last updated on March 15, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Furnace Filters.