We use cookies to enhance the security, performance, functionality and for analytical and promotional activities. We use cookies to personalize ads for you. By continuing to browse this site you're agreeing to our Privacy PolicyWe use cookies to enhance your experience and personalize ads. By using the site, you agree to that. Privacy Policy

10 bestAc Filtersof May 2025

112M consumers helped this year.

1

Filtrete 20x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.81 x 29.81 x 0.81 in)

Filtrete 20x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.81 x 29.81 x 0.81 in)

Filtrete 20x30x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 19.81 x 29.81 x 0.81 in)

Filtrete

9.9

Buy it on Amazon

2

Honeywell HRF-R2E True-HEPA Filter Compatible with HPA100WE Air Purifier

Honeywell HRF-R2E True-HEPA Filter Compatible with HPA100WE Air Purifier

Honeywell HRF-R2E True-HEPA Filter Compatible with HPA100WE Air Purifier

Honeywell

9.8

Buy it on Amazon

3

Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.69x19.69x0.81 in)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.69x19.69x0.81 in)

Filtrete 20x20x1 AC Furnace Air Filter, MERV 5, MPR 300, Capture Unwanted Particles, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size19.69x19.69x0.81 in)

Filtrete

9.7

Buy it on Amazon

4

Filtrete 16x25x1 AC Furnace Air Filter, MERV 13, MPR 2200, Elite Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.69x24.69x0.78 in)

Filtrete 16x25x1 AC Furnace Air Filter, MERV 13, MPR 2200, Elite Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.69x24.69x0.78 in)

Filtrete 16x25x1 AC Furnace Air Filter, MERV 13, MPR 2200, Elite Allergen, Bacteria & Virus Filter, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 2-Pack (Actual Size 15.69x24.69x0.78 in)

Filtrete

9.5

Buy it on Amazon

5

Filtrete 12x24x1, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 2-Pack (exact dimensions 11.69 x 23.69 x 0.78)

Filtrete 12x24x1, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 2-Pack (exact dimensions 11.69 x 23.69 x 0.78)

Filtrete 12x24x1, AC Furnace Air Filter, MPR 2200, Healthy Living Elite Allergen, 2-Pack (exact dimensions 11.69 x 23.69 x 0.78)

Filtrete

9.4

Buy it on Amazon

OtherRelated productsUp to 11% off

Honeywell Household Odor & Gas Reducing Pre-filter, 2 Pack, Black

Honeywell Household Odor & Gas Reducing Pre-filter, 2 Pack, Black

PUR Honeywell Premium Odor-Reducing Air Purifier Replacement Pre-Filter, HRF-APP1 / Filter (A+)

PUR Honeywell Premium Odor-Reducing Air Purifier Replacement Pre-Filter, HRF-APP1 / Filter (A+)

Honeywell Air Purifiers and Fans HRF-K2E K Replacement Air Purifier Pre-Filters Compatible with the Honeywell HFD323E Air Purifier Air Genius 5

Honeywell Air Purifiers and Fans HRF-K2E K Replacement Air Purifier Pre-Filters Compatible with the Honeywell HFD323E Air Purifier Air Genius 5

SaferCCTV HPA100 HEPA Premium Replacement Filters Compatible with Honeywell Air Purifier,2 HEPA Filters + 4 Precut Activated Carbon Pre-Filters,Replacement for Honeywell Part HRF-R1,HRF-R2,HRF-R3

SaferCCTV HPA100 HEPA Premium Replacement Filters Compatible with Honeywell Air Purifier,2 HEPA Filters + 4 Precut Activated Carbon Pre-Filters,Replacement for Honeywell Part HRF-R1,HRF-R2,HRF-R3

9% off

6

BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter,MADE IN USA,Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters, Bacteria, Smoke (Actual Size: 19 11/16’’x19 11/16’’x3/4‘’)

BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter,MADE IN USA,Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters, Bacteria, Smoke (Actual Size: 19 11/16’’x19 11/16’’x3/4‘’)

BNX TruFilter 20x20x1 MERV 13 (4-Pack) AC Furnace Air Filter,MADE IN USA,Electrostatic Pleated Air Conditioner HVAC AC Furnace Filters, Bacteria, Smoke (Actual Size: 19 11/16’’x19 11/16’’x3/4‘’)

BNX

9.2

Buy it on Amazon

7

Filtrete 14x25x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 13.81x24.81x0.78 in)

Filtrete 14x25x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 13.81x24.81x0.78 in)

Filtrete 14x25x1 AC Furnace Air Filter, MERV 12, MPR 1500, CERTIFIED asthma & allergy friendly, 3 Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6-Pack (Actual Size 13.81x24.81x0.78 in)

Filtrete

9.0

Buy it on Amazon

8

PUREBURG Replacement True HEPA Filter Compatible with 3M Filtrete ULTRA CLEAN Air Purifiers FAP01 and FAP02, Part Number FAPF01/FAPF02,H13 Air Clean Dust VOCs,1-Pack

PUREBURG Replacement True HEPA Filter Compatible with 3M Filtrete ULTRA CLEAN Air Purifiers FAP01 and FAP02, Part Number FAPF01/FAPF02,H13 Air Clean Dust VOCs,1-Pack

PUREBURG Replacement True HEPA Filter Compatible with 3M Filtrete ULTRA CLEAN Air Purifiers FAP01 and FAP02, Part Number FAPF01/FAPF02,H13 Air Clean Dust VOCs,1-Pack

PUREBURG

8.8

Buy it on Amazon

9

PUREBURG HPA830W Replacement True HEPA Filter Set Compatible with Honeywell HPA830 Series HEPA Air Purifier, HRFJ830 / Filter J

PUREBURG HPA830W Replacement True HEPA Filter Set Compatible with Honeywell HPA830 Series HEPA Air Purifier, HRFJ830 / Filter J

PUREBURG HPA830W Replacement True HEPA Filter Set Compatible with Honeywell HPA830 Series HEPA Air Purifier, HRFJ830 / Filter J

PUREBURG

8.6

Buy it on Amazon

10

Filtrete 12x20x1 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 11.81x19.81x0.78 in)

Filtrete 12x20x1 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 11.81x19.81x0.78 in)

Filtrete 12x20x1 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 11.81x19.81x0.78 in)

Filtrete

8.4

Buy it on Amazon

Related Reviews You Might Like

A C Filters

A C Filters