Top 10 A/c Filters 18x24x1 – Furnace Filters

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1. Filtrete

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White, AC Furnace Air Filter, Filtrete BD21-6PK-1E , MPR 300, Clean Living Basic Dust, 6-Pack exact dimensions 17.81 x 23.81 x 0.81

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Filtrete #ad - Lasts up to 3 months. Electrostatically charged fibers attracts and capture large airborne allergens like: Pollen, Household Dust, Lint. Microparticle performance rating MPR 300 equates to Minimum Efficiency Reporting Value MERV 5. Packaging and filter media may vary for MPR 300 . Ideal for high-velocity heating and cooling systems.
BrandFiltrete #ad
Manufacturer3M #ad
Height17.81 Inches
Length23.81 Inches
Width0.81 Inches
Part NumberMPR 300
ModelBD21-6PK-1E

2. Filtrete

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2-Pack exact dimensions 17.81 x 23.81 x 0.78, Filtrete 18x24x1, AC Furnace Air Filter, MPR 1900, Healthy Living Ultimate Allergen

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Filtrete #ad - Thick air filters. Attracts and captures microscopic particles such as smoke, including lint, cough and sneeze debris, bacteria and viruses--and large particles, household dust and pollen. Find your size: 1900 mpr available in 4 in.

4 in. The higher the mpr, pet dander, smoke, the more microparticles--such as pollen, bacteria and viruses--your filter will capture from the air passing through it. Sign-up for a filter change reminder program that works for you! Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. Filters. Certified as asthma & allergy friendly As outlined in report ASCR: 1246-01. And 5in.

Home air filters for your furnace, air conditioner or HVAC system. 62% small particle capture, like bacteria and particles that carry viruses % captured is based on ASHRAE 52. 2 testing for 03 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing. Slim fit and 5 in. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy.
BrandFiltrete #ad
Manufacturer3M #ad
Height17.81 Inches
Length23.81 Inches
Width0.78 Inches
Part NumberUT21-2PK-6E
ModelUT21-2PK-6E
WarrantyLimited Warranty

3. Filtrete

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Filtrete 18x24x1, Healthy Living Ultra Allergen, AC Furnace Air Filter, MPR 1500, 2-Pack exact dimensions 17.81 x 23.81 x 0.78

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Filtrete #ad - Designed with filtrete brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through. Captures microscopic particles including: smoke, and large particles like lint, cough/sneeze debris, bacteria, viruses, dust and pollen.

Electrostatically charged to attract and capture microscopic airborne particles. Helps promote a healthy home by reducing airborne dust, allergens, bacteria & viruses. Lasts up to 3 months. Carries a 1500 microparticle Performance Rating MPR. Electrostatic air filter with Microparticle Performance Rating 15004x better small bacteria and virus capture {Refers to bacteria and viruses that are less than 1 micron in size}. 3 times better at small particle capture compared to non-electrostatic pleated filters for the capture of 03 to 1. 0 micron particles.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height17.81 inches
Length19.81 inches
Weight1.3 Pounds
Width0.78 inches
Part NumberUR21-2PK-6E
ModelUR21-2PK-1E
WarrantyAs labelled

4. Nordic Pure

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Nordic Pure 18x24x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

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Nordic Pure #ad - Hypoallergenic and antimicrobial pleated electrostatic filter material. Made in the USA. Nominal size: 18 x 24 x 1, actual size: 17 1/2 x 23 1/2 x 3/4 17. 5 x 23. 5 x 075. Attracts indoor allergens, dust, pollen and other airborne contaminants. Nordic pure recommends changing 1” air filters every 30-90 days.
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height24 Inches
Length18 Inches
Weight4.41 Pounds
Width1 Inches
Part Number18x24x1M12-6
Model18x24x1
WarrantyPlease Contact the seller directly for warranty information about this product

5. FilterBuy

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Silver, FilterBuy 18x24x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters 4-Pack

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FilterBuy #ad - All components are manufactured within the United States and designed with recyclable materials. 18x24x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size: 17.

38 x 23. 38 x 075 inches. Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs. High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models. Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.38 Inches
Width23.38 Inches
Part NumberAFB18x24x1M8pk4
ModelAFB18x24x1M8pk4

6. FilterBuy

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Silver, FilterBuy 18x24x1 Air Filter MERV 8, Pleated HVAC AC Furnace Filters 3-Pack

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FilterBuy #ad - 18x24x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size: 17. 38 x 23. 38 x 075 inches. All components are manufactured within the United States and designed with recyclable materials.

High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models. Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow. Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.38 Inches
Weight2.25 Pounds
Width23.38 Inches
Part NumberAFB18x24x1M8pk3
ModelAFB18x24x1M8pk3

7. Flanders

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Flanders PrecisionAire 84858.011824 18 by 24 by 1 NaturalAire Standard Pleat Air Filter, 12-Pack

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Flanders #ad - Each filter maintains efficiency for up to 90 days. Pack of 12 quality filters designed for protection of furnace and central air units. Compatible with hvac systems requiring filters sized 18" x 24". Pleated media provides large surface area for more effective filtration while keeping airflow resistance low. Merv 8 rating: removes household dust, pollen, dirt, mold spores and more. Experience the clean air difference.
BrandFlanders #ad
ManufacturerFlanders Corporation #ad
Height24 Inches
Length18 Inches
Width1 Inches
Part Number84858.011824
Model84858.011824

8. Filtrete

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Healthy Living Ultra Allergen, Filtrete 18x24x1, AC Furnace Air Filter, 4-Pack exact dimensions 17.81 x 23.81 x 0.78, MPR 1500

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Filtrete #ad - For optimal performance of your heating & cooling system or hvac system, change your home air filter at least every 90 days for 1in. When the lifespan is up, then choose 30, you’ll get a notification to change your filter. Simply use the app to scan the barcode on your filter’s packaging, 60 or 90 days for your replacement countdown.

Home air filters for your furnace, air conditioner or HVAC system. 1500 mpr has a rating of MERV 12. Find your size: 1500 mpr available in 4 in. 4 in. Slim fit and 5 in. Designed with exclusive filtrete brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through. 54% small particle capture, like bacteria and particles that carry viruses % captured is based on ASHRAE 52.

2 testing for 03 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing. Attracts and captures microscopic particles such as smoke, cough and sneeze debris, including lint, bacteria and viruses - and large particles, household dust and pollen. Thick air filters. Filters. Outperforms fiberglass, washable and non-electrostatic 3-month pleated 1 in.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height17.81 Inches
Length23.81 Inches
Width0.78 Inches
Part Number2021-4PK
Model2021-4PK
WarrantyCall 1-800-494-3552 for warranty questions

9. FilterBuy

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Pleated HVAC AC Furnace Filters 6-Pack, Silver, FilterBuy 18x24x1 Air Filter MERV 8

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FilterBuy #ad - High-quality construction features an electrostatically charged, pleated design that captures more harmful particles and prolongs the products lifespan by 3 times that of fiberglass models.

All components are manufactured within the United States and designed with recyclable materials. Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs. 18x24x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size: 17. 38 x 23. 38 x 075 inches. Merv 8 synthetic media comparable with mpr 600 & FPR 5 protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.38 Inches
Width23.38 Inches
Part NumberAFB18x24x1M8pk6
ModelAFB18x24x1M8pk6

10. Aerostar

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18x24x1, Made in The USA, Box of 6, Pleated Air Filter, Aerostar 18x24x1 MERV 11

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Aerostar #ad - Change frequency 60-90 days, Made in the USA. Comparable to mpr 1000 to 1200 Micro Allergen Defense. Comparable to honeywell Allergen Plus FPR 7. Designed to filter microscopic particles such as lint, spores, dust mites, dust, pollen, pet dander, and smoke. Nominal: 18 x 24 x 1, size: 17 1/2"x23 1/2"x3/4" 18x24x1, AC Furnace Air Filter.
BrandAerostar #ad
ManufacturerFiltration Group #ad
Height1 Inches
Length18 Inches
Width24 Inches
Part Number18x24x1 MERV 11