Top 10 18 x 18 x 1 Air Filter – Furnace Filters

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1. Filtrete

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6-Pack exact dimensions 17.81 x 17.81 x 0.81, MPR 300, Clean Living Basic Dust, AC Furnace Air Filter, Filtrete 18x18x1

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Filtrete #ad - For optimum performance, change your home air filter every 90 days or sooner. For residential use only. Filtrete 300 mpr microparticle Performance Rating equates to MERV 5. A dirty filter will slow down air flow and make the system work harder to keep you warm or cool - wasting energy.

The higher the mpr, pet dander, the more microparticles - such as pollen, smoke, bacteria and viruses - your filter will capture from the air passing through it. Exclusive filtrete brand 3-in-1 technology from 3M traps unwanted air particles, while letting cleaner air flow through.

Sign-up for a filter change reminder program that works for you! Packaging and filter media may vary for MPR 300 Outperforms fiberglass, air conditioner, washable and non-electrostatic 3-month pleated 1" air filters for your furnace, or HVAC system. Attracts and captures large particles such as lint, household dust, dust mite debris and mold spores.
BrandFiltrete #ad
ManufacturerFiltrete #ad
Height17.81 Inches
Length17.81 Inches
Weight0.72 Pounds
Width0.81 Inches
Part NumberMPR 300
ModelBD17-6PK-2E

2. Aerostar

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Aerostar 18x18x1 MERV 13 Pleated Air Filter, AC Furnace Air Filter, 6-Pack Actual Size: 17 3/4" x 17 3/4" x 3/4"

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Aerostar #ad - Aerostar filters are a simple to install and cost-effective step towards a healthier home environment. Superior filtration efficiency - Aerostar filters are made with electrostatically charged synthetic material.

For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest. Made in the usa - aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications.

Check your fit - nominal size: 18x18x1; actual size: 17 3/4"x17 3/4"x3/4"; this MERV 13 filter is comparable with MPR 1500-1900 & FPR 10 . High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home.
BrandAerostar #ad
ManufacturerFiltration Group (Environmental Air) #ad
Height1 Inches
Length18 Inches
Width18 Inches
Part Number25S.011818-6
Model18x18x1 MERV 13

3. Aerostar

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Aerostar Clean House 18x18x1 MERV 8 Pleated Air Filter, Actual Size: 17 3/4"x17 3/4"x3/4", 6-Pack,White, Made in the USA

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Aerostar #ad - Made in the usa - aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications. High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance.

Check your fit - nominal size: 18x18x1; actual size: 17 3/4"x17 3/4"x3/4"; This MERV 8 filter is comparable with MPR 600 & FPR 5. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest. Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, mold spores, pollen, dust mites, pet dander, and dust.

Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms. Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home.
BrandAerostar #ad
ManufacturerFiltration Group #ad
Height1 Inches
Length18 Inches
Weight2.95 Pounds
Width18 Inches
Part Number18x18x1 MERV 8
Model18x18x1 MERV 8

4. FilterBuy

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Silver, Pleated HVAC AC Furnace Filters 2-Pack, FilterBuy 18x18x1 Air Filter MERV 8

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FilterBuy #ad - Merv 8 synthetic media 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. All components are manufactured within the United States and designed with recyclable materials. 18x18x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size: 17. 75 x 17. 75 x 075 inches. Electrostatically charged, pleated filters capture more harmful particles and last 3x longer than fiberglass models.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.75 Inches
Width17.75 Inches
Part NumberAFB18x18x1M8pk2
ModelAFB18x18x1M8pk2

5. FilterBuy

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Pleated HVAC AC Furnace Filters 4-Pack, FilterBuy 18x18x1 Air Filter MERV 8, Silver

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FilterBuy #ad - Electrostatically charged, pleated filters capture more harmful particles and last 3x longer than fiberglass models. All components are manufactured within the United States and designed with recyclable materials. Merv 8 synthetic media 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. 18x18x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size: 17. 75 x 17. 75 x 075 inches.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height0.75 Inches
Length17.75 Inches
Width17.75 Inches
Part NumberAFB18x18x1M8pk4
ModelAFB18x18x1M8pk4

6. Nordic Pure

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Nordic Pure 18x18x1 MERV 12 Pleated AC Furnace Air Filters 6 Pack

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Nordic Pure #ad - Nordic pure merv 12 and fpr 9 is equivalent to MPR 1500-1900, ideal for normal filtration and helping those with mild allergies. 75. Lasts up to 3 months, depending on your unique home or office environment. 75 x 17. Merv 12 media is ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Nominal size: 18 x 18 x 1, actual size: 17 3/4 x 17 3/4 x 3/4 17. Made in the USA. 75 x 0 .
BrandNordic Pure #ad
ManufacturerNordic Pure #ad
Height18 Inches
Length18 Inches
Weight4.41 Pounds
Width1 Inches
Part Number18x18x1M12-6
Model18x18x1

7. AIRX FILTERS WICKED CLEAN AIR.

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AIRx ALLERGY 18x20x1 MERV 11 Pleated Air Filter, Made in the USA, Box of 6

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AIRX FILTERS WICKED CLEAN AIR. #ad - Made in USA. Compare to 3m filtrete micro particle MPR800 and Filtrete allergen MPR1200 filters. More pleats than most retail air filters - better energy efficiency and captures more particles. Merv 11 furnace filter premium pleated filter, actual size 17. 5" x 19. 5" x. 75". Traps mold, pet dander, smoke particles, pollen and dust mite debris for allergen protection.
BrandAIRX FILTERS WICKED CLEAN AIR. #ad
ManufacturerAiRx #ad
Height0.75 Inches
Length17.5 Inches
Weight0.58 Pounds
Width19.5 Inches
Part NumberALLERGY-182001-6
ModelALLERGY-182001-6
Warranty1 year manufacturer

8. Flanders

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E-Z flow II 18x18x1 Air Filter

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Flanders #ad - Flat Panel. Ez flow ii spun fiberglass Disposable Furnace Filter. No metal Media Retainers. 30 day Filter. No metal Media Retainers.
BrandFlanders #ad
ManufacturerFlanders-Precisionaire #ad
Height1 Inches
Length18 Inches
Width18 Inches
Part Number10055-011818
ModelTRVAL54538

9. Aerostar Pleated Air Filter, MERV 11, 18x18x1 (Pack of 4)

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Aerostar Allergen & Pet Dander 18x18x1 MERV 11 Pleated Air Filter, Actual Size: 17 3/4"x17 3/4"x3/4", Made in The USA, 4-Pack

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Aerostar Pleated Air Filter, MERV 11, 18x18x1 (Pack of 4) #ad - Aerostar filters are a simple to install and cost-effective step towards a healthier home environment, free of airborne allergens and particles that can trigger various allergy and asthma symptoms. For best results, change your filters every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.

High performing - 100% synthetic electrostatic media for high efficiency with low air flow resistance. Improve indoor air quality - protect your family and loved ones with clean indoor air quality at home. Superior filtration efficiency - aerostar filters are made with electrostatically charged synthetic material that draws and captures allergens including lint, pollen, pet dander, dust mites, mold spores, and dust.

Made in the usa - aerostar filters are manufactured in the USA by Filtration Group, a world-leading manufacturer and supplier of filtration solutions for residential, commercial and industrial applications. Check your fit - nominal size: 18x18x1; actual size: 17 3/4"x17 3/4"x3/4"; this MERV 11 filter is comparable with MPR 1000-1200 & FPR 7.
BrandAerostar Pleated Air Filter, MERV 11, 18x18x1 (Pack of 4) #ad
ManufacturerFiltration Group #ad
Height0.75 Inches
Length17.75 Inches
Width17.75 Inches
Part Number18x18x1 MERV 11
Model18x18x1 MERV 11

10. FilterBuy

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Pleated HVAC AC Furnace Filters 2-Pack, Silver, FilterBuy 12x18x1 Air Filter MERV 8

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FilterBuy #ad - 12x18x1 replacement air filters for your furnace, air conditioner, or HVAC system actual size: 11. 50 x 17. 50 x 1. 00 inches. Merv 8 synthetic media protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow. All components are manufactured within the United States and designed with recyclable materials. Electrostatically charged, pleated filters capture more harmful particles and last 3x longer than fiberglass models. Industrial-grade beverage board frames with dual wire backings outperform standard cardboard designs.
BrandFilterBuy #ad
ManufacturerFilterBuy #ad
Height1 Inches
Length11.5 Inches
Width17.5 Inches
Part NumberAFB12x18x1M8pk2
ModelAFB12x18x1M8pk2